4 years ago

True or false by definition a simple random sample of size n

Mathematics

1 answer:

Sophie [7]4 years ago

7 0

True

I hope I helped you out

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Find the percent of change for 90 is increased to 135.

Romashka-Z-Leto [24]

12 is the answer hope this helps

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3 years ago

A rectangle has dimensions of 15 centimeters long and 16 meters wide what is the area of the rectangle

Brrunno [24]

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4 years ago

Rewrite in simplest rational exponent form √x • 4√x. Show each step of your process.

Vikentia [17]

Step-by-step explanation:

$= \sqrt{x} .4 \sqrt{x}$

$= {x}^{ \frac{1}{2} } \times 4 {x}^{ \frac{1}{2} }$

$= 4 {x}^{ \frac{1}{2} + \frac{1}{2} }$

$= 4 {x}^{ \frac{2}{2} }$

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3 years ago

Which of the following rational exponent expressions is NOT simplified correctly as a radical expression?

mrs_skeptik [129]

Answer:

4th one

Step-by-step explanation:

$x^{\frac{5}{6} }$ must be $\sqrt[6]{x^{5} }$

8 0

3 years ago

Any help would be great.

Ket [755]

<u>Answer:</u>

log7

<u>Step-by-step explanation:</u>

We are given the following expression in terms of log and we are to solve it:

log (14/3) + log (11/5) - log (22/15)

Just to recall, when we divide two values that have the same base, we basically subtract the exponents.

So applying this rule here to get:

(log11 - log5) + (log14 - log3) - (log22 - log15)

= log11 - log5 + log14 - log3 - log2×11 + log5.3

= loh11 - log5 + log14 - log3 - log2 - log11 + log5 + log3

Cancelling out the like terms to get:

= log14 - log2

= log 14/2

= log7

8 0

4 years ago