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Lena [83]
2 years ago
15

HELP SOMEONE PLEASE ANSWER the math question​

Mathematics
1 answer:
Anettt [7]2 years ago
3 0

Answer:

4, 2, 1, 3

Step-by-step explanation:

2/3(x + 21 - 1) - 162

We used the formula for PEDMAS

Step 1

2/3(x + 20) - 162

Step 2

2/3(x + 20) = 162

Multiply both sides by 3/2

Step 3

3/2× 2/3(x + 20) = 162 × 3/2

x + 20 = 81 × 3

x + 20 = 243

Subtract 20 from both sides

x + 20 - 20 = 243 - 20

Step 4

x = 223

Therefore, according to the above calculation, the correct steps to solve this question is 4, 2, 1, 3

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Solve for n: -16 + 3n = -(8 +5n)
umka21 [38]

-16 + 3n = -(8 + 5n)

The - sign outside the parentheses acts as a -1, and so it is distributed to each term in the parentheses.

-16 + 3n = -8 - 5n

+16

3n = 8 - 5n

+5n

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/8

n = 1


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ValentinkaMS [17]

Answer:

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Step-by-step explanation:

a rotation would make it horizontal which it is not

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Need all the help I can get
o-na [289]
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4 0
3 years ago
Please help me with numbers #2-5?
trasher [3.6K]

Just keep doing what you did in 1. I'll show you how easy it is.

2.

a) g(9) = 9 - 5 / 2 = 4 / 2 = 2.

b) g(0) = 0 - 5 / 2 = 5 / 2 = 2 1 / 2.

c) g(3) = 3 - 5 / 2 = 2 / 2 = 1.

d) g(17) = 17 - 5 / 2 = 12 / 2 = 6.

3.

a) f(3) = 3^2 - 4 = 9 - 5 = 4.

b) f(-4) = -4^2 - 4 = 16 - 4 = 12.

c) f(0) = 0^2 - 4 = 0 - 4 = -4.

d) f(-2) = -2^2 - 4 = 4 - 4 = 0.

4.

a) f(10) = 10 / 2 - 6 = 5 - 6 = -1; -1 is the solution.

5.

a) I'll test one after another.

1. f(0) = 2(0) - 3 = 0 - 3 = -3  >  g(0) = 3(0) / 2 + 1 = 0 + 1 = 1; this is incorrect.

2. f(2) = 2(2) - 3 = 4 - 3 = 1  = g(2) = 3(2) / 2 + 1 = 6 / 2 + 1 = 3 + 1 = 4; this is incorrect.

3. f(8) = 2(8) - 3 = 16 - 3 = 13 = g(8) = 3(8) / 2 + 1 = 24 / 2 + 1 = 12 + 1 = 13; this is correct.

4. g(4) = 3(4) / 2 + 1 = 12 / 2 + 1 = 6 + 1 = 7 < f(4) = 2(4) - 3 = 8 - 3 = 5; this is incorrect.

Hope this helps :)

7 0
2 years ago
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Vera_Pavlovna [14]

Answer:

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Step-by-step explanation:

7 0
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