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2 years ago

15

Are these questions done correctly?

1 answer:

morpeh [17]2 years ago

6 0

For number 20 they are incorrect.
You must start with one number.
Ex: 4 (4) (4) (4) is 4 to the 3 power because their are three times it is multiplied.

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What are the steps to solve √(0.2)^(−2)?<br><br>(The answer is 5)

Nimfa-mama [501]

$\bf 0.\underline{2}\implies \cfrac{02}{1\underline{0}}\implies \stackrel{simplified}{\cfrac{1}{5}} \\\\[-0.35em] ~\dotfill\\\\ \left( \sqrt{0.2} \right)^{-2}\implies \left( \sqrt{\cfrac{1}{5}}\right)^{-2}\implies \left( \sqrt{\cfrac{5}{1}}\right)^{+2}\implies \cfrac{(\sqrt{5})^2}{(\sqrt{1})^2}\implies \cfrac{\sqrt{5^2}}{\sqrt{1^2}}\implies 5$

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2 years ago

A play was attended by 984 persons. 75% of them were adults how many adults attend

Ierofanga [76]

Answer:

738

Step-by-step explanation:

984 ÷ 100 = 9.84

9.84 × 75 = 738

75/100

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3 years ago

need help asap need help asap need help asap need help asap need help asap need help asap need help asap need help asap need hel

romanna [79]

Answer:

yes? what do you need help with

Step-by-step explanation:

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2 years ago

What is the distance between the following points?

Anastasy [175]

Answer:

distance = 5

Step-by-step explanation:

Use Pythagorean Theorem or Distance Formula (which comes from Pythagorean Thm anyway) see image.

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1 year ago

calculate the pH of a solution prepared by dissolving 1.75g of acetate, CH3COONa, in 60.5mL of 0.25M acetic acid, CH3COOH(aq). A

pentagon [3]

Answer:

PH= 5.00

Step-by-step explanation:

4 0

2 years ago