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3 years ago

Megan slept for 7.5 hours. What is this in hours and minutes?

Mathematics

2 answers:

alexira [117]3 years ago

8 0

.5 means half so in an hour there is 60 mins. And 60 mins divided by 2 is 30 mins .
So 7 hours and 30 minutes

exis [7]3 years ago

7 0

Answer:

7 hours and 50 minutes

7.5 is equal to 7 hours and 50 minutes

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3. Find the volume of the pyramid.

Gnoma [55]

Answer:

$916.11\:ft^{3}$

Step-by-step explanation:

Volume of the hexagonal pyramid = $1/3\times (area\: of \: hexagonal\:base)\times height$

Here sides of hexagonal base = 9 ft

So, Area of hexagon = $6\times \frac{\sqrt{3} }{4} a^{2}$

$6\times \frac{\sqrt{3} }{4} \times 9 \times 9$

$= 210.5$

Height is given, 13 ft

So, volume = $1/3\times 210.5\times 13$

$= 916.11\: ft^{3}$

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2 years ago

What is the area of the rectangle?

dedylja [7]

Answer:

Step-by-step explanation:

11 x 2 = 22

5 0

3 years ago

Read 2 more answers

Find the quotient. HELP ASAP PLEASE!!

telo118 [61]

-4/9/-1/3=4/3
HOPE THIS HELPED! IM NOT THAT GREAT AT MATH! SORRY IF IM WRONG!

3 0

2 years ago

Three times a number minus thirty-two

lbvjy [14]

Answer:

3n−32=7n+28

n=-15

Step-by-step explanation:

Let's solve your equation step-by-step.

3n−32=7n+28

Step 1: Subtract 7n from both sides.

3n−32−7n=7n+28−7n

−4n−32=28

Step 2: Add 32 to both sides.

−4n−32+32=28+32

−4n=60

Step 3: Divide both sides by -4.

−4n/−4=60/−4

n=−15

3 0

2 years ago

Simplify 1/2 + 2/3 x 1 1/3

Blizzard [7]

My work to your question

6 0

3 years ago