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Verdich [7]
3 years ago
14

Mrs. Jackson gives the table below to her students.

Mathematics
2 answers:
krek1111 [17]3 years ago
5 0
M= 20 because the rate of change is -3.
Vinvika [58]3 years ago
3 0

For this case, the slope of the line is given by:

a=\frac{y2-y1}{x2-x1}

Substituting values, we have:

a=\frac{23-26}{5-4}

Rewriting:

a=\frac{-3}{1}\\a = -3

Then, since the value of the slope is constant for a line then we can rewrite the slope equation to find the value of M.

We have then:

-3 = \frac{M-23}{6-5}

From here, we clear the value of M:

-3 = \frac{M-23}{1}\\-3 = M - 23\\M = 23 - 3\\M = 20

Answer:

m = 20 because the rate of change is –3.

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Answer:

$10,870

Step-by-step explanation:

we can multiply the initial value (27500) by (1-.06), or 0.94, raised to the 15th power

27500(.94)^15 = 10,870.52

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3 years ago
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8 0
3 years ago
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zalisa [80]

Answer:

  • B. Always irrational

Step-by-step explanation:

The difference of the rational and and irrational number is always an irrational number.

Correct choice is B

5 0
3 years ago
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What is the equation of this line?<br><br> A. y=3/2x<br> B. y=-3/2x<br> C. y=-2/3x<br> D. y=2/3x
liberstina [14]

Answer:

it got to be C

Step-by-step explanation:

don't get mad if it not please I'm just trying to help

8 0
2 years ago
(b) As in part (a), how many three-digit phone prefixes are possible that do not start with 0 or 1, but contain 0 or 1 as the mi
Lubov Fominskaja [6]

Answer:

The number of 3-digit phone prefixes that do not start with 0 or 1, but contain 0 or 1 as the middle digit is 160.

Step-by-step explanation:

The phone prefix for any area is of the form <u>X</u> <u>X</u> <u>X</u>.

These prefixes can take values from 0 to 9.

The condition to create a phone prefix is:

  • The first digit cannot be 0 or 1
  • The middle digit is either 0 or 1.

The possible number of ways to fill the first place is 8 since 0 or 1 cannot be the first digit.

The possible number of ways to fill the second place is 2 since the middle digit can be occupied by either 0 or 1.

The possible number of ways to fill the last place is 10 since there are no condition applied to the last digit.

Then the number of phone prefixes that can be formed is = 8\times2\times10=160

Thus, the possible number of phone prefixes possible is 160.

7 0
3 years ago
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