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bogdanovich [222]
2 years ago
5

Which graph correctly solves the system of equations below? y = −x2 + x + 7 y = x2 + 3x + 7

Mathematics
1 answer:
antiseptic1488 [7]2 years ago
5 0

Answer:

(-1.703, 2.396)

(1.37, 6.493)

Step-by-step explanation:

We can easily solve this question by using a plotting tool or any graphing calculator,

The solution to the system of equation is given by the intersection points between the graphs of

y1 = −x^2 + x + 7

y2 = x^2 + 3x + 7

Please, see attached picture below.

The solutions are:

(-1.703, 2.396)

(1.37, 6.493)

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A square has one of its sides increased by 7 inches and the other side decreased by 4 inches. Which of the following represents
Anna71 [15]

Answer:

Step-by-step explanation:

both the length and the width of a square is the same measurement.

so if both measured to "x" then that means one side increase +7.

so one side is x + 7

and the other side decreased -4

so the other side is x - 4

area of square = length x width or just one of the sides to the power of 2

so (x+7) * (x-4) = Area

x^2 + 3x - 21 = area

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3 years ago
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Answer:

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Step-by-step explanation:

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A dozen box of bagels costs $4.98. Because of inflation the price increases by 4% a year.
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A=p (1+r)^t
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T=log(7.50÷4.98)÷log(1.04)
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Hope it helps:-)
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Answer:

A. NO

B.  NO

C. YES

D. YES

E. NO

F. NO

Step-by-step explanation:

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