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enyata [817]
2 years ago
11

Write each expression below in radical form and compute the value without using a calculator.

Mathematics
1 answer:
gregori [183]2 years ago
5 0

Assuming that an exponentiation sign is missing, all you need to know is that rational exponents work like this:

a^{\frac{b}{c}}=\sqrt[c]{a^b}

So, you have

25^{\frac{5}{2}}=\sqrt{25^5}=\sqrt{(5^2)^5}=5^5

And similarly,

81^{\frac{7}{4}}=\sqrt[4]{25^7}=\sqrt[4]{(3^4)^7}=3^7

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8.35 &lt; 3x +18.75<br> Pls help
zzz [600]

Step-by-step explanation:

8.35 < 3x + 18.75

3x + 18.75 > 8.35

3x > 8.35 - 18.75

3x > -10.4

x > -3.47

5 0
3 years ago
Martina chose a random sample of 10 bags of candy from two different Brands, A and B. All bags in the sample are the same size.
Alborosie
I found the dot plots that accompanies this problem.

Based on the plots, the <span>statement that gives is a valid comparison of the number of candies in the bags of the two Brands is:

</span><span>B. The number of candies in the bags from Brand B is greater and less consistent than the number of candies in the bags from Brand A.

Dots in Brand B are scattered and whereas dots in Brand A are not and they are more concentrated between 52 to 55 range. </span>

7 0
2 years ago
Mary has four daughters, and each of her daughters has a brother. How many children does Mary have?
Jet001 [13]

Answer:

um 8??

Step-by-step explanation:

5 0
3 years ago
If X=20°, Y=135°, what will Z be
Veronika [31]

The value of Z would be 225°

<h3>What is the angle at a point?</h3>

The angle at a point are angles that add up to 360°

Thus, X + Y + Z = 360°

X = 20°

Y = 135°

Then, Z = 360° - X - Y

Z = 360° - 20° + 135°

Z = 360° - 155°

Z = 205°

Therefore, the value of Z is 205°

Learn more about angle at a point here:

brainly.com/question/24839702

#SPJ1

6 0
1 year ago
Divide using long division.<br><br> <img src="https://tex.z-dn.net/?f=%28x%5E%7B2%7D%20-5%29" id="TexFormula1" title="(x^{2} -5)
Morgarella [4.7K]

Answer:

The quotient = x + 5 and the remainder = 20

Step-by-step explanation:

\frac{x^{2}+0-5 }{x-5}=x+\frac{5x-5}{x-5}

\frac{5x-5}{x-5}=5+\frac{20}{x-5}

The quotient = x + 5 and the remainder = 20

4 0
3 years ago
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