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3 years ago

PLEASE HELP DUE IN 1 HOUR IT WILL GIVE YOU 36 POINTS

Mathematics

2 answers:

PtichkaEL [24]3 years ago

8 0

Hmmm interesting.. but yeah the guy above me is correct.

DochEvi [55]3 years ago

6 0

I got this, I hope it solves your question

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Perform each indicated operation

MissTica

Answer: $\frac{x+6}{x-4}$

Step-by-step explanation:

First you need know some general formuals of factorization such as

$x^3+y^3=(x+y)(x^2-xy+y^2)$ so you have $x^3+64=X^3+4^3=(x+4)(x^2-4x+4^2)$

And, $x^2-y^2=(x-y)(x+y)$ so you have $2x^2-32=2(x^2-16)=2(x^2-4^2)=2(x+4)(x-4)$

If you use them, then you can modify your equations such as

$\frac{x^3+64}{2x^2-32}$ ÷ $\frac{x^2-4x+16}{2x+12}$ = $\frac{(x+4)(x^2-4x+4^2)}{2(x+4)(x-4)}$ ÷ $\frac{x^2-4x+16}{2(x+6)}$ = $\frac{(x+4)(x^2-4x+4^2)}{2(x+4)(x-4)} . \frac{2(x+6)}{{x^2-4x+16}} = \frac{1}{x-4}.\frac{x+6}{1}=\frac{x+6}{x-4}$

4 0

3 years ago

A rugby team played six games.

Schach [20]

Step-by-step explanation:

mean score means the sum of all 6 scores divided by the number of games : 6.

sum6/6 = 15

sum6 = 15×6 = 90

(sum6 + x)/7 = 16

sum6 + x = 16×7 = 112

90 + x = 112

x = 22

they scored 22 points in the 7th game.

3 0

2 years ago

The product of a number and four, increased by 5.

german

I’m pretty sure the answer is 4x+5

3 0

1 year ago

Read 2 more answers

A bus travels with a constant speed of 48 miles per hour. How long will it take to travel 60 miles? Write your answer as a decim

agasfer [191]

Answer:

1.25 hours, I think?

Step-by-step explanation:

60 miles divides by 48 per hour.

5 0

3 years ago

Read 2 more answers

48 + 6m use the GCF to rewrite the expression

Mrrafil [7]

Move all terms containing m to the left all other terms to the right 48+-6m=6m+-6m
48+-6m=0

7 0

2 years ago