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algol [13]
2 years ago
8

What is x? thank you!

Mathematics
1 answer:
MrRissso [65]2 years ago
7 0

Answer:

x=15

Step-by-step explanation:

90+75=165

180-165=15

15+15=30

45-30=15

x=15

Hope this helps!

If not, I am sorry.

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((-2^2)(-1^-3))•((-2^-3)(-1^5))^-2
Vitek1552 [10]

Answer:

  256

Step-by-step explanation:

A calculator works well for this.

_____

None of the minus signs are subject to the exponents (because they are not in parentheses, as (-1)^5, for example. Since there are an even number of them in the product, their product is +1 and they can be ignored.

1 to any power is still 1, so the factors (1^n) can be ignored.

After you ignore all of the things that can be ignored, your problem simplifies to ...

  (2^2)(2^-3)^-2

The rules of exponents applicable to this are ...

  (a^b)^c = a^(b·c)

  (a^b)(a^c) = a^(b+c)

Then your product simplifies to ...

  (2^2)(2^((-3)(-2)) = (2^2)(2^6)

  = 2^(2+6)

  = 2^8 = 256

3 0
3 years ago
Write on equation if the slope is 3/4<br> and the y-intercept is -4,
KonstantinChe [14]

Answer:

thw abswer os tywentr yaxel

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A person who weighs 100 pounds on Earth weighs 16.5 pounds on the Moon. If a boy weighs 60 pounds on Earth, how much does he wei
xxMikexx [17]
10 pounds you divide your weight by 6
8 0
3 years ago
Can anyone help me with inverse function please? ​
12345 [234]

{h}^{ - 1} oh(x) = x \\  {h}^{ - 1} (4x + m) = x \\ 2k(4x + m) +  \frac{5}{8}  = x \\ 8kx + 2km +  \frac{5}{8}  = x

k and m must satisfy 8k = 1 mean k = ⅛

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4 0
3 years ago
Mikel has a poster that she wants to copy onto a mural at school. The dimensions of the poster are shown below.
nata0808 [166]
<h2><u>Answer:</u></h2>

The area of the poster would be <u>20ft².</u>

<h2><u>Step-by-step explanation:</u></h2>
  • First, double both the length and the width.

        LENGTH : 2 x 2 = 4

        WIDTH : 2.5 x 2 = 5

  • Use these new dimensions to work out the area

        4 x 5 = <u>20ft²</u>

5 0
2 years ago
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