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4 years ago

I need help I don’t get how to do this

Mathematics

1 answer:

jenyasd209 [6]4 years ago

4 0

Answer:

The Answer is 48 quarts. Hope this helps

Step-by-step explanation:

12x4=48

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Describe one way advertising has played a role in something<br> you've purchased

Bezzdna [24]

Answer:

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3 years ago

Homework: 5.1 Systems of Linear Equations

Klio2033 [76]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=8,\:y=5$

Step-by-step explanation:

Given the system of linear equations

$7x-y=51$

$x+3y=23$

solving by the elimination method

$\begin{bmatrix}7x-y=51\\ x+3y=23\end{bmatrix}$

$\mathrm{Multiply\:}x+3y=23\mathrm{\:by\:}7\:\mathrm{:}\:\quad \:7x+21y=161$

$\begin{bmatrix}7x-y=51\\ 7x+21y=161\end{bmatrix}$

$7x+21y=161$

$-$

$\underline{7x-y=51}$

$22y=110$

$\begin{bmatrix}7x-y=51\\ 22y=110\end{bmatrix}$

now solving for y

$22y=110$

$\mathrm{Divide\:both\:sides\:by\:}22$

$\frac{22y}{22}=\frac{110}{22}$

$y=5$

$\mathrm{For\:}7x-y=51\mathrm{\:plug\:in\:}y=5$

$7x-y=51$

$7x-5=5$

$7x=56$

$\mathrm{Divide\:both\:sides\:by\:}7$

$\frac{7x}{7}=\frac{56}{7}$

$x=8$

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=8,\:y=5$

7 0

3 years ago

Can you guys help me with this answer will get brainliest

tigry1 [53]

Answer:

what is the question

6 0

3 years ago

Read 2 more answers

This is about the cone formula. If you don't know it, please don't answer. If you do, PLEASE ANSWER.

lions [1.4K]

9514 1404 393

Answer:

(b) 10.5 in

Step-by-step explanation:

The formula for the volume of a cone is ...

V = 1/3πr²h . . . . . . for radius r and height h

Then the height is ...

h = 3V/(πr²)

Your cone has a volume V = 199 in³ and radius r = 4.25 in, so the height is ...

h = 3(199 in³)/(π(4.25 in)²) ≈ 10.52 in

The height of the cone is about 10.5 inches.

6 0

3 years ago

the ratio of width to length of Baileys television screen is 3:4. what is the width of the screen if the length is 32 inches?

olga2289 [7]

Answer:

Step-by-step explanation:

3 0

3 years ago

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