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just olya [345]

3 years ago

11

Find (a) the perimeter and (b) the area of the figure. Use 3.14 or 22 22 for 1. Round your answer to the nearest hundredth, if n

ecessary.

1 answer:

Vedmedyk [2.9K]3 years ago

3 0

Step-by-step explanation:

i dont know

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I WILL GIVE BRAN;IEST IMAGE BELOW

tino4ka555 [31]

Answer:

21/100 or 0.21

Step-by-step explanation:

21 8th graders have a cell phone and don't have a tablet out of 100 students.

10 0

2 years ago

Read 3 more answers

On a finance exam, 15 accounting majors had an average grade of 90. On the same exam, 7 marketing majors averaged 85, and 10 fin

lilavasa [31]

Answer:

89.84375

Step-by-step explanation:

Given that on a finance exam, 15 accounting majors had an average grade of 90. On the same exam, 7 marketing majors averaged 85, and 10 finance majors averaged 93.

To find weighted mean.

Here weights can be considered as number of majors in each subject

$Marks x 90 85 93\\Weights 15 7 10\\Product 1350 595 930\\$

Weighted total = 1350+595+930 = 2875

Weighted mean = weighted total/total students

$=\frac{2875}{32} =89.84375$

6 0

3 years ago

5x+3 (x-2)=90<br>please tell me the answer

Yuliya22 [10]

5x+3(x-2)=90
5x+3x-6=90
8x-6=90
+6 +6
8x=96
\8 \8
X=12

3 0

3 years ago

?what is the answer??????

Ierofanga [76]

Answer:

nx^(n-1).

Step-by-step explanation:

d/dx (x^n)

We multiply by n than subtract 1 from the exponent (n):

= n x^(n-1)

Numerical examples:

d(x^3) dx = 3 * x^(3-1)

= 3x^2.

d(2x^5)/dx = 5*2 x^(5-1)

= 10x^4.

8 0

3 years ago

6 1/5 + (-7 3/5)

GREYUIT [131]

Since you are subtracting a negative you can do it this way. do 7 3/5 - 6 1/5. that leaves you with 1 2/5. so in the end you will have -1 2/5

5 0

3 years ago