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2 years ago

Question 18 of 40 5 Simplify (4-2)5

Mathematics

1 answer:

Elina [12.6K]2 years ago

5 0

The answer is 10. 4-2= 2 then multiply by 5.

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the probability of a radar station detecting an enemy plane is 62%. if 50 stations are in use what is the probability of exactly

podryga [215]

This is binomial probability with n=50 and p=0.62.

We want binom(50,0.62,35).

One way to calculate this is to use a calculator with statistical functions.

My TI-83 Plus turned out the result 0.061.

7 0

3 years ago

Please help due ASAP <br> Please show workings!!

Kazeer [188]

Answer:

FC = 27, QC = 18

Step-by-step explanation:

The centroid Q is $\frac{1}{3}$ the way along CF , therefore, QF is half as long as CQ

Given FQ = 9, then

QC = 2 × 9 = 18

FC = FQ + QC = 9 + 18 = 27

8 0

2 years ago

Beth works 8 2/4 hours, drives 1 1/4 hours, cooks 3/4 hours, and sleeps 7 2/4 hour's each day. How many hours of free time does

Jobisdone [24]

--------------------------------------------------------------------
Total time spent on work, drive cook and sleep
--------------------------------------------------------------------

$8 \frac{2}{4} + 1 \frac{1}{4} + \frac{3}{4} + 7 \frac{2}{4}$

$= 16 \frac{8}{4}$

$= 18$

------------------------------------------------------------------
Calculate Free Time
------------------------------------------------------------------
24 - 18 = 6

------------------------------------------------------------------
Answer: 6 hours of free time
------------------------------------------------------------------

5 0

3 years ago

What is the total cost with sales tax? $370.00 tax 5%

kolezko [41]

Answer: $388.5

Step-by-step explanation:

Total cost = cost + sales tax

Given that cost = $370

Sales tax = 5% of $370

5/100 × 370 = $18.5

Total cost = $370 + $18.5

= $388.5

I hope this is clear.

4 0

3 years ago

A picture frame is 9 inches long and 6 inches wide. It can display a picture 6 inches long and 4 inches wide. What is the area o

nasty-shy [4]

Area of Frame and Picture
Area = L * W
L = 9
W = 6
Area = 9*6 = 54 in²

Area of Picture
Area = L*W
L = 6
W = 4
Area = 6 * 4
Area = 24 in²

Area of Frame
Area of Frame = Total Area - Picture Area
Area of Frame = 54 - 24
Area of Frame = 30 in²

8 0

3 years ago