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luda_lava [24]
3 years ago
13

In the equation 9x2 - 4 = (px - t)(px + t), p and t are constants. What is the value of p + t?

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Answer: 2

Step-by-step explanation:

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4 years ago
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How many liters are in 120 quarts?<br><br> 1 qt ≈ 0.95 L
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113.562

Step-by-step explanation:

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Negative 5.4 + x = 12.2. Minus 5.4. x = 6.8.<br> What error, if any, did she make?
lisabon 2012 [21]

Answer:

The answer is correct x =6.8, if she made an error, it might have been the steps she took.

Step-by-step explanation:

5.4 + x = 12.2

subtract 5.4 from both sides to put x terms on the left hand side, numerical number terms on the right hand side

5.4 - 5.4 + x = 12.2 - 5.4

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3 0
3 years ago
The 7th term of an AP is 4 and its common difference is -4. What is the first term?
Dennis_Churaev [7]

Answer: 28

Step-by-step explanation:

The 7th term of an AP is 4 and its common difference is -4. The 7th term of an arithmetic progression is written as:

a + 6d = 4

where,

a = first term

d = common difference= -4

a + 6d = 4

a + 6(-4) = 4

a - 24 = 4

a = 4 + 24

a = 28

The first term is 28.

8 0
3 years ago
Steve is driving 590 miles to visit the Grand Canyon. He drives at an average rate of 59 miles per hour.
nlexa [21]

Answer:

10 hr

Step-by-step explanation:

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3 years ago
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