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Akimi4 [234]
2 years ago
15

The test scores for the exam in statistics class have a mean of 78 points and standard deviation of 9 points. A student is rando

mly selected. Assuming the scores are normally distributed find the probability that the score is more than 95. write statement!
Mathematics
1 answer:
frutty [35]2 years ago
3 0

Answer: the answer is 809

Step-by-step explanation:

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The parallelogram below is being covered with carpet. The carpet is priced at $2.80 per square meter. How much will it cost to c
cestrela7 [59]

Answer:

It will cost $79.38 to carpet the shape

Explanation:

Find the diagram of the parallelogram attached

Area of a parallelogram = Base * Height

Given

Base = 8.1m

Height = 3.5m

Area of the parallelogram = 8.1*3.5

Area of a parallelogram  = 28.35m²

Since 1m² = $2.80

28.35m² = x

Cross multiply

x = 28.35 * 2.80

Hence it will cost $79.38 to carpet the shape

5 0
2 years ago
Suppose you receive a postcard from a good friend with a picture of the Golden Gate Bridge in San Francisco. The postcard is 3.5
Studentka2010 [4]

Answer:

Actual length of the Bridge = 8983.33 feet.

Step-by-step explanation:

The scale is 1 unit = 19,600.

Height of the postcard is 3.5 inches.

So, original height of the bridge = 3.5 × 19,600 = 68,600 inches

= 5716.67 feet

Width of the postcard is 5.5 inches.

So, original width of the bridge = 5.5 × 19,600 = 107,800 inches

= 8983.33 feet


8 0
2 years ago
Doug entered a canoe race
kenny6666 [7]

Answer:

he can row 2 miles in an hour

Step-by-step explanation:

When canoeing it takes about 20-30 minutes to row atleast 1 hour there are 2 sets of 30 minutes in an hour meaning he can row 2 miles

7 0
2 years ago
What is the solution to the given inequality?
SashulF [63]

1/2 - 1/4x ≥ -1/4

Combine 1/4x to get x/4:

1/2 - x/4 ≥ -1/4

Subtract 1/2 from both sides:

-x/4 ≥ -1/4 - 1/2

Simplify:

-x/4 ≥ -3/4

Multiply both sides by 4:

-x ≥ -3/4 * 4

-x ≥ -3

Multiply each side by -1 ( and since you are multiplying by -1, you also need to reverse the inequality sign)

Answer: x ≤ 3

5 0
3 years ago
Guys pls help me!!!!!!!
Maurinko [17]

Answer:

165°

Step-by-step explanation:

x+15=180

4 0
2 years ago
Read 2 more answers
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