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3 years ago

Help plz I don’t remember the formula we did this so long ago

Mathematics

1 answer:

finlep [7]3 years ago

4 0

Answer:

45 cm^2

Step-by-step explanation:

The formula you have written in pencil is correct.

Area = B*H

B = 9

H = 5

Area = 5*9

Area = 45 cm^2

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A triangle has sides with lengths of 48 meters, 51 meters, and 31 meters. Is it a right triangle?

Genrish500 [490]

Answer:

Step-by-step explanation:

Formula = a^2 + b^2 = c^2

Putting values

= (31)^2 + (48)^2 = (51)^2

= 961 + 2304 = 2601

= 3265 = 2601

Both sides are not equal so it is not a right triangle

4 0

3 years ago

A parking garage charges $4.50 for each hour you park. You have $18 in your pocket.

Eva8 [605]

Answer:

4 hours

Step-by-step explanation:

set up your equation

money to spend = charge per hour

18 = 4.50x

divide each side by 4.50

x = 4

4 hours

3 0

3 years ago

Read 2 more answers

Need some math help please!

stellarik [79]

Hello!

In our triangle, c is the hypotenuse. We are given an adjacent side length to our angle. This means we will use the cosine. Let's find it first.

cos54≈0.59

This gives us the equation below.

0.59=9/c

0.59c=9

c≈15.25

Therefore, c is equal to about 15.25

I hope this helps!

8 0

3 years ago

Read 2 more answers

1. Eight people work in an office. They are paid hourly rates of 12£,15£,15£,14£,14£,13£,14£,13£

bearhunter [10]

Answer:

mean=110/8 =13.75 pounds; median=14 pounds; mode=14 pounds; average=13.75 pounds

Step-by-step explanation:

mean=add all the numbers together to get total then divide that total by the number of amounts present 12, 15, 15, 14, 14, 13, 14, 13 =110, then 110/8=13.75 pounds

mode=arrange amounts in order (smallest to largest), then determine which amount appears more than the other amounts 12, 13, 13, 14, 14, 14, 15, 15 =14 appears the most

median=organize numbers from smallest to greatest, count how many there are, then determine which number appears in the middle of all of them 12, 13, 13, 14, 14, 14, 15, 15 = there are 8 numbers present but 14 is in the middle; answer =14

average= take total of mean, then divide it by the number of amounts that appear 110/8 =13.75

8 0

3 years ago

Is it A) , B) , C), D) , E)

Mrac [35]

Answer:

Part A) The statement is True

Part B) The statement is False

Part C) The statement is True

Part D) The statement is True

part E) The statement is False

Step-by-step explanation: