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4 years ago

Explain why the decimal point moves when you rewrite a percent as a decimal and when you rewrite a decimal as a percent.

1 answer:

6 0

Well say you have 10% and you want to change it to a decimal. 10% is the same as 10/100 or 10 divided by 100 which makes us move the decimal to the left twice.
I hope I helped :)

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Solve for x<br> 6x+ 76x = 5x - 1

Xelga [282]

Answer:

Step-by-step explanation:

6x+76x=5x-1

82x=5x-1

82x-5×=-1

77x=-1

X=-1/-77

X=1/77

4 0

3 years ago

Christina is saving money to buy a bike that cost 189 he saves 99 so far he plans on saving $10 each week and how many weeks wil

Alisiya [41]

Answer:

9 weeks

Step-by-step explanation: you add 10 until you get 189 then you count how many times you added 10

7 0

3 years ago

Which of the following is equivalent to (1/2)^-2t

Zepler [3.9K]

Answer:

Choice (3) $\left(2^2\right)^t$ is correct.

Step-by-step explanation:

Given expression is $\left(\frac{1}{2}\right)^{-2t}$

Now we need to simplify this and check which of the given choices best match with it.

$\left(\frac{1}{2}\right)^{-2t}$

$=\left(\frac{1}{2^1}\right)^{-2t}$

$=\left(2^{-1}\right)^{-2t}$ {using formula $=\frac{1}{x^m}=x^{-m}$ }

$=\left(2^{-1}\right)^{-2t}$ {using formula $=\left(x^m\right)^n=x^{\left(m\cdot n\right)}$ }

$=2^{\left(-1\right)\left(-2t\right)}$

$=2^{2t}$

$=\left(2^2\right)^t$ {using formula $=\left(x^m\right)^n=x^{\left(m\cdot n\right)}$ }

Hence choice (3) $\left(2^2\right)^t$ is correct.

8 0

3 years ago

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I need help with this question

scoray [572]

The answer is C hope that helps

5 0

4 years ago

2+363892917382827363

pentagon [3]

Answer:

363892917382827365

Step-by-step explanation:

thats how one adds

3 0

3 years ago

Read 2 more answers