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xxTIMURxx [149]
2 years ago
11

Evaluate r(x)=−x−7 when x=−2,0, and 5. Brainliest to right answer

Mathematics
1 answer:
HACTEHA [7]2 years ago
6 0

Answer:

r(-2) = -5 , r(0) = -7 , r(5) = -12.

Step-by-step explanation:

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What is the slope of the line that contains these points?<br><br>Slope:
Semenov [28]

Answer:

-4

Step-by-step explanation:

Slope formula:

m=y2-y1/x2-x1

I will use (-1,10) and (1,2)

2-10/1-(-1)

Which is

-8/2

Divide:

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Thus the slope is -4

Hope this helps!

5 0
2 years ago
Divide 270 in the ratio 3:2:1​
Contact [7]

3 + 2 + 1 = 6

270 ÷ 6 = 45

45 × 3 = 135

45 × 2 = 90

45 × 1 = 45

3 : 2 : 1

135 : 90 : 45

6 0
3 years ago
Find the length and area of rectangle whose diagonal is =26cm and breath is =10cm​
givi [52]

Answer:

240cm²

explanation

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676=100+length ²

576=length ²

length=24cm

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=240cm²

3 0
3 years ago
Suppose the scientist performs an experiment in which she cools the three gases. Will the changes in temperature be positive or
yaroslaw [1]
In the case that a scientist cools three gases in an experiment, the change in temperature will be negative for the experiment. This is because cooling results in a temperature lower than the original temperature. For example, a gas originally at 25°C when cooled to 20°C has a temperature change of -5°C. 
8 0
3 years ago
Suppose x = 5 is a solution to the equation 4x − 3(x + a) = 2. Find the value of a that makes the equation true. Group of answer
xz_007 [3.2K]
Just replace all of the x’s with 5 and solve using order of operations. I will post what I got for my answer in the comments of the answer if you need it.
6 0
3 years ago
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