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pshichka [43]
2 years ago
11

Frank has constructed a tent in the shape of a square pyramid.

Mathematics
1 answer:
Dennis_Churaev [7]2 years ago
5 0

Answer:

the answer is B

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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1) The solution for m² - 5m - 14 = 0 are x=7 and x=-2.

2)The solution for b² - 4b + 4 = 0 is x=2.

<u>Step-by-step explanation</u>:

The general form of quadratic equation is ax²+bx+c = 0

where

  • a is the coefficient of x².
  • b is the coefficient of x.
  • c is the constant term.

<u>To find the roots :</u>

  • Sum of the roots = b
  • Product of the roots = c

1) The given quadratic equation is m² - 5m - 14 = 0.

From the above equation, it can be determined that b = -5 and c = -14

The roots are -7 and 2.

  • Sum of the roots = -7+2 = -5
  • Product of the roots = -7\times2 = -14

The solution is given by (x-7) (x+2) = 0.

Therefore, the solutions are x=7 and x= -2.

2) The given quadratic equation is b² - 4b + 4 = 0.

From the above equation, it can be determined that b = -4 and c = 4

The roots are -2 and -2.

  • Sum of the roots = -2-2 = -4
  • Product of the roots = -2\times-2 = 4

The solution is given by (x-2) (x-2) = 0.

Therefore, the solution is x=2.

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3 years ago
Jamal went to the post office to buy stamps and large envelopes. Each stamp costs the same amount, and each large envelope costs
nekit [7.7K]

Answer:

Step-by-step explanation:

i chose .95 cents!

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3 years ago
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