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o-na [289]
3 years ago
6

Please help! Write down the quadratic equation whose roots are x = -7 and x = 1, and the coefficient of x^2 is 1.

Mathematics
1 answer:
garik1379 [7]3 years ago
3 0

Answer:

x²+6x-7

Step-by-step explanation:

Follow me Please

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Dana rolls a number cube that has sides labeled 1 to 6. What is the probability that she rolls an even number?
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Your answer is b: 1/4
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What is the surface area of a cube that is 4 cm on each edge?
icang [17]

Answer:

96 units squared

Step-by-step explanation:

The surface area of a cube can be written as 6 * (s^2)

s is the side length.

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add simplify if possible I've already posted this once and I don't know what the answer was correct as somebody can do this I wi
elena55 [62]

Answer: 15 + 53/77


Step-by-step explanation:


Multiplying a fraction by 1 does not change the value.

Any number divided by itself is 1.

For instance, 11/11 = 7/7 = 1.


12 + 1/7 + 3 + 6/11 = 15 + 1/7 + 6/11

= 15 + (11×1)/(11×7) + (7×6)/(7×11)

= 15 + 11/77 + (6×7)/77

= 15 + (11 + 6×7)/77

= 15 + 53/77


It is faster to make sure to multiply by the "smallest" form of one that will work, but you don't have to. You only need to make sure that at the end there are no common factors in numerator and denominator, and that numerator is smaller than denominator.

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3 years ago
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Solve the equation for the indicated variable.<br><br> Q = 8rs^2, for r
Elis [28]

Answer:

  r = Q/(8s^2)

Step-by-step explanation:

Divide by the coefficient of r.

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4 years ago
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I need help with this question
faust18 [17]

Answer: it’s B

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