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3 years ago

11

All rectangles have two pairs of parallel sides and four right angles.All squares are rectangles.What do you know about the side

s and angles of a square?

1 answer:

weeeeeb [17]3 years ago

3 0

Answer:

I'm doing a challenge. This is my answer. IDK.

Step-by-step explanation:

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Emily's bill for dinner at a restaurant was $61. She left an 18% tip. What was the amount of the tip?

UkoKoshka [18]

You cross multiply. So 61 over 18 = x over 100. You multiply 61 and get the answer of 1600. Now with what you have left, you divide that with 18 and you should get your answer of <span>338.888889. Make sure to round it to whatever it tells you to round to!</span>

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4 years ago

How would you solve this equation? It uses logarithms.

slega [8]

$\bf log_{{ a}}\left( x^{{ b}} \right)\implies {{ b}}\cdot log_{{ a}}(x)\\\\
-----------------------------\\\\
2^{x+1}=5^{2x-1}\implies log(2^{x+1})=log(5^{2x-1})
\\\\\\
(x+1)log(2)=(2x-1)log(5)\implies (x+1)\cfrac{log(2)}{log(5)}=(2x-1)
\\\\\\
now\quad \cfrac{log(2)}{log(5)}\textit{ is just a constant about }0.43068$

and you can simply solve that for "x"

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3 years ago

How do you simplify sqrt 96 *

EleoNora [17]

Answer:

4 times the square root of 6 (4 $\sqrt{6}$ )

Step-by-step explanation:

Use a factor tree

4 0

3 years ago

Please I need help with this ASAP

Mnenie [13.5K]

Answer: asap rocky said 2+2=4 so the answer is 4 and 4*4 = 16 so 16 is not legal yet so add 2 and boom the answer is legal

Step-by-step explanation:

gotte

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3 years ago

What percent of 20 is 5?

elena-s [515]

Answer:

25%

Step-by-step explanation:

5 ÷ 20 = 0.25 (multiply by 100 to make a percentage)

0.25 x 100 = 25%

Hope this helped :-)

4 0

3 years ago