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omeli [17]
2 years ago
14

Write a two-column proof. Given: 7y = 8x – 14; y = 6 Prove: x = 7

Mathematics
1 answer:
Serggg [28]2 years ago
5 0

1) 7y=8x-14, y=6 [given]

2) 7(6)=8x-14 [substitution]

3) 56=8x [addition property of equality]

4) 7=x [division property of equality]

5) x=7 [symmetric property of equality]

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Find the equation whose roots are - 1/2 and1 whole number1/2​
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Answer:No, I don’t think I will

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7 0
3 years ago
I need help fast please
vodomira [7]

Answer:

<em>Diameter= 11.27 feet</em>

Step-by-step explanation:

<em>Circle = 2πr</em>

<em>or, 11.27π = 2πr</em>

<em>or, 11.27π/2π = r</em>

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8 0
3 years ago
David’s cell phone company charges $0.45 for each text message plus a monthly fee of $50.00. He owes $91.40. Write and solve an
Anton [14]
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3 0
3 years ago
Given that B=(1,2,3,4) how many subsets have exactly two elements?
balandron [24]
<span>Given that B=(1,2,3,4) how many subsets have exactly two elements?

4C2 =
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------------ = -------------- =    --------------- = 6
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answer is 6</span>
7 0
4 years ago
Read 2 more answers
1<br>Make p the subject in the formula A = P(1 + r)"​
Snezhnost [94]

Answer:

Divide the whole equation by (1 + r)ⁿ to get P = A/(1 + r)ⁿ.

7 0
3 years ago
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