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2 years ago

Jade wants to verify that the expression 5(3x-6) is equivalent to 15x - 30. She substitutes 2 into each expression and

Mathematics

1 answer:

rjkz [21]2 years ago

8 0

5(3x-6) is equivalent to 15x - 30 if they are equivalent if the two values are the same.

<h3>What is expression?</h3>

An expression is a set of terms combined using the operations +, – , x or , /.

Given expression:

5(3x-6) is equivalent to 15x - 30.

If we put x=2 in both expression, we get finite value.

To check both the expression are equal or not we have to solve by putting the value.

So,

They are equivalent if the two values are the same otherwise not.

Learn more about expression here:

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13. Diego wants to purchase a used car that sells for $6,399. The dealer has offered him $299 on his trade-in car. The total cos

laila [671]

Answer:

$6100

Step-by-step explanation:

6,399 - 299 = $6100

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3 years ago

9. Ms. Barton determined that the

finlep [7]

Answer:

B. 95

Step-by-step explanation:

Plug in 8625 into the equation as c:

c = 75n + 1500

8625 = 75n + 1500

Solve for n:

7125 = 75n

95 = n

So, 95 people attended.

6 0

3 years ago

Read 2 more answers

Solve this expression 5x^2-13x-6

torisob [31]

Answer:

x= -2/5 and x= 3

Step-by-step explanation:

Given equation is,

5x^2 - 13x - 6 = 0

Or, 5x^2 - 15x + 2x - 6 = 0 ( using middle term method)

Or, 5x( x- 3) + 2 (x-3) = 0

Or, (x-3) (5x+2) = 0

Now, x will have 2 answers because it's degree is 2. Total number of values depends on the power of variable.

So, x= 3 or, 5x = -2

Or, x= -2/5

So, the answer is x= -2/5 and x= 3.

6 0

3 years ago

PLEASE ANSWER CORRECTLY and show your work! I will give brainliest!

Alenkinab [10]

Answer: The new co-ordinates of A ( 2 ,-6)

Step-by-step explanation:

Type of transformation change to co-ordinate point

Vertical translation up 'd' units (x,y)→(x , y+d)

Vertical translation down 'd' units (x,y)→(x , y-d)

Horizontal translation right 'c' units (x,y)→(x+c , y)

Horizontal translation left 'c' units (x,y)→(x-c , y)

Reflection over x-axis (x,y) →(x , -y)

Reflection over y-axis (x,y) →(-x , y)

Given the original vertex A ( -2 ,3)

a) First reflection over x-axis ( -2 ,3) →(-2 , -3)

b) Vertical translation down '3' units so it changes (-2 , -3)→(-2 , -3-3)

(-2,-3)→(-2 ,-6)

and

c) The Horizontal translation right '4' units

now it changes ( -2 ,-6) → (-2+4,-6)→(2 ,-6)

Final answer:-

The new co-ordinates of A ( 2 ,-6)

3 0

2 years ago

What is the volume of a sphere if its radius is 30

ASHA 777 [7]

Answer:

About 113,097.34 units

Step-by-step explanation:

The volume of a sphere can be found with the equation V = $\frac{4}{3}$ πr³ when r is the radius.

V = $\frac{4}{3}$ πr³

V = $\frac{4}{3}$ π(30)³

V ≈ 113,097.34 units

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2 years ago