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elena55 [62]
3 years ago
15

What is the area of this face? Pleaseeee help asap

Mathematics
2 answers:
4vir4ik [10]3 years ago
7 0

Answer: 40in2

Step-by-step explanation:

10×2×2

Maksim231197 [3]3 years ago
6 0
The answer is 28 because 10x2 is 20 and there are 2 2x2 which is 8 so 28.
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The long-distance calls made by the employees of a company are normally distributed with a mean of 6.3 minutes and a standard de
Sergio [31]

To solve this problem, we use the formula:

z = (x – u) / s

where z is the z score value which can be obtained from the tables, x is the sample value, u is the mean = 6.3 min, and s is the std dev = 2.2 min

 

at P value = 0.90, the z = 1.28, finding for x:

x = z s + u

x = 1.28 * 2.2 + 6.3

x = 9.116

 

at P value = 1.0, the z = 3.49, finding for x:

x = z s + u

x = 3.49 * 2.2 + 6.3

x = 13.978 ~ 14

 

Therefore the longest 10% calls last about 9.1 minutes to 14 minutes

3 0
3 years ago
The ratio of isabellas money to shanes money is 3:11. If isabella has $33, how much money do Shane and Isabella have together?
solong [7]
The ratio of Isabella’s money to Shane’s money is 3:11

Isabella has $33.   

We can make a proportion to solve for how much money Shane has.   
A proportion is two ratios that are set equal to each other.  

Let’s call Shane’s money ‘S’   

We get this proportion:   3/11 = 33/x   

If we cross multiply we get:   
(33) * (11) = (3) * (x)   

Simplifying it, we get:
363 = (3) * (x)   

Divide both sides by 3, we get:
x = 121   

However, the question asks how much money they have together. 

Isabella + Shane = Total
33 + 121 = $154   

<span>They have $154 together.</span>
4 0
3 years ago
180=2x+y which equation is used to find x
Serggg [28]
180=2x+y
180-y=2x
(180-y)/2=x
3 0
3 years ago
Your family went out to eat and the total bill was 68.50. If you leave a 15% tip, what is the total cost of the bill
KatRina [158]

Answer:

$ 78.78

Step-by-step explanation:

Calculate 15% of 68.50. then add it to the total bill.

6 0
3 years ago
Read 2 more answers
Someone help :d<br> look at the screenshot i inserted anything helps have a nice day :D
11111nata11111 [884]

Answer:

$18.24 (C)

Step-by-step explanation:

15.20 x 0.20 = 3.04

3.04 + 15.20 = 18.24

Hope this helped!

8 0
3 years ago
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