9(7r−3s+10)

Thanks!

**Answer:**

63r-27s+90

**Step-by-step explanation:**

9 times 7 is 63

9 times -3 is -27

9 times 10 is 90

Four students are sharing 1/3 carton of yogurt

equally. How much yogurt will each student

get

**Answer: 1/12**

**Step-by-step explanation:**

**1) Set up the equation**

1/3 / 4

**2) Change 4 into a fraction**

1/3 / 4/1

**3) Change the divide into a multiply by flipping the 2nd fraction**

1/3 * 1/4

**4) Solve**

**1/12**

Can someone help with questions 3,4 and 5? THANK YOUUU ^^ I did questions 1 and 2

**Answer:**

Question 3.

[tex]y = \frac{2}{7} x - 3[/tex]

question 4

[tex]y = - 4x - 1[/tex]

question 5

[tex]y = 5x + 3[/tex]

**Step-by-step explanation:**

Question 3

1.Write down what is given in equation form

[tex]y = \frac{2}{7} x + c[/tex]

2. Insert the given point to work out c

[tex] - 5 = \frac{2}{7} ( - 7) + c[/tex]

[tex]c = - 3[/tex]

3. answer

[tex]y = \frac{2}{7} x - 3[/tex]

Question 4

1 write what was given in an equation

[tex]y = - 4x + c[/tex]

2. insert given point (-1;3) to work out c

[tex]3 = - 4( - 1) + c[/tex]

[tex]c = - 1[/tex]

3. final answer

[tex]y = - 4x - 1[/tex]

question 5

1.with what was given write it in equation form

[tex]y = 5x + c[/tex]

2. substitute the given point (-2;-7) to work out c

[tex] - 7 = 5( - 2) + c[/tex]

[tex]c = 3[/tex]

3.final answer

[tex]y = 5x + 3[/tex]

Write an equation point-slope form of the line that passes through the point (3,3) with slope 5/3

We solve as follows:

[tex]y-3=\frac{5}{3}(x-3)[/tex][tex]\Rightarrow y-3=\frac{5}{3}x-5\Rightarrow y=[/tex]Sixty and sixty eight thousandths

**Answer: 60 and 68/1000**

**Step-by-step explanation:**

Not sure if you wanted it in fraction, decimal, or percentage form.

**Answer:**

60 and 68.000

**Step-by-step explanation:**

i not sure if that was what u were looking for

10. (2, -4); slope = -3

The equation (-4 = -3x + 2) is formed and plotted on the **graph **(Refer to the graph attached below).

So, the equation can be:

The slope is -3 and the coordinates are (2, -4):Formula: y = MX + bWhere m is the slope.From the equation:

y = MX + b-4 = -3x + 2Now, plot the equation on the graph as follows:

(Refer to the graph attached below)Therefore, the equation (-4 = -3x + 2) is formed and plotted on the **graph **(Refer to the graph attached below).

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**The correct question is given below:**From the equation and plot it on a graph when, (2, -4) and slope = -3.

Which relation represents a function?

A and B represent a function

3×(9-4)³ - 46×3

A) 1

B) 237

C) 711

D) 987

**Answer:**

237

**Step-by-step explanation:**

3×(9-4)³ - 46×3

subtract 4 from 9 to get 5

3x5³-46x3

calculate 5 to the power of 3 and get 125

3x125-46x3

multiply 3 and 125 to get 375.

375-46x3

Multiply 46 and 3 to get 138

375-138

subtract 138 from 375 to get 237.

And there's your answer

You can follow the rule of **BODMAS**.

**BODMAS** stands for Bracket, Of, Division, Multiplication, Addition, Subtraction

By following the rule of **BODMAS**, the solution will be like this:

3×(5)³ - 46×3

= 3×125 - 46×3

= 375 - 138

= 237

I hope my explanation has helped you.

You can do well to declare this answer as the Brainiest Answer.

Thanks so much

what is −2x+y=15? i cant undestand

**Step-by-step explanation:**

it is a linear equation

Normally two if them are given together to solve

hope it helps

Model with Mathematics

The owner of a frozen yogurt stand considers different pricing options for a serving of yogurt plus toppings. For what number of toppings do the two options give the same price?

A. Define the variables.

B. Write a system of equations that models this situation.

C. Graph the system. What is the intersection point?

D. What is the solution of the problem?

E. Is the solution reasonable for this situation? Explain.

**Answer:**

**Step-by-step explanation:**

**A, B: Define the Variables and Write Equations**

Let T be the number of toppings.

Option 1: $3 + $0.75*T

Option 2: $4 + $0.50*T

**C. Graph the System**

See the attached graph. The intersection point is (4,6). This means that 4 toppings will result in a cost of $6 for both yogurt options.

**D. Solution to the Problem**

The solution is given above, but we can also solve using equations, instead of graphing. We want the value of T that will make these expressions equal:

$3 + $0.75*T = $4 + $0.50*T

$0.25*T = $1

T = 4 toppings

=============

CHECK:

For 4 toppings:

Option 1: $3 + $0.75*T

$3 + $0.75*(4)

$3 + $3 = $6

Option 2: $4 + $0.50*T

$4 + $0.50*(4)

$4 + $2 = $6

Four toppings will make both options equal in cost.

**E: Is the solution reasonable?**

Yes. The cheaper option ($3) has a more expensive topping, so at some point (at 4 toppings) it will be the same price as the second option, with a higher initial price, but with cheaper toppings.

Three consecutive intergers are such that four times the least integer is three times the greatest . What is the greatest of this integers? A-16, B-8, C-10, D-12, E-14

If we call the middle number in the sequence [tex]x[/tex], the numerical values of the other terms will be [tex]x-1[/tex] and [tex]x+1[/tex], respectively, since they are consecutive.

We are told that [tex]4[/tex] times the smallest number is equal to [tex]3[/tex] times the largest number. Let us write our equality.

[tex]4(x-1)=3(x+1)[/tex][tex]4x-4=3x+3[/tex][tex]4x-3x=4+3[/tex][tex]x=7[/tex]We found our number in the middle. Since it wants the value of our largest number, let's add 1 to the middle number.

[tex]x+1=7+1=8[/tex]The answer is **B.**

The following figure shows the entire graph of a relationship.

Does the graph represent a function?

Yes or no

**Answer:**

No

**Step-by-step explanation:**

The graph fails the vertical line test. More than one y-value is on one x-value.

express y in terms of x: 6(x-y) = 19

**Expressing **y in** terms** of x gives y = x - 19/ 6

**Subject of formula** can be defined as the variable that is being expressed in terms of other variables in an equation, function or expression.

It is also described as the **variable** that is being worked out in an expression or equation.

It is made to stand alone on on side of the equality sign.

We have the equation;

6(x-y) = 19

To make 'y' the subject of formula, let's take the following steps;

Divide both sides by 6, we have;

x - y = 19/ 6

now, take the variable 'x' over the equality sign

-y = 19/ 6 - x

Divide both sides by -1

y = x - 19/ 6

Hence, the **equation **is y = x - 19/ 6

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You have a $25 calling card. calls made using the card within the united states costs $10 per minute. while calls made from the us to france cost $25 per minute. write an inequality that relates the number of minutes x you can use for calls within the us and the number of minutes y you can use from de us and france

**Answer:**

**10× + 25y ≤ 25**

**Answer:**

0.1x + 0.25y ≤ 25

**Step-by-step explanation:**

A call within the US is $0.10, a call to France is $0.25, and you have $25.00. Your total amount of money spent depends on how many calls you make. Now, turn this information into an inequality.

PLEASE SOMEONE HELP ME

question 6

The exponential function in the graph shows the value, in dollars, of an investment over time. What real-world information is given by each feature of the graph?

THE TWO PICTURES GOES WITH QUESTION 6

Question 12

Evan runs a website that has gotten quite popular. However, its popularity seems to be decreasing and the site is now getting 7% fewer hits each week. If Evan's site got 34,000 hits this week, how many weekly hits can he expect it to get 3 weeks from now?

Round to the nearest whole number.

A. 134,360 hits

B. 27,348 hits

C. 41,651 hits

D. 714,000 hits

Considering **exponential functions**, it is found that:

**6. **

**12.** The number of **hits **3 weeks from now will be of 27,348, hence option B is correct.

An exponential function is modeled according to the **rule **given next:

[tex]y = ab^x[/tex]

The **parameters **of the exponential function are defined as follows:

For **item 6, **considering the **points **(0,10) and (1,7.5), the parameters are given as follows:

For** item 12,** the initial amount and the rate of change are given as follows:

a = 34,000, b = 1 - 0.07 = 0.93.

Hence the **number of hits** x weeks from now is modeled according to the following function:

[tex]h(x) = 34000(0.93)^x[/tex]

After **3 weeks,** x = 3, hence the number of hits will be of:

[tex]h(3) = 34000(0.93)^3 = 27348[/tex]

Meaning that **option B** is correct.

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Determine the y-value of each ordered pair based on the given x-value

y= -x + 9; (-9, ), (1, ), (5, )

Brainfiy to correct person

The** value of y **in each case are 18,8 and 4 respectively.

Given** equation**:-

y = -x + 9

Values of x = {-9, 1, 5}

We have to find the **corresponding values **of y for each value of x.

Putting x = -9 in the given equation, we get,

y = -(-9) + 9 = 9 + 9 = 18

Putting x = 1 in the given equation, we get,

y = -1 + 9 = 8

Putting x = 5 in the given equation, we get,

y = -5 + 9 = 4

Hence, the values of y are {18, 8,4}

The complete** ordered pair** of (x,y) is given by:-

(-9,18)

(1,8)

(5,4)

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←

For the given function, find (a) f(1) (b) f(-2).

(a) f(1) =

(b) f(-2) =

For the **given** **functions** , f(1) = -3 and f(-2) = -6 .

In the question

a **graph** is given

we have to find the **value** of the **functions** f(1) and f(-2)

the value of f(1) means the value of y, when x=1 .

we see that ,

on the **graph **when x = 1 , the **value** of y = -3 .

so the value of [tex]f(1)[/tex] = -3 .

the value of f(-2) means the value of y, when x = -2 .

we see that ,

on the graph when x = -2 , the value of y = -6 .

so the value of [tex]f(-2)[/tex] = -6 .

Therefore , For the **given** **functions** , f(1) = -3 and f(-2) = -6 .

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A particular bacterium population is found to double the in 20 minutes. If a laboratory culture

begins with a population of P=340 of this bacteria and there is no change in the growth rate, how

many bacteria will be present in t=37 minutes?

Hint: Use equation P = Poekt, where k is the relative growth. Round to two decimal places.

The** bacteria** present at t=37 minutes is found to be 8.40, with no change in** growth rate.**

When a population's per capita growth rate remains **constant**, regardless of population size, exponential growth occurs, causing the population to grow exponentially as the population** increases.**

Given:

P = 340

It has been discovered that a specific bacterial population doubles in 20 minutes.

k = 2/20 = 0.1

t = 37 minutes

We know that,

P = P₀[tex]e^{kt}[/tex]

340 = P₀([tex]e^{0.1*37}[/tex])

340 =P₀(40.44)

P₀ = 8.40

As a result, the** bacteria** that will be present in t=37 minutes is found to be 8.40 with no change in **growth rate.**

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with show work. trigonometry

60.8. you would have to combine all know angles and subtract them by 180

PLS HELP 9th Grade MAth

The** equation** of the given** linear function** passing through two **points** is

y = 6 -2x.

What isLet (x₁, y₁) and (x₂, y₂) be two** points** on the given** linear function** whose equation in **variables** x and y is given by** formula** below.

(y - y₁) = {(y₂ -y₁)/(x₂-x₁)} (x -x₁)

Given that f is a **linear function** ,

f(-3) = 12

f(6) = -6

⇒(x₁, y₁) = ( -3,12)

(x₂, y₂) = ( 6,-6)

Thus the** equation** of the **linear function** is :

⇒ y - 12 = { ( -6-12)/(6-(-3))} ( x - (-3))

⇒ y - 12 = { -18/ 9} ( x +3)

⇒ y - 12 = -2 ( x+3)

⇒ y = 12 -2x - 6

⇒ y = 6 -2x

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Why do visit the zoo on cold days￼

**Answer:**

How is this math?

**Step-by-step explanation:**

**Answer:**

Visiting the zoo on cold days limits the number of people there and it isn't too hot so you don't stand in the sweltering heat. Besides, on cold days, the animals may be in a better mood, but be cautioned, remember to bring a jacket just in case.

**Step-by-step explanation:**

The perimeter of AMUD is 38cm.

m/D=

MD=

14cm

360

Blank 1:

Blank 2:

cm

M

D

The side MD **measures **10 cm and ∠D=72° for the given **triangle.**

What is **triangle**?

The **perimeter** of ΔMUD= 38cm

MU=DU=14cm

∠U=36°

⇒∠M=∠D=x

Applying Angle **sum property,**

36°+x+x=180°

2x=180°-36°

x=72°

∴∠D=72°

Perimeter of **triangle**=14+14+MD

38=28+MD

⇒MD=10cm.

The side MD **measures **10 cm and ∠D=72° for the given **triangle.**

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Ayuda es para mañana son similar figures

**Answer:**

2. x = 2

3. x = 43.2

4. x = 3.6

**Step-by-step explanation:**

what is the highest in order from least to greatest

**Answer:**

Least to greatest: 1. International finance center

2. Petronas towers

3. Zifeng towers

4. Burj Khalifa

If you partition a line segment in a ratio of 4:1, what is the fraction?

**Answer:**

Your answer would be 4 over 1

Monique built a wooden frame woth dimensions 0.8m by0.5m.how much wood will be left from a 3.4m length of timber

**Answer: 0.8 m**

**Step-by-step explanation:**

1. The perimeter P of the wooden frame is equal to:

P=2(0.8+0.5)

P=2(1.3)

P=2.6 m

2. The remaining length of wood is equal to:

3.4-2.6=

0.8 m

A group of 40 children attended a baseball game on a field trip. Each child received either a hot dog or a bag of popcorn. Hot dogs were $2.25 and popcorn was $1.75. If the total bill was $83.50, how many hotdogs and bags of popcorn were purchased?

Write the equations for the situation above. (Use the variable x for hotdogs and y for popcorn)

**Answer:**

See Explanation

**Step-by-step explanation:**

[tex]x+y=40\\2.25x+1.75y=83.5\\[/tex]

from the first you have

[tex]h=40-p[/tex] substitute into the second:

[tex]2.25(40-p)+ 1.75x= 83.5\\90-2.25y+1.75x= 83.5[/tex]remaining

[tex]0.5y=6.5\\p= \frac{6.5}{0.5} =13\\[/tex]

substitute back into [tex]h= 40 - y\\h = 40 - 13 = 27[/tex]

Hope this helped :)

If pH = -log [H+], find the pH of a substance that has a hydrogen concentration [H+] = 5.7 X 10-4.Round your answer to the nearest ten thousandth (4 decimals).

[H+] = -1.7243

**Explanation:**

Since [H+] = 5.7 * 10 - 4, in the function -log[H+] representing pH, replace H+

pH = -log [5.7 *10 - 4]

pH = -log[53]

pH = -1.7243

NB:

This number is rounded up from -1.72427.....

What is the answer to this

|-0.4| ?

**Answer:**

0.4

**Step-by-step explanation:**

The absolute value is just the number in the line things but positive.

The absolute value is the distance between a number and zero. The distance between − 0.4 and 0 is 0.4

if |-0.4| is all that is in the question it is 0.4

What is -3 times 4??

**Answer:**

-12

**Step-by-step explanation:**

hope it helps

have a nice evening

FRUIT Ronald buys fresh fruit from a fruit stand. Apples cost $5 per pound and peaches cost $6 per pound. He has $60 to spend. The table

shows the function relating the number of pounds of apples, x, and the number of pounds of peaches, y, Ronald could purchase.

Apples (lb) Peaches (lb)

X

y

0

1.2

3

6

7.2

12

The ?

y

10

9

7.5

5

4

0

Hintercept shows that if Ronald buys only apples, he can buy ?

intercept shows that if Ronald buys only peaches, he can buy ?

pounds. The

pounds

**Answer:**

a

**Step-by-step explanation:**

your a could be the same.

What value of x makes this equation true?x+7------7A. 6B. 8C. 35 D. 42
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50 POINTSSWrite a matrix representing the system of equationsx+2y+z=52x-y+2z=153x+y-z=8Solve the system by transforming your matrix into a reduced row echelon form. State the solution as an ordered triple.
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