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Kryger [21]
2 years ago
7

What is the difference of the polynomials?

Mathematics
2 answers:
AlekseyPX2 years ago
7 0
2x^3+2x I just did this I was looking for the same answer
melisa1 [442]2 years ago
6 0

Answer:2x^3+2x

Step-by-step explanation:

I did this before trust trade

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For each rectangle below, write a linear equation that represents the area y of the rectangle. Solve this system of two linear e
Hatshy [7]

(5,24)

  • The two areas are the same.

  • To find the area, we multiply the side lengths. Y=area

Rectangle 1: side lengths 4 and (x+1)

y=4(x+1)= 4x+4

Rectangle 2: side lengths 3 and (2x-2)

y=3(2x-2)= 6x-6

  • Since the two areas are same, we can conclude that

4x+4=6x-6

  • Now, simplify.

-2x=-10, x=5

  • Since x is 5, we can plug it into the equations to find y.

Option 1 with rectangle 1: y=4(5)+4, y=24

Option 2 with rectangle 2: y=6(5)-5, y=24

I graphed the linear equation on desmos.

5 0
2 years ago
Two-thirds of the students who voted for student council president voted for Aisha. Aisha received 216 votes. Write and solve an
san4es73 [151]
Will answer momentarily.
6 0
3 years ago
Read 2 more answers
The y coordinate of the vertex of f (x)=-x^2+8x+7 is f(4)
azamat

Hello there.

To answer this question, we need to remember some properties about the vertex of quadratic functions.

Let f(x)=ax^2+bx+c,~a\neq0. Its vertex can be found on the coordinates (x_v,~y_v) such that x_v=-\dfrac{b}{2a} and y_v=-\dfrac{b^2}{4a}+c, in which y_v=f(x_v).

Using the coefficients given by the question, we get that:

x_v=-\dfrac{8}{2\cdot(-1)}\\\\\\ x_v=-\dfrac{8}{-2}\\\\\\ x_v=4

Thus, we have:

y=f(x_v)=f(4)

So the statement is true, because the x coordinate of the vertex of the function is equal to 4.~~\checkmark

7 0
2 years ago
Help it will really hep with summer school.
MakcuM [25]

Answer:

<h2> Hey, Option C is correct.....</h2>

3 0
3 years ago
Read 2 more answers
tom and tammy race cross country on motor bikes to drive 450 miles in 9 hours. Tammy took 7 1/2 hours to travel the same distanc
Scilla [17]

Answer:

50 and 60 mph respectively

Step-by-step explanation:

Step one:

given data

total distance= 450 miles

time take= 9 hours

Required

Tom and Tammy's average speed

Step two:

Tom's average speed= 450/9

= 50 miles per hours

Tammy's average speed= 450/7.5

= 60 miles per hours

7 0
3 years ago
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