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3 years ago

9

A rectangular aquarium that is 3 inches wide, 9 inches long and 12 inches tall. If water is filled up to 9 inches, how much more

water can be put in the aquarium to make it full

1 answer:

bixtya [17]3 years ago

4 0

Answer:

81 inches^3

Step-by-step explanation:

The empty space at the top is

3 inches wide by 9 inches long by (12-9) inches tall

3*9*3 = 81 inches^3

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If you can answer 10, 11, and 12 for me that would be awesome. (12 multiply choice would be in the comments)

fenix001 [56]

10: 3
11: 2
and can’t see 12

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3 years ago

What is equation is equivalent to 6(3p-2)=20?

Simora [160]

Answer:

$p=\frac{16}{9}$

Step-by-step explanation:

$6(3p-2)=20$

Distribute the brackets.

$6(3p)+6(-2)=20$

$18p-12=20$

Add $12$ on both sides.

$18p-12+12=20+12$

$18p=20+12$

$18p=32$

Divide $18$ on both sides.

$\frac{18p}{18}=\frac{32}{18}$

$p=\frac{16}{9}$

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3 years ago

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A+5=6<br> a . a = 0<br> b. a = 1<br> c. a = 2

Nastasia [14]

A+5=6
Subtract 5 from both sides
A+5-5=6-5
A=1

Hope that helps

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3 years ago

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With interest of $1,832.00 and a principal of $16,000 for 206 days, use the ordinary interest method to determine the rate.

nexus9112 [7]

<span>I = 1832 </span>
<span>P = 16000 </span>
<span>T = 206/365 years </span>
<span>Rate of interest = [100*I] / [P*T] </span>
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4 years ago

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Determine the value(s) of h such that the matrix is the augmented matrix of a consistent linear system. [Start 2 By 3 Matrix 1s

Leni [432]

Answer: h = 9

Step-by-step explanation: A system of linear equations is consistent when it has at least one solution.

The matrix given is:

$\left[\begin{array}{ccc}-15&21&h\\5&-7&-3\end{array}\right]$

Transform this matrix in a row-echelon form:

$\left[\begin{array}{ccc}-15&21&h\\5&-7&-3\end{array}\right]$ $R_{2} = 3R_{2}+R_{1}$ $\left[\begin{array}{ccc}-15&21&h\\0&0&-9+h\end{array}\right]$

For this row-echelon form to have solutions:

-9 + h = 0

h = 9

For this system to be consistent: h = 9.

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3 years ago