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2 years ago

7

the perimeter of a square is 4 times greater than the left of any sides determine whether perimeter of square proportional to th

e size of lift explained

1 answer:

pshichka [43]2 years ago

7 0

A square has equal sides

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Jenny borrowed money from her mother to help pay for some bills. Her mother told her that she could borrow $1,200 at an interest

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1 year ago

-1(2x+3)-2(x-1) simplified

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2 years ago

Choose the correct simplification of 8x2(4x 2x2 − 1). (5 points) group of answer choices 32x4 − 16x3 8x2 32x4 16x3 − 8x2 16x4 −

nekit [7.7K]

The second option is the correct answer

$16x^{4}+40x^{3} -24x^{2}$

The expression given to us is:

$8x^{2} (5x+2x^{2}-3 )$

Herein, we can simplify it by opening up the bracket and multiplying each term inside the bracket by the term which is outside the bracket.

Thus, we get:

$8x^{2} (5x+2x^{2}-3 )=8*5x^{2+1} +8*2x^{2+2}-8*3x^{2}$

$40x^{3} +16x^{4}-24x^{2}$

Rearranging the above expression in descending order of power we get:

$16x^{4}+40x^{3} -24x^{2}$

From the given options we can see this is the second option. Hence the second option is the correct answer.

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1 year ago

Is 3.2 irrational or rational?

Levart [38]

Answer:

rational

Step-by-step explanation:

A rational number has the form

$\frac{x}{y} \frac{a}{b}$ ← where a and b are integers

3.2 = $\frac{32}{10}$ ← a rational number

6 0

2 years ago

Read 2 more answers

Need help with the steps for 15 and 17

Julli [10]

15. 2x+4y=5
Since you want to put it into y-intercept format (y=mx+b) first you want to minus 2x on both sides making it 4y= -2x+5, following you will divide by 4 on both sides making it y= -1/2x+ 5/4(1.25). The slope being -1/2x and the y-intercept hitting 1.25 on the y-axis.
17. 3x-3y=5. Like question 15 you will have to put it into y=mx+b format. So first you would minus 3x on both sides becoming -3y = -3x+5 then do the following: divide by -3 on both sides making the answer Y= x-5/3(-1.66666667) you can round it up to -1.67. Overall the answer should be y=x-1.67. 1.67 being the y-int meaning the line meets the y-axis at 1.67 and the slope being 1/1 to help you form the line.

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2 years ago