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masha68 [24]
3 years ago
12

Uhm helppp??????? :p

Mathematics
2 answers:
larisa [96]3 years ago
7 0
Round the fraction or moved number and then subtract
Anit [1.1K]3 years ago
3 0

Answer:

Estimating the difference of fractions and mixed numbers is similar to estimating sums. Round each fraction or mixed number and then subtract to find the estimate.

Step-by-step explanation:

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How many sides do 4 hexagons, 1 octagon, and 5 dodecagons have in all?
Vladimir79 [104]
Hexagon = 6 sides = 6 x 4 = 24 

Octagon = 8 sides = 8

Dodecagons = 12 x 5 = 60

24 + 8 + 60 =  92 IN TOTAL 
5 0
3 years ago
Read 2 more answers
Your company is considering submitting a bid on a major project. You determine that the expected completion time is 130 weeks an
Olenka [21]

Answer:

Option C) 146.5

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 130 weeks

Standard Deviation, σ = 10 weeks

We are given that the distribution of completion time is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(X<x) = 0.95

We have to find the value of x such that the probability is 0.95

P(X < x)  

P( X < x) = P( z < \displaystyle\frac{x - 130}{10})=0.95  

Calculation the value from standard normal z table, we have,  

P(z

\displaystyle\frac{x - 130}{10} = 1.645\\x = 146.45 \approx 146.5  

The project should be completed in 146.5 weeks or less.

Hence, 146.5 weeks should be set the due date such that there is a 95 percent chance that the project will be finished by this time.

7 0
3 years ago
Shirts are on sale at a price of $50 for 4. How many shirts can be purchased for $125?
cricket20 [7]
You can buy 10 shirts.
6 0
3 years ago
Maths. a. 12.5g of medicine cost 1,075naira. What is the cost of 1g of medicine. b. What is the total pay for someone who works
olya-2409 [2.1K]

Answer: I Hope some one helps you out

Step-by-step explanation:Y

5 0
3 years ago
Finding the missing angle measure
noname [10]
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Since <DAB = 55° and <CAB = 24°, subtract 24 from 55.
55 - 24 = 31
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3 years ago
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