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3 years ago

The length of a rectangle is 2 feet less than 5 times the width. If the perimeter is 32 feet, find the width of the rectangle

Mathematics

2 answers:

DanielleElmas [232]3 years ago

7 0

Answer:

Step-by-step explanation:

hope it helps

ryzh [129]3 years ago

7 0

Answer:

Step-by-step explanation:

"3" * 5 = 15. 15 - 2 = 13. 13 * 2 =26. "3" * 2 =6. 26 + 6 = 32

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student randomly receive 1 of 4 versions(A, B, C, D) of a math test. What is the probability that at least 3 of the 5 student te

alexdok [17]

Answer:

1.2%

Step-by-step explanation:

We are given that the students receive different versions of the math namely A, B, C and D.

So, the probability that a student receives version A = $\frac{1}{4}$ .

Thus, the probability that the student does not receive version A = $1-\frac{1}{4}$ = $\frac{3}{4}$ .

So, the possibilities that at-least 3 out of 5 students receive version A are,

1) 3 receives version A and 2 does not receive version A

2) 4 receives version A and 1 does not receive version A

3) All 5 students receive version A

Then the probability that at-least 3 out of 5 students receive version A is given by,

$\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{3}{4}\times \frac{3}{4}$ + $\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{3}{4}$ + $\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}$

= $(\frac{1}{4})^3\times (\frac{3}{4})^2+(\frac{1}{4})^4\times (\frac{3}{4})+(\frac{1}{4})^5$

= $(\frac{1}{4})^3\times (\frac{3}{4})[\frac{3}{4}+\frac{1}{4}+(\frac{1}{4})^2]$

= $(\frac{3}{4^4})[1+\frac{1}{16}]$

= $(\frac{3}{256})[\frac{17}{16}]$

= 0.01171875 × 1.0625

= 0.01245

Thus, the probability that at least 3 out of 5 students receive version A is 0.0124

So, in percent the probability is 0.0124 × 100 = 1.24%

To the nearest tenth, the required probability is 1.2%.

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3 years ago

I WILL GIVE U BRIANLIEST THING!!!

Allisa [31]

Answer:

y=6x+5

Step-by-step explanation:

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2 years ago

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mike says 3/3 of his fraction model is shaded blue. Ryan says 6/6 of the same model is shaded blue . are the two fractions equiv

Jet001 [13]

Yes, they are equivalent. Another equivalent fraction would be any fraction that equals to 1. Eg. 9/9

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3 years ago

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PLEASE HELP ME!!!!!!!!

hjlf

The Answer Is 60
2.5 x 8 The Number Of Sides On That Shape Was 8
2.5 x 8 = 20
20 times the radius 3
20 x 3 = 60
60cm^2

~Hope This Helps :)
Need More Help With Question Just Inbox Me
Also Rate, Give Thanks, And Mark As Brainiliest.
Thank You ;)

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3 years ago

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zzz [600]

Answer:

See below.

Step-by-step explanation:

Substitute the value for the variable and solve.

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3 years ago

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