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Ymorist [56]
2 years ago
12

Help me please and thanks!!!!

Mathematics
1 answer:
astraxan [27]2 years ago
4 0

Answer:

The answer is B.

Step-by-step explanation:

so from R to S is 180 degrees and if R to P is 130 degrees then you need to subtract 180 from 130 which gives you 50.

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An aquarium in the shape of a right rectangular prism is 12.5 inches long, 6 inches wide and 8 inches high. What is the total am
attashe74 [19]

Answer:

The total amount of water needed is 540 cubic inches.

Step-by-step explanation:

A cubic prism has three dimension. Lenght l, width w and height h.

It's volume is:

V = l*w*h

In this question:

l = 12.5, w = 6, h = 8

Dimensions in inches, so the volume will be in cubic inches.

V = 12.5*6*8 = 600

The volume is 600 cubic inches.

What is the total amount of water needed, to the nearest cubic inch, to fill 90% of the aquarium with water?

This is 90% of 600. So

0.9*600 = 540

The total amount of water needed is 540 cubic inches.

4 0
3 years ago
What is 395,340 square feet of area minus an area of 110 x 30 feet?
azamat
The final area will be 392,040 square feet.

The area that is to be subtracted is 110 by 30. If we multiply those, we get 3300 square meet. Now, just subtract that from 395340.. 

395340 - 3300 = 392040
4 0
2 years ago
What is 5 1/2 minus 3 1/4
Brut [27]
5 1/2 - 3 1/4

11/2 - 13/4

22/4 - 13/4 = 9/4

your answer is 2 1/4

hope this helps
7 0
3 years ago
Read 2 more answers
Please explain and solve!!! You won't get points unless you explain!!!
konstantin123 [22]
Area of a rectangle of length L and width W is A = LW.

Here, A = 60 ft^2 = (12 ft)(2x-3  ft).  Let's find the values of x for which the area =60 ft^2, and then the values of x for which the area is greater than 60 ft^2.

60 = 12(2x-3) becomes 5 = 2x - 3 after dividing both sides by 12.

Adding 3 to both sides of this last equation results in 8 = 2x, so x = 4.

Does (12 ft)(2[4 ft] - 3) = 60?  Does (12 ft)(5 ft) = 60 sq ft?  YES.

The area of this rectangle will be greater than 60 sq ft if x>4 ft.  (answer)
4 0
3 years ago
A recent study claimed that half of all college students "drink to get drunk" at least once in a while. Believing that the true
lara [203]

Answer: Hypothesis testing

Step-by-step explanation:

In statistics , Hypothesis testing is a general procedure to check the results of a experiment or a survey to confirm that they have actual and valid  results.

Given claim : A recent study claimed that half of all college students "drink to get drunk" at least once in a while. By believing that the true proportion is much lower, the College Alcohol Study interviews an SRS of 14,941 college students about their drinking habits and finds that 7,352 of them occasionally "drink to get drunk".

Here the College Alcohol Study is just testing the results of the survey .

Hence, this is is s a type of Hypothesis testing.

4 0
3 years ago
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