the temperature has been dropping 2 1/2 degrees every hour and the current tempter is -15 degrees Ferin height how many hours ago was the temperature 0 degrees Ferin height

Answers

Answer 1

The number of hours ago was the temperature 0 degrees is 6 hours.

What is temperature?

Temperature simply means the degree if hotness and coldness in a body.

In this case, the temperature has been dropping 2 1/2 degrees every hour. Let the number of hours be h.

This will be illustrated as:

-15 = -2.5h

where h = number of hours

Divide

h = -15 / -2.5

h = 6

Therefore, the correct option is 6 hours.

Learn more about temperature on:

brainly.com/question/2474268

#SPJ1


Related Questions

Subtract -1 3/5 - (-2 7/8)

Answers

Answer:

Answer down below!

Step-by-step explanation:

Your answer would be 1 11/40

For the steps, refer to the image below!

Katie bought 4 sweaters that each cost the same amount and 1 skirt that cost 20$ . The items she bought cost a total of 160 before tax was added. What was the cost of each sweater?
A
$20\$ 20$20

Answers

Using simple linear equation we calculate the cost of a sweater as $35 .

A linear polynomial over a field, from which the coefficients are taken, can be equalised to zero to produce a linear equation.

The numbers that, when used to replace the unknowns in such an equation, result in the equality, are the solutions.There is just one possible answer when there is only one variable (providing that. The term "linear equation" frequently alludes indirectly to this specific situation, in which the variable is appropriately referred to as the "unknown."

Let the cost of each sweater be x.

Cost of the skirt = $20

Let us form a linear equation to calculate the required cost

4x + 20 = 160

solving we get :

x = 35

Therefore the cost of a skirt is $35.

To learn more about equations visit:

brainly.com/question/25678139

#SPJ1

George is building a fence. It takes him 1/2 an hour to build 1/3 of a section of a fence. At this rate, what fraction represents the section of fence George can build per hour? Express your answer as a fraction.​

Answers

Answer:

2/3

Step-by-step explanation:

If 1/3 rd of the fence can be built in 1/2 hr then in 1 hour which is 1/2 x 2 the fraction of the fence that can be built is 1/3 x 2 = 2/3

is m parallel to n. If so state the theorem you can use

Answers

Answer is Parallel Lines Theorem:

It says if two lines and a transversal form corresponding angles that are congruent (shown by the marks in the angles) then the lines are parallel. Thus m and n are parallel.

1.75 x 1.25 estimate

Answers

Answer:

2.1875

(in nearest hundredths it would be 2.19(rounded)

Convert the angle \theta=310^\circθ=310

theta, equals, 310, degrees to radians.

Answers

The degrees to radians conversion is given as 1° = π/180 radian thus the conversion of 310° is (31/18)π.

What is unit conversion?

To convert any unit into another is called a unit conversion.

In order to convert units, we need to care about their dimensions their dimension should not be changed.

It is known that π radian = 180°.

1° = (π/180) radian.

Multiply both sides by 310

310° = (π/180)310

310° = (31/18)π

Hence "The degrees to radians conversion is given as 1° = π/180 radian thus the conversion of 310° is (31/18)π".

To learn more about unit conversion,

brainly.com/question/11543684

#SPJ1  

All men are mortal. Joe is a man. Therefore Joe is mortal. If the first two statementsare true, then the conclusion must be true.

Answers

Answer:

Step-by-step explanation:

Yes

customers send emails to a help desk of an online retailer every 2 minutes, on average, and the standard deviation of the inter-arrival time is also 2 minutes. the online retailer has three employees answering emails. it takes 4 minutes to write a response email, on average. the standard deviation of the service times is 2 minutes. this is a g/g/k queue. what is the arrival rate? what is the service rate?

Answers

The arrival rate is found to be 30 emails per hour and the service rate is calculated to be 45 emails per hour.

It has been mentioned in the question that in every 2 minutes, customers send emails to a help desk of an online retailer, on an average, and the standard deviation of the inter-arrival time is also given to be 2 minutes. The online retailer has three employees for answering those emails.

It takes almost 4 minutes to write a response email to the customer, on average. The standard deviation (SD) of the service times is 2 minutes. This is a g/g/k type queue.

Therefore the arrival rate per hour is given by the following relation:

Arrival rate in 1 hr = No. of minutes in an hr / inter arrival time of email taken in minutes

Given here,

No. of minutes in an hour = 60 minutes

Inter arrival time of the email taken in minutes = 2 minutes

Arrival rate in 1 hr = 60 / 2

                                = 30 emails / hr

Hence the arrival rate is 30 emails per hour.

Now for finding out the service rate we have the following formula:

Service rate = No. of minutes in an hr x No. of employes answering/ average time that is required to write response email

Given here,

No. of minutes in an hr = 60 minutes

No. of employes answering = 3

Average time that for writing response email = 2 minutes

∴ Service rate = 60 * 3 / 4

                       = 45 emails / hr

Hence the service rate is 45 emails per hour.

To know more about arrival rate click here:

https://brainly.ph/question/17396584

#SPJ4

Deshaun invested in a savings bond for 4 years and was paid simple interest at an annual rate of 2%. The total interest that he earned was $160. How much did he invest?

Answers

For a Simple Interest of $160, the amount that he invested is $2000.

Simple interest is a quick and simple formula for figuring out how much interest will be charged on a loan. The daily interest rate, the principle, and the number of days between payments are multiplied to calculate simple interest.

Given:

Simple Interest (S.I.) = $160

Rate of Interest (R) = 2%

Time Period (T) = 4 Years

Let the Principal Amount be $P

We know,

[tex]S.I. =\frac{P*R*T}{100}[/tex]

Putting the given values in the formula, we get:

[tex]S.I. =\frac{P*R*T}{100}\\S.I. =\frac{P*2*4}{100} =\frac{P*8}{100}\\ 160 =\frac{P*8}{100} \\P = \frac{160*100}{8} =\frac{16000}{8} = 2000[/tex]

Hence, He Invested $2000

To read more about Simple Interest, Visit https://brainly.com/question/25845758

#SPJ1

Answer:

$2,000

Step-by-step explanation:

Simple Interest Formula

[tex]\large\boxed{\sf I = Prt}[/tex]

where:

I = Total interest accrued.P = Principal.r = Interest rate (in decimal form).t = Time (in years).

Given values:

I = $160r = 2% = 0.02t = 4 years

Substitute the given values into the formula and solve for P:

[tex]\implies \sf 160=P \cdot 4 \cdot 0.02[/tex]

[tex]\implies \sf 160=0.08P[/tex]

[tex]\implies \sf P=\dfrac{160}{0.08}[/tex]

[tex]\implies \sf P=2000[/tex]

Therefore, the amount Deshaun invested was $2,000.

write an equation for each line
FIRST GETS BRAINLIEST PLS HURRY

Answers

Equation: y = -x - 5

An isosceles triangle has a perimeter of 46 inches. The base is 6 less than twice each of the congruent legs. What is the sum of the lengths of the two congruent legs?

Answers

Answer: 26 inches

Step-by-step explanation:

An isosceles triangle has two congruent legs.

1) Set up the equations

P = b + 2L

b = 2L-6

2) Substitute for variables

46 = (2L - 6) + 2L

3) Solve the equation

46 = 4L - 6

52 = 4L

13 = L

4) Solve the problem

It asks for what is the sum of the two congruent legs

13 + 13 = Ans

26 = Ans

Which expression is equivalent to (1)/(2^(-2)*3^(-2)) ?

Answers

Answer:

B Description is in the picture

Answer:

[tex]2^2*3^2[/tex]

Step-by-step explanation:

By definition of a negative exponent: [tex](\frac{a}{b})^{-x}=(\frac{b}{a})^x=\frac{b^x}{a^x}[/tex]

In the last step I simply distributed the exponent, but this actually goes both ways! So we can do: [tex]\frac{b^x}{a^x}\implies(\frac{b}{a})^x[/tex]

The next thing you need to know is that: [tex](ab)^x=a^x*b^x[/tex]

and like the previous statement, it works both ways! So this means: [tex]a^x*b^x\implies (ab)^x[/tex]

So the denominator of the expression given can be expressed as:

[tex](2^{-2}*3^{-2})\implies (2*3)^{-2}[/tex]

Lastly you need to understand: [tex]1^x[/tex] just simplifies to one, because [tex]1*1*1*1...\text{ x amount of times}[/tex] will stay equal to one. So we can thing of 1 as being raised to some number, even if not explicitly stated.

This helps because we can write one as: [tex]1^{-2}[/tex]

so now we have the expression:
[tex]\frac{1^{-2}}{(3*2)^{-2}}[/tex]

Well this can because now we can "factor" out this exponent just like how it was demonstrated in the beginning

We get the expression: [tex](\frac{1}{3*2})^{-2}[/tex]

Now we use the definition of a negative exponent, to get the reciprocal giving us the expression

[tex](\frac{3*2}{1})^{2}[/tex]

We can now "distribute" this exponent across the division to get

[tex]\frac{(3*2)^2}{1^2}[/tex]

Well 1 squared just simplifies to 1, so it's redundant to write.

This gives us the expression:
[tex](3*2)^2[/tex]

and as stated before we can distribute this across multiplication, and another way to think of it is:

[tex](3*2)^2\implies (3^2*2^2)\\\\\\text{because } (3*2)^2\implies (3*2)*(3*2)\implies(3*3)*(2*2)[/tex]

we're just grouping the like terms, so we can write them as an exponent.

So this gives us our final expression:
[tex]3^2*2^2[/tex]

or

[tex]2^2*3^2[/tex]

which is the option B, since the order in which we multiply does not matter.

The distribution of the salaries at a small business is strongly skewed with many people making very modest salaries and a few making very large salaries. Which measure of center, mean or median, is a better indication of a "typical” salary at this business?

The mean is better because it is not affected by the high salaries.
The median is better because it is not affected by the high salaries.
It cannot be determined without knowing the actual salaries.
Either one would be a good measure of a typical salary because they are the same value.


(Plss someone help, this is my last try... ima cry if I fail this sh again)

Answers

The measure of center that is a better indication of a "typical” salary at this business is A. The mean is better because it is not affected by the high salaries.

How to illustrate the information?

When the majority of the data are gathered on the left of the distribution curve or the histogram, the distribution is said to be positively skewed, or skewed to the right.

If the majority of the data are gathered on the right side of the distribution curve or the histogram, the distribution is said to be negatively skewed, or to the left. It is assumed that many employees at tiny businesses earn extremely low pay while a select few earn very high salaries. In this case, the mean gives between information about the data.

Learn more about mean on

https://brainly.com/question/18382578

#SPJ1

Select all of the values that have exactly 3 significant digits.
0.0807
O 005.5
13.41
0367.0
☐ 1,990

Answers

All the values with exactly three significant digits are: 0.0807, 1990

Significant digits of a number tell us what the actual meaningful representation of a number is. There are certain rules to figure out which digits in a number are significant such as

All non-zero digits in any number are significant. Ex: 33.4 has 3 significant digits; 19875 has 5 significant digits.All zeros between two non-zero digits are significant. Ex: 103.0078 has 7 significant digits. 700519 has 6 significant digits.Leading zeros that is all zeros to the left of the first non-zero digit and all zeros to the right of a decimal point are insignificant. 0.00081 has 2 significant digits; 0.547 has 3 significant digits.Zeros to the right of a decimal point are significant if and only if they are not followed by a non-zero digit. Ex; 92.00 and 20.00 both have 4 significant digits.After a decimal point, all zeros after the last non-zero digit are significant. Ex: 0.0079800 has 5 significant digitsTrailing zeros are significant in a whole number with a decimal point shown and insignificant if there is no decimal point shown. Ex: 540. has 3 significant digits while 540 has 2 significant digits.

Thus the numbers with 3 significant digits are: 0.0807, 1990

Problem on significant figures.

brainly.com/question/16412482

#SPJ4

the world population was 6.9 billion at the end of 2010 and is predicted to reach 9 billion by the end of 2050.1 (a) assuming the population is growing exponentially, what is the continuous growth rate per year? round your answer to three decimal places.

Answers

The continuous growth rate per year of the world population is 0.664%.

What is defined as Exponential Growth?Exponential growth occurs when the growth of a quantity at any point in time has been proportional towards its value at that point. If we have a few numbers, we could use simple exponential growth models to determine the population.

We've been told to assume that population is growing at an exponential rate. As a result, we can employ the population model shown below.

N(t) = N₀ e∧(kt)

Here, N(t) represents the population after t years, N₀ represents the initial population, and k represents the continuous growth rate.

We've been told that initial population of 6.9 billion will increase to 9 billion in 40 years (2050-2010).

To use this information, we calculate the growth rate using the model described below.

N(40) = 6.9 e∧(40k)

N(40) = 9 (given)

9 =  6.9 e∧(40k)

Taking ㏑ both side

㏑ 9 = ㏑ 6.9 e∧(40k)

40k = ㏑(9/6.9)

k = 0.00664

k = 0.664%

Thus, the continuous growth rate per year of the world population is 0.664%.

To know more about the Exponential Growth, here

https://brainly.com/question/27161222

#SPJ4

Jake spent a total of $40 dollars on the items below 4 movie tickets for $6 each 2 bags of popcorn for $7 4 drinks for $2.25 each what percent of the $40 did jake spend on movie tickets?

Answers

Answer: Jake spent 62.5% of the money on movie tickets.

Step-by-step explanation: He spent 6 x 4 = $24 on movie tickets.

He spent 7 x 2.25 = 15.75 on drinks

However, it is asking for the amount of money he spent on MOVIE TICKETS. So then it would be 25/40 or 5/8.

Point B' is the image of point B after a reflection in a line. Write the equation of the line.
B(2,-4), B'(6,-4)
Thanks! <3​

Answers

The slope and intercept of the line are -2 and 0. The equation of the line is y = -2x

Equation of Line

To find the equation of line, we have to find the slope of the equation and its y-intercept.

The slope of a line can be calculated as

[tex]m = \frac{y_2 - y_1}{x_2 - x_1} \\m = \frac{-4 - (-4)}{6 - 2}\\m = \frac{-8}{4} \\m = -2[/tex]

The slope of the line is equal to -2.

Lets find the intercept of the line;

The line of an equation is given as

[tex]y = mx + c[/tex]

We can pick point A and substitute its values to find c

[tex]y = mx + c\\- 4 = -2(2) + c\\-4 = -4 + c\\c = -4 + 4\\c = 0[/tex]

The equation of the line is y = -2x

Learn more on equation of a line here;

https://brainly.com/question/13763238

#SPJ1

Guys i need help is this right?​

Answers

The domain of the function in this situation as required in the task content is; Choice H; 0 ≤ x ≤ 5.

What is the domain of the function for this situation?

It follows from the task content that the domain of the function described by the situation is to be determined.

Since the domain is the set of all possible input values, otherwise termed the independent variable, x.

It follows that since one runner runs for at most t hours; the domain is; Choice H ; 0 ≤ x ≤ 5.

Please Note: The set of all possible output values of a function, otherwise termed the dependent variable, y is called the Range.

Read more on domain of a function;

https://brainly.com/question/1369616

#SPJ1

a box is to be constructed from a sheet of cardboard that is 10 cm by 60 cm by cutting out squares of length x by x from each corner and bending up the sides. what is the maximum volume this box could have? (round your answer to two decimal places.)

Answers

The maximum volume of the box is 54 cm³ .

To obtain the largest volume feasible, multiply each measurement by the largest possible error. To find the least volume that may be created, multiply after subtracting the biggest possible error from each measurement.

Given :

a box is to be constructed from a sheet of cardboard that is 10 cm by 60 cm

cutting out squares of length x by x from each corner and bending up the sides

⇒ (50-2x)(10-2x)(x)

⇒ 500-100x-20x+4x^2) (x)

⇒ 4x^3-120x^2+500x

⇒ dv/dx     12x^2-240x+500=0

⇒ 3x^2-60x+125=0

⇒ Quadratic formula x=[60 ± √2100]/6

⇒ x= 2.36 or 17.64

volume max: 45.28 x 5.28 x 2.36= 564 cm^3

Hence The maximum volume of the box is 54 cm³

To know more about maximum volume visit :

https://brainly.com/question/20866652

#SPJ4

simplify a5/a2. can someone help fast

Answers

Answer:

[tex]a^{3}[/tex]

Step-by-step explanation:

Law of Indices

Division law:  [tex]\frac{a^{5} }{a^{2} }[/tex] =[tex]a^{5-2} =a^{3}[/tex]

Pancakes are made with 1½ cups water and 1/2
What is the ratio of water to milk?
cup milk.

Answers

1 1/2 : 1/2 is the rario of wayer to milk

The ratio of water to milk is 3:1.

What are ratios ?

The quantitative relation between two amounts showing the number of times one value contains or is contained within the other is called ratio.

Water = 1½ cups

         = 3/2 cups

Milk =  1/2 cup

Ratio of Water to milk

= 3/2 : 1/2

= 3/2 ÷ 1/2

= 3/2 x 2/1

= 3/1

so, the ratio of water to milk is 3:1.

To learn more about ratios, visit :-

brainly.com/question/13419413

#SPJ1

Please help me with math

Answers

The set of numbers from least to greatest is-

5×10⁻², 6%, 2/5, 4/9, 2⁻¹, √3.

What is referred as the ascending order?The arrangement of numbers or even other items in order of increasing from smallest to largest is referred to as ascending order. Ascending order is represented by numbers that emerge on a number line from left to right. We generally represent it with commas or by using the 'less-than symbol (<)' between numbers.

For the given numbers;

The given number are-

2/5, 5×10⁻², √3, 6%, 4/9, 2⁻¹.

These number can be written in the decimal form as;

2/5 = 0.405×10⁻² = 0.058√3 = 1.7326% = 0.064/9 = 0.442⁻¹ = 0.5

Now arrange the number from least to greatest.

0.058, 0.06, 0.40, 0.44, 0.5, 1.73

Convert the number in given form.

5×10⁻², 6%, 2/5, 4/9, 2⁻¹, √3.

Thus, the number represented in the ascending order are-

5×10⁻², 6%, 2/5, 4/9, 2⁻¹, √3.

To know more about the ascending order, here

https://brainly.com/question/12783355

#SPJ13

49 = 7/6u solve for u simplify your answer as much as possible

Answers

Answer:

Step-by-step explanation:

49 = 7/6u

49 * 6/7 = 7/6u * 6/7

42 = u


Evaluate. Write your answer as a whole number or as a simplified fraction.
Submit

Answers

Answer: 1/121

Step-by-step explanation:

Any number raised to the power of 0 is 1

11^2 = 121

Luis wants to buy a skateboard that usually sells for $79.01. All merchandise is discounted by 12%. What is the total cost of the skateboard if Luis has to pay a state sales tax of 6.75%. Round your intermediate calculations and answer to the nearest cent. The total cost of the skateboard is?

Answers

The total cost of the skateboard after being discounted by 12% and then sales tax of 6.75% is$74.22.

What is the percentage?

The percentage is defined as a given amount in every hundred. It is a fraction with 100 as the denominator percentage is represented by the one symbol %.

As per the given,

Usually, the price of the skateboard = $79.01

The 12% of 79.01 ⇒ (12/100)79.01 = $9.4812

The price after a 12% discount

79.01 - 9.4812 = $69.5288

The 6.75% of 69.5288 ⇒(6.75/100)69.5288 = $4.693194

The total price after applying the 6.75% tax,

$69.5288 + $4.693194 = $74.22

Hence "The total cost of the skateboard after being discounted by 12% and then sales tax of 6.75% is$74.22".

For more about the percentage,

brainly.com/question/13450942

#SPJ1

What must be the units of R, the gas constant, in this formula? A. Newton • meter per kelvin B. mole • kelvin per Newton • meter C. Newton • meter per mole • kelvin D. Newton • meter • kelvin per mole

Answers

[tex]P=\frac{\text{nRT}}{V}[/tex]

Solve R:

Multiply both sides of the equation by V:

[tex]\begin{gathered} PV=V\cdot\frac{\text{nRT}}{V} \\ \\ PV=nRT \end{gathered}[/tex]

Divide both sides of the equation by nT:

[tex]\begin{gathered} \frac{PV}{nT}=\frac{\text{nRT}}{nT} \\ \\ \frac{PV}{nT}=R \end{gathered}[/tex]

Then, R is:

[tex]R=\frac{PV}{nT}[/tex]

Use the given units in the equation above:

[tex]R=\frac{N\cdot m^3}{mol\cdot K}[/tex]Then, the units of R are: Newton*cubic meter per mol*Kelvin

Alice was given 15.5 divided by 0.25 to divide. Alice says she knows the way that she can find the quotient without even dividing. Is Alice correct?

Answers

Answer:

i'm not sure i looked it up but from it says you you can find the quotient by using the opposite of division which is multiplying again I'm not sure i might be wrong but please let me know if its right

Step-by-step explanation:

1.97 x 10 3 Standard Notation

Answers

The answer to the given notation is 1970

What is standard notation ?

Any value between 1.0 and 10.0 that can be expressed as a decimal number and multiplied by a power of 10 is referred to as being in standard form. If you look closely, you will see that 1.23 is a decimal between 1.0 and 10.0, and as a result, we have the standard form of 123,000,000 as 1.23 108.

This is already an standard notation : 1.97 × 10³

10 raised to the power three means there are three zeroes.

thus if we were to solve this question it will be

1.97 × 1000

which is equal to 1970.00

= 1970 .

To know more about standard notation visit:
https://brainly.com/question/10253124
#SPJ13

g + 3 < 6
please help me

Answers

The solution to the given inequality expression is g <3

Linear inequality

Inequality are expressions not separated by an equal sign. They are separated by a less than, greater than, less than or equal to and greater than or equal to.

Given the linear equation below:

g + 3 < 6

We are determine the unknown variable "g"

First, we need to subtract 3 from both sides to have;

g + 3 - 3 <  6-3

g < 6 - 3

g < 3

Hence the solution to the given inequality expression is g < 3

Learn more on linear equation here: https://brainly.com/question/2030026

#SPJ1

i would really appreciate it, if I can get some help! Please look at both photos!

Answers

-

nbjhjkghjvhjvhjvhvjvhhklbjklbjblk

Other Questions
Use I = PTR to solve (time is in years) I=$252R=7% find T.P=$900 why is the percent daily value for protein omitted from the nutrition facts food label? multiple select question. it would be too confusing for the consumer. most people do not know or care about their protein intake. protein is not a public health concern for the majority of people. it would be necessary to know the protein quality of a food which is expensive to determine. lena is scheduling 35 part-time employees to complete a project. of those employees, 1/5 work mornings only, 10 work only afternoons, and the rest alternate between mornings and afternoons. if lena plans on using all of her morning only staff, 1/2 of her afternoon only staff, and 1/3 of her remaining staff, how many people will lena schedule? which psychological theory would support the claim that our sleep habits evolved as a protective measure against predatory risks, which are higher when it is dark out? I am not sure if this is true or false. Please help URGENT!!!!!!!!!Thank you to whoever solves it right! HELP ASAP!!Solve the inequality divided by negative 3. 2 is greater than or equal to 7. 6 for r. A. ) r 24. 32 B. )r 24. 32 C. )r 2. 375 D. ) r 2. 375 Users in motion, wireless connectivity, and a cloud-based resource are the elements in a ________ system. HELP ASAP I NEED ANSWER NOWW IT'S MISSING PLEASE HELP 50 POINTS question 4, select all of the things that happened during the reign of terror In addition to the problems stated here, what other issue contributed to the problems faced by native americans on the great plains at the end of the 19th century?. Martin eats 3/8 of a pizza. Felix eats 2/5of a pizza ofsame size. Who eats more pizza? How much more pizzadoes he eat? The signs for "mother" and "daughter" both involve touching the forehead. A. True B. False The Picture Has The Question. a) Find the value of 8*1/3b) Find the value of 8*2/3c) Find the value of 164*3/4 do you think the effect of the soanish anerican war were benficial or detrimentsl to the united stats ASAP!! 3x + 9x = 6x + 42Solve the equation for X and include all steps for Branliest. Given the decomposition reaction:2SI3(g)->2SO2(g) + O2(g)According to Le Chteliers principle, what will happen when the volume of the container is increased for the chemical reaction that had reached equilibrium? A)Increasing volume, increases pressure and favors the products. B) Increasing volume, decreases pressure and favors the products.C)Increasing volume, increases pressure and favors the reactants.D) Increasing volume, decreases pressure and favors the reactants. In the movie Invincible, Philadelphia was struggling during this time. Why was Vince Pa pales story significant for the people of this city? Answer each of the following items.A. In 1-2 sentences, identify why geographers evaluate countries in terms of agricultural density?B. In 2-3 sentences, identify whether human actions influence agricultural density? If so, how?C. In 2-3 sentences, explain the usefulness and variability of agricultural density with reference to threecountries.