2 years ago

How to tell if ratios are equivalent.

Mathematics

1 answer:

tatiyna2 years ago

8 0

Answer:

by multiplying each ratio by the second number of the other ratio

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Which expression is the simplest form of (27x^-9)^1/3?

lana [24]

$\sqrt[n]{a^m}=a^\frac{m}{n}\\\\\sqrt[n]{a}=a^\frac{1}{n}\\\\(a^n)^m=a^{nm}\\\\(a\cdot b)^n=a^n\cdot b^n\\\\(27x^{-9})^\frac{1}{3}=27^\frac{1}{3}(x^{-9})^\frac{1}{3}=\sqrt[3]{27}\cdot x^{-9\cdot\frac{1}{3}}=3x^{-3}=\dfrac{3}{x^3}$

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4 years ago

1.) Solve x - 9 = -12<br>-) Solve 2t + 7 = -1

Harlamova29_29 [7]

Answer:

1)x=3

2)t=-4

Step-by-step explanation:

x-9=-12

x=3

2t=-8

t=-4

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3 years ago

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To make sure the lobsters are cool but not frozen, you need to keep their temperature between 32 and 40 degrees Fahrenheit while

MaRussiya [10]

C=5/9(F-32) 5/9 =1.8 32-32= 0* 1.8 = 0 32F= 0Celsius 40-32=8* 14.4 40F= 14.4 CTemperature between 0-14 degrees Celsius

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3 years ago

Best Buy claims that 68% of people that walk into one of their stores end up not purchasing an item. To test this, they randomly

Tema [17]

Answer:

Yes.

Step-by-step explanation:

As long as the individual's that have been selected as part of the study were actually selected randomly then yes. If there was no bias or other external factors affecting the probability of getting chosen then these individual's would clearly represent the entire population of Best Buy customers. Therefore, if the data gathered from these individuals results in being 68% of that population that does not buy anything then this would result in a valid claim by Best Buy.

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3 years ago

Find the measure of the angle indicated in bold. Plus the theorem.

liberstina [14]

Consecutive interior theorem

X+96+96+x= 180
2x+192=180
2x= -12
X=-6

7 0

3 years ago