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patriot [66]
3 years ago
6

Jenna multiplied four numbers together and then divided by -2. The result was a positive value.

Mathematics
1 answer:
aleksklad [387]3 years ago
7 0

Answer:

1. An odd number of the factors were negative

Step-by-step explanation:

If we have 4 numbers, for example 2 x 2 x 2 x 2 and an odd number of them were negative so we could have two outcomes: -2 x 2 x 2 x 2 and -2 x -2 x -2 x 2 each in the end would get -16. Now -16 multiplied by -2 gets 32 which is positive.

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5 0
3 years ago
John runs 4 miles in 30 minutes. at the same rate, how many miles would he run in 48 minutes?
dimulka [17.4K]
Make a ratio, then cross multiply.

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3 years ago
HELP ME HELP ME please !!! 10 points
USPshnik [31]

Answer:

The slope is \frac{3}{2}

The y-intercept is 9

Step-by-step explanation:

The form of the equation that passes through two points (x1, y1) and (x2, y2) is y = m x + b, where

  • m is the slope of the line whose rule is m=\frac{y2-y1}{x2-x1}
  • b is the y-intercept, you can find it by substituting x, y in the equation by (x1, y1) OR (x2, y2)

Let us solve the question:

Choose any two-point from the table

∵ The line passes through the points (2, 12) and (4, 15)

∴ x1 = 2 and x2 = 4

∴ y1 = 12 and y2 = 15

→ Use the rule of m to find it

∵ m=\frac{15-12}{4-2}=\frac{3}{2}

∴ m = \frac{3}{2}

∴ The slope is \frac{3}{2}

→ Substitute its value in the form of the equation above

∴ y = \frac{3}{2} x + b

→ To find b substitute x and y by x1 and y1

∴ 12 = \frac{3}{2} (2) + b

∴ 12 = 3 + b

→ Subtract 3 from both sides

∴ 12 -3 = 3 - 3 + b

∴ 9 = b

∴ The y-intercept is 9

6 0
3 years ago
What is the result when we simplify the expression ( 1 + 1/ x ) ( 1 − 2/ x + 1 ) ( 1 + 2/ x − 1 )
BaLLatris [955]

Answer:

\frac{4(x + 1)(x - 1)}{ {x}^{3} }

Step-by-step explanation:

I have a app called photomath, I really hope this works.

5 0
3 years ago
Can someone please help me with number 2 please I’ll love you forever ;)
yawa3891 [41]

Step-by-step explanation:

the first question

x²+x+5

when x is -4

(-4)²+(-4)+5

16-4+5

12+5

17

hope this was helpful

7 0
2 years ago
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