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3 years ago

Amber has 2 red crayons,5 blue crayons,and 4 yellow crayons.how many crayons does she have

2 answers:

6 0

All you have to do is addition. 2+5+4=11. Or you can break it down and go 2+5=7 and then 7+4=11. Or 5+4=9 then 9+2=11. Or 4+2=6 then 6+5=11.

kirill115 [55]3 years ago

5 0

You only need to add 5+2+4=11

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You invested $20,000 in two accounts paying 7% and 8% annual interest, respectively. If the total interest earned for the year

sasho [114]

Answer:

$7,000 at 7%; $13,000 at 8%

Step-by-step explanation

x: the amount invested at 7%

y: the amount invested at 8%

x + y = 20,000

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⇒ x =7,000

y = 13,000

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3 years ago

Solve the proportion. i need help.<br> x+3/6=8/3<br><br> x=?

stellarik [79]

Answer:

x = 2 1/6 (13/6)

Step-by-step explanation:

to solve the proportion you must first find the LCF or least common factor

that is 6

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2 years ago

Read 2 more answers

The mean of the following data is 509.

Ganezh [65]

If the mean value of the data set is 509. Then the mean absolute deviation (MAD) for the data set will be 51.5.

<h3>What is the mean absolute deviation?</h3>

It is the average distance between each data point and the mean.

The mean of the following data is 509.

{419, 450, 462, 499, 520, 521, 589, 612}

Then the mean absolute deviation (MAD) for the data set will be

$\rm MAD =\dfrac{1}{n}\sum_{i=1}^{n}\left|x_i - \mu \right|$

We have

μ = 509

n = 8

Then

$\rm MAD =\dfrac{1}{8} \times (|419 - 509| + |450- 509| + ..... + |612 - 509|) \\\\MAD = 51.5$

More about the mean absolute deviation link is given below.

brainly.com/question/10258446

#SPJ1

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2 years ago