MATHEMATICS MIDDLE SCHOOL

2(5x-7)=2x+10 what Is the distributive property

Answers

Answer 1

Answer:

Answer:x = 3

Step-by-step explanation:

2(5x-7)=2x+10

distribute 2(5x-7)

=2*5x - 2*7

∨ ∨

10x - 14

10x - 14 = 2x + 10

add 14 to both sides

10x-14=2x+10

+14 +14

simplify

10x=2x+24

subtract 2x to both sides

10x=2x+24

-2x -2x

simplify

8x=24

divide both sides by 8

8x=24

÷8x ÷ 8x

x = 3

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A jogger weighing 800 N is running along at a constant velocity of 6 m/s. What is the kinetic energy ofthe jogger?

Answers

Step-by-step explanation:

KE = ½ mv²

KE = ½ (800 N / 10 m/s²) (6 m/s)²

KE = 1440 J

Please answer right away

Answers

Answer:

$29000 with a margin of error of $5000

Step-by-step explanation:

We have that the midpoint between the given values is

(X1+X2) / 2 = ($34000+$24000)/2 = $29000

We have that the midpoint between the given values would be

(X2-X1)/2=($34000-$24000)/2=$10000/2=$5000

So I can write that approach as $29000 with a margin of error of $5000

Done

Write 3 7/8 as an improper fractions

Answers

The improper fraction is 31/8

3 7/8 as an improper fraction is 31/8.

3 x 8=24, then you add the 7 and you get 31.

Match the equation with the name of its form:

Answers

Answer:

Standard form: 3. 5x + 3y = 7

None of the Forms: 4. y + 5 = 3(2x - 4)

Slope Intercept Form: 1. y = 4x - 2

Point Slope Form: 2. y - 3 = 2(x + 1)

Hope this helps!

Answer:

standard form - 3

none of the forms - 2 or 4

slope intercept form - 1

point slope form - 2 or 4

sorry i dont rlly know

Simple question

Derivative of $\boxed{f(y)= (y^2)/(y^3+8) }$

Answers

Let's go ;D

$f(y)=(y^2)/(y^3+8)$

we have to use the quotient rule.

$f(y)=(g(y))/(h(y))$

$f'(y)=(h(y)*g'(y)-g(y)*h'(y))/([h(y)]^2)$

Then

$g(y)=y^2$

$g'(y)=2y$

$h(y)=y^3+8$

$h(y)=3y^2$

Now we can replace

$f'(y)=(h(y)*g'(y)-g(y)*h'(y))/([h(y)]^2)$

$f'(y)=((y^3+8)*2y-(y^2)*3y^2)/((y^3+8)^2)$

$f'(y)=(2y^4+16y-3y^4)/((y^3+8)^2)$

$\boxed{\boxed{f'(y)=(16y-y^4)/((y^3+8)^2)}}$

What is the value of x?
Plssss help me :(

Answers

Answer:I believe it’s 40 degrees

Step-by-step explanation:

-30

The answer is 40 degrees
Hope this helped

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One circle has a diameter of 6 inches. A second, larger circle has a diameter that is four times the diameter of the first circle. What is the ratio of the area of the smaller circle to the larger circle?

35/8 as a mixed number