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cestrela7 [59]
3 years ago
9

What is the difference between -7 and 8? 15 -15 1 -1

Mathematics
2 answers:
Lunna [17]3 years ago
5 0
Difference = - 

- 7 - (+ 8) = - 7 -  8 = -15
Paraphin [41]3 years ago
5 0
-15 is the answer.
-7 - 8 = -15
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A bookshelf has space for exactly 13 books how many ways can the books be arranged
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4 0
3 years ago
The glass container is filled to a height of 2.25 inches. What percent of the container is filled with sand?
Makovka662 [10]
The complete question in the attached figure

Part A) How much sand is currently in the container?
[sand  currently in the container]=(5)*(4 1/2)*(2.25)-----> (5)*(4.5)*(2.25)
[sand  currently in the container]=50.625 in³

the answer Part a) is 50.625 in³

Part B) How much more sand could the container hold before?
[sand could the container hold before]=[5*4.5*3]-[50.625]
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4 0
4 years ago
The diagram shows a parallelogram.
emmasim [6.3K]

Answer:

27.44 square cm

Step-by-step explanation:

If the length of parallelogram is a and b and angle between side a and b is \alpha.

Then area of parallelogram = a*b*sin(\alpha ) = ab sin(\alpha )

Given side length 4 cm and 7 cm

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value of sin(100°) = 0.98

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Thus, area of given parallelogram is 27.44 square cm.

6 0
3 years ago
Read 2 more answers
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Step-by-step explanation:

7 0
3 years ago
For each function below, find its domain and then determine if the function increasing, decreasing, or constant on each piece of
VashaNatasha [74]

Answer:

Domain:  all real numbers

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The interval on which the function is decreasing is : (-infinity , 0)

The interval on which the function is constant is : ( 0,0 )

Step-by-step explanation:

f(r)=5r^2−4

This is  a quadratic function.

vertex at  (0, -4)  and with positive coefficient for r^2

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The interval on which the function is decreasing is : (-infinity , 0)

The interval on which the function is constant is : ( 0,0 )

8 0
4 years ago
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