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wolverine [178]

2 years ago

12

Write each number as a product of prime numbers

1 answer:

Nutka1998 [239]2 years ago

5 0

16 = 2^4

${2}^{4}$

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Hoang has worked as a nurse at Springfield General Hospital for 7 years longer than her friend Bill. Two years ago, she had been

Evgesh-ka [11]

Answer:

$Bill\to 9\ years$

$H \to 16\ years$

Step-by-step explanation:

Let

$H \to Hoang$

$B \to Bill$

Currently:

$H = B + 7$

Two years ago

$H - 2 = 2 * (B -2)$

Required

H and B

We have:

$H - 2 = 2 * (B -2)$

Open bracket

$H -2 =2B - 4$

Add 2 to both sides

$H -2+2 =2B - 4+2$

$H =2B -2$

Substitute $H = B + 7$

$B + 7 =2B -2$

Collect like terms

$2B - B =7+2$

$B = 9$

Substitute $B = 9$ in $H = B + 7$

$H = B + 7$

$H = 9 + 7$

$H = 16$

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2 years ago

What is the slope of the line through the points (-4, 2) and (-16, -6)?

Effectus [21]

Answer:

A: 2/3

Step-by-step explanation:

7 0

2 years ago

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Simplify the expression

ycow [4]

Answer:

4k(2k² - 5k - 4) + 5(2k² - 5k - 4)

8k³ - 20k² - 16k + 10k² -25k - 20

8k³ - 10k² - 41k - 20

Thus its G

7 0

2 years ago

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Find the quotient: 170.28 ÷ 0.08<br> - no calculater it gives wrong answer-

Brut [27]

Answer:

2128.5

Step-by-step explanation:

maybe this is the answer, i used calculator

6 0

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Find the area of a circle whose radius is 3 1/2(three whole number one over two)

nasty-shy [4]

Answer:

38.5 in²

Step-by-step explanation:

Area of circle= πr², where r is the radius

Substitute the value of the radius into the formula above:

Area of circle

= π(3.5)²

= 12.25π

= 38.5 in² (3 s.f.)

7 0

2 years ago