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Ierofanga [76]
3 years ago
12

3 people can build a shed in 8 hours how long would it take 5 people give your answer in minutes

Mathematics
1 answer:
dangina [55]3 years ago
6 0

Answer:

798 minutes

Step-by-step explanation:

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AlekseyPX
3.16 use a calculator on these it will help out in not needing to wast a lot of paper
3 0
3 years ago
I Need help with question 21 and 22 !
USPshnik [31]
11) First, add 74 and 43.

74+43=117

Subtract 117 from 180. Do this because this will give you the value of angle 1. This is because the sum of the angles in a triangle will always add up to 180 degrees.

180-117=63

Angle 1 = 63 degrees

Angle 2 also equals 63 degrees, because they are vertical angles.

Angle 2= 63 degrees

Now, add 63 and 79

63+79=142

Subtract 142 from 180

180-142=38

Angle 3 = 38 degrees

12)

First, subtract 56 from 180. Do this to find angle C. They are supplementary angles, so they will equal 180 degrees.

180-56=124

Angle C=124 degrees

Now, add 124 and 20

124+20=144

Finally, subtract 144 from 180

180-144=36

The measure of angle A is 36 degrees

Hope this helped! :)


7 0
3 years ago
5^4-x^2+x-2 divided by x - 2
bekas [8.4K]

Answer: x −x  3  +x  2  +623x−2

​

Step-by-step explanation:

5 0
3 years ago
A 99% confidence interval for the sugar content (per 5 oz. serving) of a shipment of strawberries is 5.9 to 8.3 grams.
gavmur [86]

Answer:

Sample mean = 7.1

Margin of error = 0.465

Step-by-step explanation:

Formula for confidence interval is;

CI = x¯ ± zE

Where;

x¯ is sample mean

z is critical value at confidence level

E is margin of error.

z for 99% Cl is 2.58

We are told the CI is 5.9 to 8.3.

Thus;

5.9 = x¯ - 2.58E - - - - (1)

8.3 = x¯ + 2.58E - - - - (2)

Add both equations together to get;

14.2 = 2x¯

x¯ = 14.2/2

x¯ = 7.1

Put 7.1 for x¯ in eq 1 to get;

5.9 = 7.1 - 2.58E

7.1 - 5.9 = 2.58E

E = 1.2/2.58

E = 0.465

5 0
3 years ago
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lesya692 [45]
Add the amount of choices, and divide by the number of customers surveyed.

40 + 32 + 8 + 20 = 100

40 customers were surveyed

100/40 = 2.5

The average number should be D) 2.5

hope this helps
6 0
3 years ago
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