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DerKrebs [107]
3 years ago
8

James answered 84% of the test questions correctly. He answered 21 questions correctly. How many questions were on the test?

Mathematics
1 answer:
Dimas [21]3 years ago
3 0
There were 25 questions. 21/25 x 100 = 84%
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PLZ ANSWER 75 POINTS FAST!!!!!!!!!!!!!!!!
Contact [7]

Answer:

6 inches

Step-by-step explanation:

The volume of a triangular pyramid can be found using

v=1/3bh

where b is the area of the base, and h is the height

We know the volume is 12, so let's find the area of the base

The area of a triangle can be found using:

a=bh/2

We know the base is 4, and the the height is 3, so we can substitute them in

a=4*3/2

a=12/2

a=6

Now, we can solve for the height

v=1/3bh

Substitute 12 in for v, and 6 in for b

12=1/3(6h)

Multiply both sides by 3

3*12=1/3(6h)*3

36=6h

Divide both sides by 6

h=6

The height is 6 inches

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3 years ago
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vodomira [7]
I would think miles per hour would be the best units to use because that is what the speedometer of a car is read in. Hope this helped! comment back with any questions you still have!
7 0
3 years ago
Simplest form of -1 5/8 divided by 5 8/9
Crank

Answer:

the answer is -117/424, hope this helps :)

7 0
3 years ago
If gk=30 what are gh and jk?
Citrus2011 [14]
Not enough information is given
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3 years ago
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If Triangle ABC has vertices A (-1,1), B (4,4) and C (-5,6), and is dilated by the rule (4x, 4y) what would the coordinates of A
olasank [31]

Answer:

(-4,4)

Step-by-step explanation:

So since the rule is (4x, 4y) all you have to do is multiply. -1 x 4 = -4 and 1 x 4 = 4.

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3 years ago
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