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3 years ago

6

The dot plot below shows how many apple slices each girl at kaylas party ate which of the following represents the mean of the a

mount of apple slices eaten?

1 answer:

katovenus [111]3 years ago

8 0

The answer to this question is 5.

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Lynn gave her nail technician a $5.10 tip. The tip was 15% of the cost of the manicure. Write an

satela [25.4K]

Answer:

Step-by-step explanation:

b x .15 = 5.10

b=5.10/.15

b=34

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2 years ago

Three pounds of mash potatoes make eight equal-size servings of mashed potatoes. How many pounds of potatoes are in each serving

Murrr4er [49]

Three, divided by 8. 3/8. or .375 pounds.

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3 years ago

You estimate that your new business's revenue will grow at a compounded rate of 30% each month for the first 6 months. If your t

neonofarm [45]

Answer:

b

Step-by-step explanation:

The formula for calculating future value:

FV = P (1 + r)^n

FV = Future value

P = Present value

R = interest rate

N = number of years

let a = second month's revenue

5000 = a(1.3)

a = 5000 / 1.3 = 3846

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2 years ago

the length of a rectangle is 8cm more than the width and its area is 172cm2 .find the width of the rectabgle

nikdorinn [45]

$l-the\ length\\l+8-the\ width\\A=172\ cm^2\\\\A=lengtf\cdot width\\\\subtitute\\\\l(l+8)=172\\\\l^2+8l=172\ \ \ |subtract\ 172\ from\ both\ sides\\\\l^2+8l-172=0\\a=1;\ b=8;\ c=-172\\\\\Delta=b^2-4ac\\\\\Delta=8^2-4\cdot1\cdot(-172)=64+688=752 > 0\\\\l_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ l_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{752}=\sqrt{16\cdot47}=4\sqrt{47}\\\\l_1=\dfrac{-8-4\sqrt{47}}{2\cdot1}=-4-2\sqrt{47} < 0\\\\l_2=\dfrac{-8+4\sqrt{47}}{2\cdot1}=-4+2\sqrt{47} > 0\\\\The\ width:l+8=-4+2\sqrt{47}+8=4+2\sqrt{47}\\\\Answer:\boxed{length=(2\sqrt{47}-4)cm;\ width=(4+2\sqrt{47})cm}$
$length\approx9.71cm;\ width\approx17.71cm$

4 0

3 years ago

What is the solution to the linear equation? = -12 + 3b - 1 =-5 - b

zalisa [80]

Answer:

b = 2

Step-by-step explanation:

hope it works

4 0

3 years ago

Read 2 more answers