and maria each wrote an equation that they felt represented the proportional relationship between distance in kilometers and distance in miles one entry in the table paired 152 km with 95 miles if k represents the number of kilometers and m represents the number of miles who wrote the correct equation that would relate kilometers to miles

The answer to the given question is** Oscar wrote the correct equation** that would relate **kilometers to miles.**

1. **Table**

km miles

152 95

2. Set the **proportion** with / and solve for k

/ = 152 km / 95 miles

/ = 1.6 km / 1 miles

= 1.6 , where 1.6 / 1 **represents kilometers per mile.**

So, **Oscar is right.**

**Maria is wrong** because:

If we solve the **proportionality**:

/ = 152 km / 95 miles

/ = 95 miles / 152 km

= 0.625 , where **0.625 represents miles** per kilometer

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The **complete question** is:

"Oscar and Maria each wrote an equation that they felt represented the proportional relationship between distance in kilometers and distance in miles. One entry in the table paired 152 km with 95 miles. If represents the number of kilometers and represents the number of miles, who wrote the correct equation that would relate kilometers to miles? Explain why.

Oscar wrote the equation = 1.6, and he said that the unit rate 1.6 / 1

represents kilometers per mile.

Maria wrote the equation = 0.625 as her equation, and she said that 0.625 represents kilometers per mile."

What is the slope of the line on the graph

**Answer:**

Slope is -2!

y= -2x

**Step-by-step explanation:**

Based on the 2 points given: (3, -6) (-3, 6)

The answer is 2/1 or 2. You can find this by doing the rise/run method

Vab if a = √8 and b = 2√√/2

**Answer:**

I will assume that 2√√/2 is actually 2[tex]\sqrt{2}[/tex]

Vab = 8

**Step-by-step explanation:**

ab

([tex]\sqrt{8}[/tex])*( 2[tex]\sqrt{2}[/tex])

2*[tex]\sqrt{16}[/tex]

2*4

Vab = 8

Can somebody trade lease help me I’m late on my work in school

The **slopes** for each couple of **points** are summarized below:

How to understand slopes in lines

Geometrically speaking, **slopes** in lines indicates the grade of **steepness** of the line itself. The **slope** of the **line** can be determine by knowning the coordinates of two distinct** points** set on **Cartesian plane** and using the **secant line formula**, whose definition is shown below:

m = Δy / Δx

Where:

m - SlopeΔx - Change in independent variable.Δy - Change in dependent variable.Now we proceed to answer on each case:

**Case 1**

m = [3 - (- 1)] / [3 - (- 3)]

m = 4 / 6

m = 2 / 3

**Case 2**

m = (- 2 - 1) / [2 - (- 2)]

m = - 3 / 4

**Case 3**

m = [2 - (- 4)] / [- 4 - (- 1)]

m = 6 / (- 3)

m = - 2

**Case 4**

m = Undefined, as Δx = 0.

**Case 5**

m = [3 - (- 1)] / (3 - 2)

m = 4

**Case 6**

m = 0, as Δy = 0

**Case 7**

m = (6 - 9) / (1 - 4)

m = - 3 / (- 3)

m = 1

**Case 8**

m = [- 5 - (- 1)] / [- 2 - (- 4)]

m = - 4 / 2

m = - 2

**Case 9**

m = (- 9 - 3) / (5 - 5)

m = - 12 / 0

m = Undefined

**Case 10**

m = (9 - 1) / (8 - 2)

m = 8 / 6

m = 4 / 3

**Case 11**

m = [- 6 - (- 8)] / (7 - 14)

m = 2 / (- 7)

m = - 2 / 7

**Case 12**

m = [- 3 - (- 3)] / (8 - 4)

m = 0 / 4

m = 0

**Case 13**

[8 - (- 4)] / (2 - x) = - 3

12 = - 3 · (2 - x)

12 = - 6 + 3 · x

18 = 3 · x

x = 6

**Case 14**

(4 - y) / (3 - 10) = - 2 / 7

(4 - y) / (- 7) = - 2 / 7

4 - y = - 2

y = 6

**Case 15**

(4 - 1) / (x - 7) = 3 / 4

3 / (x - 7) = 3 / 4

x - 7 = 4

x = 11

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What is the average rate of change of the equation g(x)=−x2+2x−4 from x = 2 to x = 5

The average **rate of change** of the **equation** g(x) =−x²+2x−4 from x = 2 to x = 5 is -15 .

The **average of change** of the **function** f(x) from x=a to x=b is given by the formula

Average rate of change = (f(b)-f(a))/(b-a)

In the question ,

it is given that

the **function** is g(x) =−x²+2x−4

we need to find g(2) and g(5) .

g(2) = −(2)²+2(2)−4

= -4 + 4 -4

= -4

g(5) = −(5)²+2(5)−4

= -25 +10 -4

= -15 -4

= -19

So , Average rate of change = (g(5) - g(2))/(5-2)

Substituting the values , we get

**Average rate of change **= (-19 - (-4))/3

= (-19+4)/3

= -15/3

= -5

Therefore , the average **rate of change** of the **equation** g(x) =−x²+2x−4 from x = 2 to x = 5 is -15 .

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45 is divisible by which of the following numbers? (1 point) 1, 5, 8 1, 2, 3 1, 2, 5 1, 3, 5, 9

**Answer:**

1,3,9,5

**Step-by-step explanation:**

**Answer:**

9, 5, 1, 3

**Step-by-step explanation:**

i forgot my vocabulary

But i still know decent engrish

If a car is traveling at 65 miles per hour, then

how far does it travel in 2 hours?

**Answer:**

130 miles

**Step-by-step explanation:**

65×2=130 So if I am driving at a rate of 65 mph then in one hour I drive 65 miles. Since it is in 2 hours I will have driven 130 miles.

**Answer:**

130 miles.

**Step-by-step explanation:**

so it said that the car is traveling 65 miles per hour and it wants to know how far it would go in 2 hours. so if 1 hour is 65 miles if we multiply it by two then we will get

65 miles = 1 hour

130 miles = 2 hours

A train of length 150 metres entered a straight tunnel of length s metres. It took the entire crossing of the tunnel in a time of 15 seconds. Find the length of the tunnel if the train moves with uniform velocity equals 90 km./hr

The tunnel measures **225 meters in length.**

Uniform velocity: What is it?

**Velocity **is the **measure **of how quickly an object's position changes over time and in relation to a frame of reference. A body moves across space with **uniform velocity **when it does so with an equal displacement per unit of time.

Velocity is equal to the **product **of **distance **and **time**.

It measures in** m/s.**

In response to the query, we are provided with the-

150m is the **length of the train.**

s m is the** tunnel's length.**

90 km/hr is the **train's speed**.

= 90 × 5/18 m/sec

**= 25m/sec**

Total **distance equals **(train length plus tunnel length).

[tex]Speed = \frac{Distance}{Time}[/tex]

⇒ 25 = (150 + s) / 15

⇒ 25 × 15 = 150 +s

⇒ 375 = 150 + s

⇒ 375 - 150 = s

⇒ s = 225

**⇒ s = 225m**

Hence, the length of the **tunnel is 225 m.**

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Answer the two questions in the photo for easy points ( will mark brainliest if correct )

[10] D

A** counter-example** is an **example **that shows the **argument **can have true **premises **and a false **conclusion**.

Option D shows someone who is good at math, but isn't an engineer. This is a **counter-example**.

[11] B

Similar to the previous question, options A, B, and D are all dogs. However, option C is not a dog and also has four legs. Therefore, it is a **counter-example**.

Eight workers are hired to weed a field by

hand. Each is given a plot which is 9×7

meters in size. What is the total area of

the field?

**Step-by-step explanation:**

1.work out area of a single plot

[tex]area = 9 \times 7[/tex]

[tex]area = 63m ^{2} [/tex]

2.multiply the area by the amount of workers

[tex]total \: area = 63 \times 3[/tex]

[tex]total \: area \: = 189m ^{2} [/tex]

The total area of the field is 198 m squared

Select the equation of the line that goes through point (4,−2) and is parallel to the equation 2x+5y=15.

A. -2/5x + y= -18/5

B. -5/2x + y= -12

C. 2/5x + y= -2/5

D. 5/2x + y= 8

Answer: 2/5x + y = -2/5

Answer: C

Solution: 2x+5y=15; (4, -2); parallel

Parallel lines have the same slope.

Subtract 2x on both sides to get 5y on one side

5y=-2x+15

Now divide 5y into both sides to get y by itself

Now you got y=-2/5x+15

Solve for b by substituting -2 in for y and 4 in for x

-2=-2/5(4)+b

-2=-8/5+b

+8/5 +8/5

-2/5=b

So b=-2/5

y=-2/5x-2/5

Add 2/5x on both sides

2/5x+y=-2/5

Answer: C

Solution: 2x+5y=15; (4, -2); parallel

Parallel lines have the same slope.

Subtract 2x on both sides to get 5y on one side

5y=-2x+15

Now divide 5y into both sides to get y by itself

Now you got y=-2/5x+15

Solve for b by substituting -2 in for y and 4 in for x

-2=-2/5(4)+b

-2=-8/5+b

+8/5 +8/5

-2/5=b

So b=-2/5

y=-2/5x-2/5

Add 2/5x on both sides

2/5x+y=-2/5

what is the answer to this? :(5x^4)^3

**Answer:**

it is 25 or 35

**Step-by-step explanation:**

Which system of inequalities is graphed below?

System of **inequalities** are :

y> [tex]x^{2} -4[/tex] and y > [tex]x^{2} +3[/tex]

What is inequality ?To learn more about : I**nequalities**

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Given the equation 6(8g + 2) + 45 = 153, write a scenario similar to Parts A and B that could be represented by the equation. Solve for g and explain what each number in the equation represents, including the solution.

The **value** for **g** is 2, meaning that each family bowled 2 games.

How to **solve linear equations**?

Given that the **largest power** of the **variable** (or pronumeral) in these equations is **1**, **linear equations **are also known as **first-degree equations**. A line on the quadratic system is represented by a linear equation. This equation's general form is axe + b = 0, where a, b, and x are all integers and x is the variable. The y-axis is parallel to this form of equation's single solution, which it symbolizes.

The **steps** that should be followed while **solving linear equations** are listed below:

1) We must first determine which variable we need to isolate.

2) Next, make a distinction between variables and constants.

3) Arrange the constants on the right and the variables on the left.

4) Using established axioms, we carry out algebraic operations to determine the variable's value.

Given, the **equation** is **6(8g + 2) + 45 = 153**

Following the steps in the available literature, we have the equation as:

6(8g + 2) + 45 = 153 ⇒ 48g + 12 + 45 = 153 ⇒ 48g = 153 - 45 - 12 = 96

⇒ g = 96/48 ⇒ g = 2

Thus, **g **as suggested will **determine** number of **times** each **family** **bowled**.

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Please help!

Find the value of x and y

We can conclude that the value of **angle **y is 70° and x is 35°.

So, a measure of 'x':

We can see that ∠BAC = ∠DAE (Inversely opposite angles)

∠BAC = ∠DAE = 40°We can observe that △DAE is an isosceles triangle with ∠2x and ∠y beingLet 2x be y for instance:

y + y + 40 = 1802y = 180 - 402y = 140y = 140/2y = 70°Now, we know that y = 70 and similarly 2x = 70.

Now, solve for 'x' as follows:

2x = 70x = 70/2x = 35°Therefore, we can conclude that the value of **angle **y is 70° and x is 35°.

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GEOMETRY HELP ASAP

F (x,y) = (...,...)

1. y or -x

2. -x or y

The **function** which can be the **reflection** along y-axis will be F(-x, y).

A **function** may be defined as an expression in which for every input variable x there is only one output variable y. The input variable is known as **independent** variable and output variable is known as **dependent** variable. **Reflection** may be defined as the changes which occur on a graph for a given **curve**. If reflection of a point occurs along **x axis**, then there will be change in the y coordinate and if reflection along **y axis**, then there will be change in the x coordinate. We have a function F(x, y) and we need to find** reflection** along y axis so there will be change in the x coordinate, so new **function** will be F(-x, y).

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Mr. Ridley has 4 boxes of pencils and 7 single pencils. In all, he has 79 pencils. How many

pencils are there in a box?

**Answer:**

18

**Step-by-step explanation:**

You want to know the number of **pencils in a box** when **7 more** than **4 boxes** totals **79 pencils**.

Let b represent the number of pencils in a box. Then the total number of pencils Mr. Ridley has is ...

4b +7 = 79

SolutionThis 2-step linear equation is solved in the usual way:

Step 1: isolate the variable term

4b +7 -7 = 79 -7 . . . . . . add the opposite of the left-side constant

4b = 72 . . . . . . . . . simplify

Step 2: isolate the variable

4b/4 = 72/4 . . . . . . . . . . divide by the coefficient of the variable

b = 18 . . . . . . . . . . simplify

**There were 18 pencils in each of Mr. Ridley's pencil boxes**.

Jake has 30 fish in his aquarium. Emi has 1/3 the number of fish that Jake has and 1/2 the number of fish that Tobin has.

If the three students combined all their fish in the school's new aquarium, how many fish would there be?

Using** Linear equation**, The** total** number of** fishes i**n the aquarium is found to be **50**.

Linear equation is an equation containing** one unknown variable** with **power one** and** constants**.

The **standard form** of an linear equation in **one variable** x is :

ax + b = 0 , where a, b are **constants**

x= -b/ a is** solution **if this equation or we can solve this equation by adding or subtracting**, multiplying,** dividing** same number** to both sides.

Given that** number** of fishes jake has in the aquarium = 30

And that number of fishes Emi has is 1/3 the number of fish that jake has .

Therefore, **Number **of fishes that Emi has = 1/3 (30) = 10

Also given that Emi has 1/2 the number of fish that Tobin has .

Let Tobin has x fishes

⇒ 1/2(x) = Number of fishes Emi has

⇒ (1/2)x = 10, this is an** linear equation** in x

**Multiplying **both sides by 2, We get:

⇒ 2× (1/2)x = 2 ×10

⇒ x = 20

∴ Tobin has 20 fishes

If the three students combined all their fish in the school's aquarium,

the** Total number** of fishes = 30+20+10 =** 50**

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Mark has downloaded four times as many songs on his music player as Chloe. If Mark has 40 songs, how many songs does Chloe have?

**Answer:**

Chloe has 10 songs.

**Step-by-step explanation:**

40 ÷ 4 = 10

2/4 x 1/3 because i need help

**Answer:**

5/6

**Step-by-step explanation:**

Step 1: Find the GCD (greatest common denominator)

12

Step 2: multiply your factions to represent this

[tex]\frac{2x3}{4x3} = \frac{6}{12} \\[/tex] , [tex]\frac{1x4}{3x4} = \frac{4}{12}[/tex]

Step 3: add the numerators:

[tex]\frac{6}{12} + \frac{4}{12} = \frac{10}{12}[/tex]

Step 4: reduce your fraction

[tex]\frac{10}{12} = \frac{5}{6}[/tex]

Hope that helps

**Fraction multiplication**

**2/4 x 1/3**

*We*** reduce the fraction 2/4** *to its*** lowest expression by extracting and canceling 2.**

**1/2 x (1/3)**

**Multiply 1/2 by 1/3** *(to do this,* **multiply** the **numerator by the numerator** *and the* **denominator by the denominator).**

**1 x 1/2 x 3 =====> ***Multiply*

**1/6 ====>** Answer

select graph for solution of open sentence click until correct graph appears [×]=2

Given:

[tex]|x|=-2[/tex]Let's graph the the absolute value equation.

From the equation let's solve for x.

Since |x| = -2, there is no possible value of x that can satisfy this equation. This is because an absolute value can never be a negative number.

Therefore, we can say there is no solution.

This absolute value equation can not be graphed.

**ANSWER:**

**No solution**

Suppose James has a credit card with a balance of $4289. Each month, the credit card company charges 5% interest. James pays off all new purchases that he makes each month without paying off the old balance or its interest. He wants to know what the balance on his credit card will be one year from now. Is this situation an example of exponential growth or exponential decay?

The **balance **on his **credit card **will be the **amount **of $4076.56 one **year **from now.

Simple interest is defined as **interest **paid on the original **principal **and calculated with the following formula:

S.I. = P × R × T, where P = Principal, R = Rate of Interest in % per annum, and T = Time, usually calculated as the number of years. The rate of interest is in percentage r% and is to be written as r/100

First, we must compute James' **monthly charges **on his **balance **of 4289.

Principal = 4289

Rate = 5%

Time = 1 month = 1/12 year

Simple interest = 4289×5×1/12×100 = 17.87

The **monthly charge **is 17.87,

So the yearly charge would be: 12 × 17.87 = $214.44

His credit card **balance **one **year **from now = Principal - Interest

⇒ 4289 - 214.44

⇒ 4076.56

In one year, his credit card **amount **will be 4076.56.

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Steven earns extra money babysitting. He charges $33.75 for 5 hours and $47.25 for 7 hours.

Enter an equation to represent the relationship. Let x represent the number of hours Steven babysits a

y represent the amount he charges.

The equation is y =

**Answer:**

y = 6.75x

**Step-by-step explanation:**

$33.75 ÷ 5 = $6.75

$47.25 ÷ 7 = $6.75

So we have y = 6.75x.

the question is in the photo! :)

**Answer:**

2

**Step-by-step explanation:**

So to get the answer we need to figure out what x is

2×2=4

so x has to be 2

Please simplify these equations

**Answer: **

**a) 81**

**b) 16807**

**c) 1010000000**

**d) 390630**

**These are all correct. I checked.**

91.276-4.319

to the nearest whole number

**Answer:**

that's a good question

**Step-by-step explanation:**

I believe it is 87

Explanation: 91.276-4.319=86.957 then by rounding that number to the nearest whole is 87…

Explanation: 91.276-4.319=86.957 then by rounding that number to the nearest whole is 87…

Write an equation for a parabola that passes through the point (2,2) and has a vertex of (3,1)

The **equation **of the **parabola **will be;

y = (x - 3)² + 1

**What is mean by Parabola?**

A **parabola **is a set of points in the plane which are **equidistant **from the directrix and **focus**.

Given that;

The **vertex **of the parabola = (3 , 1)

A **parabola **passes through the **point **(2,2).

Now,

Since, The **equation **of **parabola **in vertex form is;

y = a (x - h)² + k

Where, (h , k) are vertex of the parabola.

So, The **equation **of **parabola **with **vertex **(3, 1) will be;

y = a (x - 3)² + 1

And, It passes through the point (2,2).

So we substitute the value of (2, 2) in place of (x, y) as;

2 = a (2 - 3)² + 1

2 = a + 1

a = 2 - 1

a = 1

Substitute the value of a in above equation, we get;

The **equation **of **parabola **as;

y = (x - 3)² + 1

Therefore, The **equation **of the **parabola **will be;

y = (x - 3)² + 1

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the perimeter of triangle abc is 90. if ab= 5x+1, bc= 2x+13 and ac = x+4 what type of triangle is abc

As all the **length **of each side of given triangle are **unequal **so the given triangle is **scalene **triangle

A triangle's perimeter is defined as the total length of its boundary.

The **perimeter **of a triangle is the **sum **of all three **sides**.

Here given that there is a triangle name ABC and the triangle ABC has the perimeter of 90.

∴ Sum of sides of triangle ABC will equal to the perimeter of triangle ABC

∴ **AB + BC + AC = 90**

As we have AB = 5x + 1, BC = 2x + 13, AC = x + 4

∴ 5x + 1 + 2x + 13 + x + 4 = 90

∴ 8x + 18 = 90

∴ 8x = 90 - 18

∴ 8x = 72

∴ x = 72/8

∴ x = 9.

So we get **AB **= 5x + 1 = 5(9) + 1 =45 + 1 = **46**.

**BC **= 2x + 13 = 2(9) + 13 = 18 + 13 = **31**.

**AC **= x + 4 = 9 + 4 = **13**.

As all the **length **of each side are **unequal **so the given triangle is **scalene **triangle as an **scalene triangle **is a triangle in which all three side **lengths **are **different **and all three **angle **measurements are **different**. However, the sum of all **interior **angles is always equal to **180 **degrees. Therefore, it **satisfies **the angle sum property of triangles.

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the brain volumes () of 50 brains vary from a low of to a high of . use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of , assuming the estimate is accurate if it is within 15

The estimated **standard deviation** from the range rule is 145.5 cm3.As it is 29.8 cm3 smaller than the exact standard deviation, we consider that the estimation is not accurate enough.

Generally, brain **volumes** which are smaller than 921.1 cm3 can be considered significantly low and bigger than 1417.5 cm3 can be considered significantly high. Hence, brain **volume** of 1457.5 cm3 is bigger than the expected maximum, so it can be considered significantly high.

The calculation goes like this,

According to the range rule, the standard deviation and range, or the distance between the maximum and smallest value, are roughly inversely proportional:

[tex]s=R/4[/tex]

If we have a sample of 50 brains **volumes**, and they range from 910 cm3 to 1492 cm3, we can estimate the **standard deviation** as:

[tex]s=max-min/4[/tex]

s=1492-910/4=582/4=145.5

The exact standard deviation is 175.3 cm3.The difference is 175.3-145.5=29.8 cm3, so the estimation is not accurate enough.

The range rule of thumb states that we should anticipate a maximum value that is approximately two **standard deviations** above the mean and a lowest value that is approximately two standard deviations below the mean. The expected ranges are as follows given our mean volume of 1169.3 cm3 and standard deviation of 124.1 cm3:

Min= M-2s=1169.3-2*124.1=921.1

Max=M+2s=1169.3+2*124.1=1417.5

The brain capacity of 1457.5 cm3 can be regarded as significantly high because it is higher than the predicted maximum.

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Point C(6,-2)is dilated from the origin by scale factor r =3/4.what are the coordinates of point c

**the coordinates of point c is (9/2, -3/2)**

The original coordinate = C(6, -2)

scale factor r =3/4

**New coordinate (c) = scale factor × the original coordinate **

c = 3/4(6, -2)

c = (3/4×6,** **-2×3/4)

c = (18/4, -6/4)

**c = (9/2, -3/2)**

**Hence, the coordinates of point c is (9/2, -3/2)**

PLS TELL ME ASAPPPPP

It should be the 3rd one

Fictitious element Az has two common isotopes. What is the average atomic mass (in amu) of Az given that seven-ninth of the isotopes have a mass of 325.2 amu, while the rest have a mass of 329.6 amu? Report the answer to 4 significant figures.
What would your weight on the moon be if you weighed 120 pounds on Earth?(50 POINTS !!)
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To establish proximate cause in a negligence claim, it is necessary to prove that the.
Which sentence would be the best conclusion to the essay? A. These benefits are important and overcome the negative parts of gaming. B. So, even the things people say are bad about gaming can be turned into benefits. C. Perseverance, patience, problem solving and focus are things that will help students do better. D. The lessons learned from gaming can be applied not only in school, but in everyday life as well.
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A= 1/2 W (R+S) for W
what is a word problem for [tex]18 \div 6[/tex]
12. Sarah Steenburgh rented a car for seven days at $49.95 per day with unlimited mileage. InSteenburgh's state, because she already has automobile insurance for her own car, she iscovered for the rental car. She drove 2,465 miles and paid $162.38 in gasoline. How muchdid the rental car cost per mile to the nearest cent?a. $0.19b. $0.21c. $0.23d. $0.25
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why has the miracle of synthetic fertilizers in some way become too much of a good thing?
A ball is thrown downwards from a height of 25m with an initial velocity of 10 m/s.Find the velocity of the ball just before it hits the ground.V=10mlsh=25m
There is a mound of g pounds of gravel in a quarry. Throughout theday, 400 pounds of gravel is added to the mound. Two orders of 600 pounds are sold and the gravel is removed fromthe mound. At the end of the day, the mound has 1,200 pounds of gravel.
Consumers go through five stages in the process of adopting a new product. In the ________ stage, the consumer considers whether trying the new product makes sense.
Select all the expressions which are equivalent to 3(0.15 0.2 + 0.25p). A. 0.45 0.6 + 0.25p B. 0.15 0.75p C. 3(0.15 + 0.2 + 0.25p) D. 3(0.05 + 0.25p) E. 3(0.05 + 0.25p)I need help ASAP.
why cant a single cell constitute a system?
Use the drawing tools to form the correct answer on the graph.Draw a point that belongs to the solution region of this system of inequalities.y > 1.5x + 4y < 2/3x + 4