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Kitty [74]
3 years ago
13

BRAINLIESTTT ASAP!!! PLEASE HELP ME :)

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0

Answer:

No.

Step-by-step explanation:

According to the Product-to-Power Exponential Rule, whenever you multiply terms with exponents and coefficients\variables, you add the exponents, NOT multiply:

{x}^{9}  =  {x}^{3}  \times  {x}^{3}  \times  {x}^{3}

NOT

{x}^{27} = ({x}^{3})^{9}  = ({x}^{9})^{3} = ({x}^{3})^{3}

I am joyous to assist you anytime.

slava [35]3 years ago
5 0

Answer:

No.

Step-by-step explanation:

They are not equivalent.

x^3 \cdot x^3 \cdot x^3 = x^{3 + 3 + 3} = x^9

x^{3 \cdot 3 \cdot 3} = x^{27}

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How many times greater was the temperature in Miami (45) than the lowest in San Diego (25)
Greeley [361]

Answer:

<em>The temperature in Miami is 9/5 times the temperature in San Diego.</em>

Step-by-step explanation:

<u>Ratios</u>

To compare the temperature in Miami (45) with the temperature in San Diego (25), we use the division or ratio between both numbers:

\displaystyle \frac{45}{25}

Simplify the fraction dividing by 5:

\displaystyle \frac{9}{5}

Since the relation between them is 9/5, it means the temperature in Miami is 9/5 times the temperature in San Diego.

3 0
3 years ago
Solve the following radical equation.<br>21*+2 - 18-3 = 18+9<br>x =​
stiks02 [169]

Answer:

x = -9, -2, and 3.

just set everything possible to 0.

since 0 = 0 it must be true.

4 0
3 years ago
Andrea is told that the means of two groups in a study were statistically significant. She knows the means and standard deviatio
salantis [7]

Answer:

Cohen's D

Step-by-step explanation:

Cohen's D is a statistic that measures effect size. It shows standardised difference between 2 means.

Effect size is defined as how large the effect of a something is or its magnitude.

Cohen's D works effectively when the sample is >50 (that is for large samples). However a correction factor can be used to make results from small samples more accurate

The formular for Cohen's D is:

D = (mean1 - mean2) ÷ (√({standard deviation1}^2 + {standard deviation 2}^2)/2)

This is the most appropriate method in the given scenario

5 0
3 years ago
Please help will give brainliest
spayn [35]

Answer:

2112

Step-by-step explanation:

we find the area of the base first

which is 16*12/2 because it is a right triangle

16*12/2 = 96

then we multiply the base by the height

22*96 = 2112

as a note, remember, prism volume is all base * height

brainliest if this was helpful

8 0
3 years ago
A farmer has 160 bushels of apple to sell at his roadside stand. He sells an average of
Damm [24]

Answer:

He sold 87-3/5 bushels in 6 days , he has 72-2/5 bushels left

Step-by-step explanation:

14-3/5 x 6 = Bushels sold in 6 days

6 0
3 years ago
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