MATHEMATICS MIDDLE SCHOOL

Complete the equivalent ratio table.

Answers

Answer 1

Answer:

Answer:

10, 45, 63

Step-by-step explanation:

Answer 2

Answer: it should be 10 45 63 my guy

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Factor each expression 32+16x

Answers

32 + 16x
= 16 x 2 +16x
= 16(2+x)

32 + 16x = 16(x+2)

Your final answer is 16(x+2).

Using the polynomials Q = 3 x2 + 5 x - 2, R = 2 - x2 , and S = 2 x + 5, perform the indicated operation. Q - [ R + S ]

Answers

Answer:

4x^2 + 3x - 9

Step-by-step explanation:

First, add together functions R(x) and S(x). Stack them vertically and combine like terms:

R(x) = 2 - x^2

S(x) = 2x + 5

------------------

(R+S)(x) = -x^2 + 2x + 7

Now subtract the above result from Q(x):

Q(x) - (R(x) + S(x)) = 3x^2 + 5x - 2 + x^2 - 2x - 7, or 4x^2 + 3x - 9

Quick problem to check!

Answers

To find the rate of change, also known as the slope, we can use the slope formula with these two given points.

Point 1: (20, 25)

Point 2: (50, 40)

(40 - 25) / (50 - 20)

15 / 30

0.5

The rate of change of this function is $0.50 / lb.

Hope this helps!! :)

3) Katie leaves a 25% tip ona restaurant bill of $82.OO Including the tip, what is the total amount of her bill?

Answers

1way

100% + 25% = 125% =1,25
82$ * 1,25 = 102,5$ whole
.....................................................................
2way

100% = 82$
25% = 0,25 = ?

82$ * 0,25 = 20,5$
100% + 25% = 82$ + 20,5$ = 102,5$ whole

................................................................
2way

82$ * (1 + 0,25( = 82$ * 1,25 = 102,5$

You need to multiply $82 by 0.25 (which is 25%). You get $20.50. Just add $82 and $20.50 to get your total cost of the bill. It'll be $102.50

Find the equation of the line perpendicular to the line y=4x+5, passing through the point (0,-3)

Answers

Answer:

y=-0.25x-3

Step-by-step explanation:

-3=-1/4*0+b

b=-3

Gary invested $1,000 into an account earning interest at an annual rate of 5% compounded annually. Each year, he deposited an additional $1,000, and made no withdrawals. When he closed the account, he had a balance of $4,525.64. How much interest would Gary earn in that same time if he invests $10,000 and deposits $10,000 into the account each year?

Answers

so first we need to find out how much interest he earned a year so 525.64 divided by 4 which is 131.41 in interest a year so that 5% percent

so 10000 $ for 4 year he would earn 1900.5 so he would have 11,900.5

IM SORRY IT TOOK SO LONG

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