Simplify:

Mathematics

2 answers:

Rasek [7]3 years ago

7 0

Answer:

here you go

Step-by-step explanation:

1.)50a2−39a+38

2.)2r2+2r−10

3.)−17y+17z+24

4.)8.1q−5.5

5.)−39x2+17x

juin [17]3 years ago

4 0

Answer:

1.)50a2−39a+38

2.)2r2+2r−10

3.)−17y+17z+24

4.)8.1q−5.5

5.)−39x2+17x

Step-by-step explanation:

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What is the solution set of |–x| = –10?

dem82 [27]

|a| = b gives
a =b or a = -b

so,
|-x| = -10
gives
-x = -10 or -x = 10
x = 10, -10

now let us verify,
when x = 10, |-10| = +10 and it is not = -10
so, x= 10 is NOT a solution.

when x = -10, |-(-10)| = |10| = 10 and it is not = -10
so, x= -10 is NOT a solution.

hence, this equation does not have a solution.

If we know that |...| can never be negative, we can directly deduce that this equation does not have any solution.

3 0

3 years ago

Read 2 more answers

The perimeter of a rectangular painting is 304 centimeters. If the length of the painting is 85 centimeters, what is its width?

Brums [2.3K]

Answer:

3.58

Step-by-step explanation:

You have to divide 304 by 85

you will get 3.57647058824

You have to round it to the nearest hundedth which will leave you with 3.57

4 0