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Reptile [31]
3 years ago
11

Which expression is equal to 20 - (8 + 5) + 4?

Mathematics
1 answer:
n200080 [17]3 years ago
8 0

We need to follow PEMDAS

first is Parenthesis, which we have (8+5)

8+5=13 and we are left with 20-(13)+4

Distribute the negative to 13 to get 20-13+4

Addition comes first so add 13+4 to get 17

And then solve 20-17

Your answer is 3.


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anygoal [31]

Answer:

x+9= 12 yes x = 3

4 + X= 9 no x = 5

X x 5 = 18 no x = 3.6

21 / x= 7 yes x= 3

hope this helps

4 0
3 years ago
PLEASE HELP!! Due today:
irina [24]

Answer:

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8 0
3 years ago
50 POINTS PLEASE HELP
Leni [432]

Answer: 2nd step

Step-by-step explanation:

(-4s+5 )/-4 ≥ 16/-4

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8 0
3 years ago
Please can you help me??
ladessa [460]

Answer:

Why

Step-by-step explanation:

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4 0
3 years ago
The skate Sports Store offers 4-wheel and 5-wheel inline skates. On display in the store are the left skates for 17 different st
beks73 [17]

There are 6 skates in store with 5 wheels.

<h3>What is Equation?</h3>

Equations are mathematical statements containing two algebraic expressions on both sides of an 'equal to (=)' sign.

Here, Let the number of 4 wheel skates in display be x

         and the number of 5 wheel skates in display be y

       Total number of skates = 17

       Total number of wheel = 74

Now, according to question

        x + y = 17     ................(i)

        4x + 5y = 74 ..................(ii)

From equation (i), we get

          x = 17 - y   ................(iii)

put the value of y in equation (ii), we get

      4(17 - y) + 5y = 74

       68 - 4y + 5y = 74

          y + 68 = 74

          y = 6

Put the value of y in equation (iii), we get

          x = 17 - 6

          x = 11

Thus, there are 6 skates in store with 5 wheels.

Learn more about Equation from:

brainly.com/question/10413253

#SPJ1

6 0
2 years ago
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