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nikklg [1K]
3 years ago
14

-(|-x| +2) y Y=7 X=21

Mathematics
1 answer:
Ann [662]3 years ago
7 0

Answer:

-161

Step-by-step explanation:

To solve this problem, you must substitute in the numbers

-(|-21| + 2) * 7

the absolute value of -21 is 21, so we add two to that and get 23.

Then there is a negative sign outside of the parentheses which makes the 23 negative 23 or, -23

then -23 * 7 is -161

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25 POINTS!! (EASY)MORE POINTS!!!!!!! BRAINLIEST PLSSSSSSSSSSSSSSSSSSSHELP. For Brainliest Please help)
Lostsunrise [7]

Answer:

A) 50

B) 20

C) 20

Step-by-step explanation:

To solve the first question, we can multiply both sides by 10.

Thus, we get:

6x = 300.

Then, divide by 6, to get x:

x = 50.

You can do the same thing to all of these questions.

I've already checked the answers, but if you don't trust them, just pluck the values in.

For example, let's check the answer for question A.

0.6*50 is supposed to equal 30.

Does it equal? Yes, so we know that the answer is correct.

3 0
3 years ago
Solve for v.<br> -5v = -3y + 4
seropon [69]

Answer:

-5v + -3y + 4

the answer is V=3y/5 - 4/5

7 0
4 years ago
Read 2 more answers
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Ede4ka [16]

Answer:

Commutative property of multiplication

Step-by-step explanation:

Commutative property of multiplication basically means that the order in which you multiply numbers does not matter.

For exampe:

3 x 4 = 4 x 3

    12 = 12

In your case:

5 x 7 x 4 = 5 x 4 x 7

        140 = 140

If we break that down:

5 x 7 x 4 = 5 x 4 x 7

   35 x 4 = 20 x 7

        140 = 140

4 0
4 years ago
Simplify -4.5 + (-1.5)
mojhsa [17]

-4.5 + (-1.5)

-4.5 + 1.5

-6

5 0
3 years ago
Read 2 more answers
A pet store employee counts 23 heads and 68 feet on the animals in the store. The store currently only has kittens and parakeets
Aloiza [94]

Answer:

11 kittens and 12 parakeets

Step-by-step explanation:

each kitten has 4 feet while each parakeet has 2

11 x 4 = 44 (kittens)

12 x 2 = 24 (parakeets)

11 + 12 is 23 which is your 23 heads.

44 + 24 is 68 which would be your feet

4 0
2 years ago
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