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Yuri [45]
2 years ago
13

Consider the system of equations. 20 POINTS NEED HELP ASAP

Mathematics
1 answer:
Alex2 years ago
3 0

- 5x - 1 = 2x + 6

- 7x = 7

7x = -7

x = -1

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Please help me! I'm having trouble...​
dezoksy [38]

Answer:

-46

Step-by-step explanation:

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I know I need to divide the polynomials but i don't know the equation
andrezito [222]

Answer:

4t³-5t²+2t+200 - (3t³-2t²+5t+100) = t³-3t³-3t+100

Step-by-step explanation:

4 0
3 years ago
Jessica wants to start making and selling bracelets using colorful beads and thread. She starts collecting information to come u
evablogger [386]

Answer:

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3. $3.50

4 0
2 years ago
I don't know how to solve this
Assoli18 [71]
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8 0
3 years ago
Question 1: find the volume of a cube whose total surface area is 486cm^2
lapo4ka [179]
<h3>The volume of cube is 729 cubic centimeter</h3>

<em><u>Solution:</u></em>

<em><u>The surface area of cube is given as:</u></em>

Surface\ area = 6a^2

Where, "a" is the length of side of cube

Given that, surface area = 486 square centimeter

486 = 6a^2\\\\a^2 = \frac{486}{6}\\\\a^2 = 81\\\\a = 9

<u><em>Find the volume of cube:</em></u>

volume\ of\ cube = a^3\\\\volume\ of\ cube = 9^3\\\\volume\ of\ cube = 9 \times 9 \times 9\\\\volume\ of\ cube = 729

Thus volume of cube is 729 cubic centimeter

8 0
3 years ago
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