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2 years ago

5

That base of a square pyramid has side lengths of 9 inches. The height of the pyramid is 21 inches. What is the Volume of the py

ramid?

1 answer:

Paha777 [63]2 years ago

8 0

Answer:

what is the base width ? the formula is : l x w x h /3

Step-by-step explanation:

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Someone help PLEASE

Iteru [2.4K]

Answer:

<h2>Q4. (-7)</h2><h2>Q5. (-8)</h2>

Step-by-step explanation:

The perfect square:

$(a+b)^2=a^2+2ab+b^2$

Q4

We have

$y^2+14y+49=0\\\\y^2+2(y)(7)+7^2=0\\\\(y+7)^2=0\iff y+7=0\qquad\text{subtract 7 from both sides}\\\\\boxed{y=-7}$

Q5

We have

$y^2+16y+64=0\\\\y^2+2(y)(8)+8^2=0\\\\(y+8)^2=0\iff y+8=0\qquad\text{subtract 8 from both sides}\\\\\boxed{y=-8}$

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2 years ago

Guys please help me this is due tonight thanks

elena-s [515]

Answer:

the student in question bought 3 large notebooks and 3 small notebooks

Step-by-step explanation:

the easiest way to explain how to do this is by recognizing that the student bought $54 worth of notebooks- which is not divisible by 10 easily. that means, we should subtract 8 from 54 until we get a number that IS divisible

54 - 8 = 46 (one small notebook)

46 - 8 = 38 (two small notebooks)

3 8 - 8 = 30 (three small notebooks)

then, divide 30 by 10 to see how many large notebook the student bought.

30/10 = 3

the student in question bought 3 large notebooks and 3 small notebooks

4 0

2 years ago

Alexis divided a 1 3/4 pound bag of apples among 3 friends. how many pounds of apples did each friend receive?

hammer [34]

Answer:
Each friend received 7/12 of a pound.
Explanation:
(In picture below)
Hopefully this helps :3 sorry if wrong :( Plz mark brainiest if correct :D Your bootiful/handsome! Have a great day luv <3
-Bee~

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2 years ago

2.96 as a mixed number or fraction in simplest form

Katena32 [7]

Answer:

74/25

or

2 24/25

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2 years ago

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Can someone help me (7th grade science) need to be done as soon as possible

tangare [24]

Answer:

oouu I'm in 7th grade science and I already did this I can help!

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2 years ago