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Rina8888 [55]
3 years ago
5

Evaluate the following expression using the values given: Find 3x − y − 3z if x = −2, y = 1, and z = −2.

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
4 0
The answer is -1. You can multiply 3 by -2 which is -6. Then y is, obviously, 1. 3z would equal -6 because 3 times -2 is -6. The final equation is: -6-1-(-6. -6 minus 1 1is -7. Then -7 minus -6 is -1 because a negative minus a negative will be a negative.
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How many different 2 digit numbers can you make with 4,6, and 8 if the numbers can not be repeated
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Answer:

6

Step-by-step explanation:

46, 48, 64, 68, 86, 84

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Lucia estimates the attendance at the middle school concert to be 267. The actual attendance is 304.
USPshnik [31]

Answer:

12%

Step-by-step explanation:

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A triangle has vertices A(1, 1), B(2, 4), and C(4, 2). Line p is parallel to side AB and contains point C.
kenny6666 [7]

Answer:

p:y = 3x-10

Step-by-step explanation:

We are given the following in the question:

A(1, 1), B(2, 4), C(4, 2)

i) Slope of AB

A(1, 1), B(2, 4)\\\\m = \dfrac{y_2-y_1}{x_2-x_1}\\\\m = \dfrac{4-1}{2-1}=3

Thus, slope of AB is 3.

ii) Point slope form

The point slope form of a line can be written as:

y - y_1 = m(x - x_1)

The point intercept form of line can be written as:

y = mx + c

The line is parallel to AB and contains point C(4, 2). Since line p is parallel to AB, line p will have the same slope as line AB

Putting values, we get,

y - 2 = 3(x-4)\\y = 3x-12+2\\y = 3x-10

which is the required slope intercept equation of line p.

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3 years ago
What are the slope and the y-intercept of the linear function that is represented by the table?
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