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Darya [45]
3 years ago
14

Evaluate f(x)=-x+3 when x= a-2

Mathematics
1 answer:
3241004551 [841]3 years ago
5 0
F(x)=-x+3
f(x) =-(a-2)+3
f(x)=-a+2+3
f(x)=-a+5
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A shipping container is in the shape of a right rectangular prism with a length of 7.5
katrin [286]

Answer:

about 1036 pounds

Step-by-step explanation:

First we'll find the volume, then we'll use that to get the weight.

V = lwh

  = 7.5 * 14 * 10.5

  = 1102.5 cubic feet

We know that it weighs .94 pounds per cubic foot. The per tells us to multiply.

1102.5 cubic feet * .94 pound / cubic foot

          = 1036.35 pounds

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5 0
3 years ago
Find the value of the linear correlation coefficient r. Round to 3 decimal places. (47, 8), (46, 10), (27, 10)
Mnenie [13.5K]

Answer:

- 0.5379

Step-by-step explanation:

Given the data below :

(47, 8), (46, 10), (27, 10)

X:

47

46

27

Y:

8

10

10

Using the functionality of the correl() function in excel, which takes in the x and y values of a data. The value of correlation Coefficient (r) obtained is - 0.5379 which indicates that a fairly strong negative correlation exists between the x and y variables. As the the strength of correlation depends on how close the Coefficient is to 1 (strong) or 0 ( weak). Negative value indicates that an increase in the value of one variable leads to a decrease on the value of the other.

6 0
3 years ago
Please help |x+10| , if x=−12
Pani-rosa [81]

Answer:

2

Step-by-step explanation:

All you do is substitute x.

Add.

|-12 + 10|

Find the absolute value of |-2|.

|-2|

2

4 0
3 years ago
There are 420 students. 63 students were out sick. What percent of the student population is ill?
emmainna [20.7K]
To find the percentage,here's what we can do:
\frac{student \: out \: sick}{original \: population} \times 100\%

The percentage would then be:
=63/420×100%
=3/20×100%
=0.15×100%
=15%

Therefore the answer is 15%.

Hope it helps!
3 0
3 years ago
Read 2 more answers
Pleaseeee helpppp !!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!
Mnenie [13.5K]

Answer:

MQ=14

Step-by-step explanation:

The two triangles are similar

So the equation is

12/72=x/12

1/6=x/12

x=2

4 0
3 years ago
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