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DochEvi [55]
3 years ago
6

Find the volume of the composite figure. Round to the nearest tenth. The base of each pyramid is a square with a side length of

5 inches and each pyramid has a height of 9 inches.
Mathematics
1 answer:
nataly862011 [7]3 years ago
5 0

Answer:

75 cubic inches

Step-by-step explanation:

Given:

The base of each pyramid is a square with a side length of 5 inches

Height of of pyramid is 9 inches.

To find: volume of the pyramid

Solution:

As the base of each pyramid is a square with a side length of 5 inches,

length of the pyramid (l) = base of the pyramid (b) = 5 inches

Height of of pyramid (h) = 9 inches

Volume of the pyramid (V)=\frac{lbh}{3}

On putting values of l, b and h, we get

V=\frac{5\times 5\times 9}{3}=75 cubic inches

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Serggg [28]
I hope this helps you



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x^2+12x+36=39+x


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6 0
3 years ago
Read 2 more answers
8(s+3)=72 i need help it is due tomorrow
Montano1993 [528]

Answer:

s = 6

Step-by-step explanation:

8(s+3) = 72

Expand the brackets out:

(8 x s) + (8 x 3) = 72

8s + 24 = 72

Now you get rid of 24 on the left, by taking away 24. But you also have to do the same on the right side so that both sides are equal:

8s + 24 = 72

left(-24) = right (-24)

So that leaves you with:

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Now divide both sides by 8 to make them equal and to get s on its own:

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left(/8) = right (/8)

Therfore:

s = 6


3 0
3 years ago
If x-1/3 = k and k = 3, what is the value of x ?<br> A) 2<br> B) 4<br> C) 9<br> D) 10
Semenov [28]

Answer:

None of the above

Step-by-step explanation:

x-1/3 = k

We know that k=3, so we can substitute that into the equation

x-1/3 = 3

Add 1/3 to each side

x-1/3 + 1/3 = 3+1/3

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7 0
3 years ago
A large mixing tank currently contains 225 225 gallons of water, into which 5 5 pounds of sugar have been mixed. A tap will open
kkurt [141]

Answer: Hello mate!

you put every number twice, I will consider that in this problem we have:

225 gallons of water initial with 5 pounds of sugar. then each minute you add 20 gallons of water and 4 pounds of sugar.

the concentration is defined as pounds of sugar divided by the gallons of water. The gallons of water are 225 initially and 20 per minute, this is written as 225 + 20tt, where t is the minutes. The pounds of sugar is 5 + 4 per minute, then this can be written as 5 + 4t

C(t) = \frac{5 + 4t}{225 + 20t}

this is the equation that describes the concentration in pounder per gallon after t minutes.

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20-%203y%20%7B%7D%5E%7B2%7D%20%3D%20%20-%2075" id="TexFormula1" title=" - 3y {}^{2} = - 75"
Paraphin [41]

Answer:

The answer will turn out to be y= 5 or y= -5.

7 0
3 years ago
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