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Leviafan [203]
2 years ago
14

Pls HELPPP !!!!!!!!Variables y and x have a proportional relationship, and y = 21 when x = 14. What is the value of x when y = 1

2?
Mathematics
1 answer:
Drupady [299]2 years ago
8 0

Answer:

8

Step-by-step explanation:

y=21 divided by x=14 = 1.5 so Y is 1.5 times larger than X so you should divide y=12 by 1.5 to get 8

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Which equation applies the associative property of multiplication?
ohaa [14]

Answer:

<u>C) −12/5⋅(7/12⋅1/9)⋅8/5=(−12/5⋅7/12)⋅(1/9⋅8/5)</u>

5 0
2 years ago
What is the substitution for 3x+4y^2 if x= -2 and y=3?
Hitman42 [59]

Answer:

30

Step-by-step explanation:

x= -2 and y= 3

Hence, simply put it in the equation:

3x + 4y^2

3(-2) + 4(3)^2

-6 + 4(9)

-6 + 36

30

Hope this helps!

If you find this helpful, please mark brainliest! Would really appreciate!

8 0
3 years ago
Question 7 of 10 What is the sum of the first five terms of a geometric series with a1 = 10 and r = 1/5?​
enot [183]

Answer:

12.496

Step-by-step explanation:

\text{Sum}=\frac{a*(1-r^n)}{1-r}\\\text{Here a=10, r=1/5, plugging them in the above formula we get}\\\text{Sum}=\frac{10*(1-(1/5)^5)}{1-(1/5)}\\\text{Sum}=\frac{1562}{125}=12.496

5 0
3 years ago
What Is 4x+6y=48 and what is the general form and x intercept and y intercept and slope and factored form?
Vladimir [108]

Given equation : 4x+6y=48 .

The general form of the linear equation is ax +by =c.

The given equation is already in general form.

Let us find x-intercept.

Plugging y =0 in given equation.

4x+6(0)=48 .

4x +0 = 48

4x = 48

Dividing both sides by 4, we get

4x/4 = 48/4

x = 12.

<h3>Therefore, x-intercept is (12,0).</h3>

Let us find y-intercept.

Plugging x =0 in given equation.

4(0)+6y=48 .

6y = 48

Dividing both sides by 6, we get

6y/6 = 48/6

y = 8.

<h3>Therefore, y-intercept is (0,8).</h3>

Let us convert given equation in slope-intercept form y=mx+b.

4x+6y=48

Subtracting 4x from both sides, we get

4x-4x+6y=48-4x

6y = -4x+48

Dividing both sides by 6, we get

6y/6 = -4x/6+48/6

y = -2/3 x +8.

<h3>Therefore, slope is -2/3.</h3>

Let us find factored form now.

GCF of the given linear equation is 2.

Factoring out 2 in all term, we get

3(2x+3y=24)

That is factored form.


4 0
3 years ago
What is the solution of the system? 7x+5y=19 and -7x-2y=-16 Need help ASAP
Stells [14]

Answer:

x = 2, y = 1

Step-by-step explanation:

  • 7x + 5y = 19
  • -7x - 2y = -16

Use the elimination method to solve the system of equations. Add the terms from top to bottom. 7x and -7x cancel out.

0 + 3y = 3

Divide both sides by 3.

y = 1

Substitute 1 for y into the first equation.

7x + 5(1) = 19

7x + 5 = 19

Subtract 5 from both sides.

7x = 14

Divide both sides by 7.

x = 2

3 0
3 years ago
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