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3 years ago

PLEASE HURRY ILL YOU MARK BRAINLIEST

Mathematics

2 answers:

Fofino [41]3 years ago

7 0

Answer:

bug a

Step-by-step explanation:

bug a: 4.5/2=2.25

bug b: 6/3=2

bug a is faster by .25 seconds

sveta [45]3 years ago

5 0

Answer:bug b

Step-by-step explanation:

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4 years ago

Solve for y 5(y 4)-7y=8

Naily [24]

The answer is y = - 3

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3 years ago

Find the sum of the equation

stealth61 [152]

Answer:

$\frac{{y}^{2}+13y-6}{{(y-1)}^{2}(y+7)}$

Step-by-step explanation:

1) Rewrite ${y}^{2}-2y+1y$ in the form ${a}^{2}-2ab+{b}^{2}$ , where a = y and b = 1.

$\frac{y}{{y}^{2}-2(y)(1)+{1}^{2}}+\frac{6}{{y}^{2}+6y-7}$

2) Use Square of Difference: ${(a-b)}^{2}={a}^{2}-2ab+{b}^{2}$ .

$\frac{y}{{(y-1)}^{2}}+\frac{6}{{y}^{2}+6y-7}$

3) Factor ${y}^{2}+6y-7$ .

1 - Ask: Which two numbers add up to 6 and multiply to -7?

-1 and 7

2 - Rewrite the expression using the above.

$(y-1)(y-7)$

Outcome/Result: $\frac{y}{(y-1)^2} +\frac{6}{(y-1)(y+7)}$

4) Rewrite the expression with a common denominator.

$\frac{y(y+7)+6(y-1)}{{(y-1)}^{2}(y+7)}$

5) Expand.

$\frac{{y}^{2}+7y+6y-6}{{(y-1)}^{2}(y+7)}$

6) Collect like terms.

$\frac{{y}^{2}+(7y+6y)-6}{{(y-1)}^{2}(y+7)}$

7) Simplify ${y}^{2}+(7y+6y)-6y$ to ${y}^{2}+13y-6y$

$\frac{{y}^{2}+13y-6}{{(y-1)}^{2}(y+7)}$

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2 years ago

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Fudgin [204]

Answer:

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Step-by-step explanation:

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3 years ago

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Sam's employer deducts 20% in payroll and state taxes from his base salary before writing his paycheck. Sam's monthly paycheck i

Radda [10]

Part A: $1920 because if you change 20%to .2 then .2*1600= 320 and 320+1600=1920
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3 years ago