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valentinak56 [21]
2 years ago
9

Find the square.

Mathematics
1 answer:
Alexandra [31]2 years ago
4 0
The answer is C... because after multiplying everything by itself that’s what you get.
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Please help I’ll make you brainliest
asambeis [7]

Answer:

Step-by-step explanation: 3. 12240 watts

4. 101.82 pounds of insecticide.

6 0
3 years ago
What is the volume in cubic inches of the cylinder, rounded to the nearest cubic inch?
son4ous [18]

\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\ \cline{1-1} r=9\\ h=7 \end{cases}\implies V=\pi (9)^2(7) \\\\\\ V=\pi (81)(7)\implies V=567\pi \implies V\approx 1781.28\implies \stackrel{\textit{rounded up}}{V=1781}

7 0
3 years ago
(a + b - c )(a + b + c )
denis-greek [22]

Answer:

a^2+b^2-c^2+2ab

Step-by-step explanation:

(a+b-c)(a+b+c)=a^2+ab+ac+ab+b^2+bc-ac-bc-c^2=a^2+b^2-c^2+2ab

Hope this helps!

5 0
3 years ago
Read 2 more answers
Use substitution to solve the system of equations.<br><br><br> 28 = x – 7y<br> –3x + 9 =4y
Serggg [28]
The answer is (7,-3)
5 0
2 years ago
Read 2 more answers
What is the slope the line that passes through the points:
valina [46]
<h3>Given Points:</h3>

(-6, 14) and (2, -18)

<h3>To Find:</h3>

The slope of the line that passes through the point.

<h3>Slope Formula:</h3>

y2 - y1 / x2 - x1

<h3>Solution:</h3>

-18 - 14 / 2 + 6

= -32 / 8

= -4

<h2>Answer:</h2>

<u>Option D. -4</u>

6 0
3 years ago
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