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Eddi Din [679]
3 years ago
8

What 2 numbers multiplied equal -12 and 2 numbers added equals -1

Mathematics
1 answer:
Stells [14]3 years ago
5 0

Answer:

<u>-4 x 3 = -12 and -4 + 3 = -1 </u>

Read my explanation + Can I have brainliest? Thanks

Step-by-step explanation:

Editing my answer since apparently it was wrong but I gave you multiple choices to choose from.

4 x 3 = 12

4 - 3 = 1

-4 x 3 = 12 and -4 + 3 = -1

Does that make you happy? Once again, it's simple algebra

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I set up an equation and solved for the hours

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What is the slope of the line that contains the points -2,7 and 2,3
Maurinko [17]

Answer:

slope = -1

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y2-y1 divided by x2-x1

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3 years ago
Without using a calculator, order the following numbers from least to greatest
SpyIntel [72]
The square root of 78 is a number which when multiplied by itself results in 78. The square root of 78 is denoted by √78. 78 can be expressed as 78 = 2 × 3 × 13. Hence, on simplifying square root of 78 is written as √78

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3 years ago
The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its
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Answer:

y = 4 sin(½ x) − 3

Step-by-step explanation:

The function is either sine or cosine:

y = A sin(2π/T x) + C

y = A cos(2π/T x) + C

where A is the amplitude, T is the period, and C is the midline.

The midline is the average of the min and max:

C = (1 + -7) / 2

C = -3

The amplitude is half the difference between the min and max:

A = (1 − -7) / 2

A = 4

The maximum is at x = π, and the minimum is at x = 3π.  The difference, 2π, is half the period.  So T = 4π.

Plugging in, the options are:

y = 4 sin(½ x) − 3

y = 4 cos(½ x) − 3

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y = 4 sin(½ x) − 3

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