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solniwko [45]
3 years ago
15

Choose the best description of the following number 18

Mathematics
1 answer:
Mrac [35]3 years ago
5 0

Answer:

4.243

step by step explanation:

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6 in.
asambeis [7]

Answer:

152 square inches

Step-by-step Explanation:

To answer this, please look at the picture below. We can find the area by separating and combine the value of areas after calculating three values for each areas. (Notice that when we separate them, we get three rectangles which we can use the formula of width × length)

We should get 80+48+24 which add up to 152.

In case if you are confused which parts you don't understand in these photos, you can ask in the comment.

5 0
2 years ago
The quotient of 3 times a number n and 6 is 8. What is the value of n?
Fantom [35]

Answer:

d

Step-by-step explanation:

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=-8%5E%5Cfrac%7B1%7D%7B3%7D" id="TexFormula1" title="-8^\frac{1}{3}" alt="-8^\frac{1}{3}" align
Charra [1.4K]

9514 1404 393

Answer:

  -2

Step-by-step explanation:

  -8^(1/3) = -(2^3)^(1/3) = -(2^(3/3)) = -2

6 0
3 years ago
Tammy is fertilizing her garden . The garden is in the shape of a rectangle. It’s length is feet and it’s width is 12feet. Suppo
Nezavi [6.7K]

Answer:

7

Step-by-step explanation:

12 x 12 = 144

144 divided by 20 = 7.2 but round it and get 7

--------------

(<em><u>not 100% sure it's correct)</u></em>

8 0
3 years ago
1 + 5sin^2x= 7sin^2x solve trig equation. Can you show me how to solve this trig equation?
pantera1 [17]

Answer: x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}

Step by step:

1 + 5\sin^2x= 7\sin^2x\\\sin^2 x\rightarrow z\\1 + 5z = 7z\\2z = 1\\z = \frac{1}{2}\implies \sin^2 x = \frac{1}{2}\\|\sin x| = \frac{1}{\sqrt{2}}\\\sin x = \pm\frac{1}{\sqrt{2}}=\pm\frac{\sqrt{2}}{2}\\\implies x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}

(Used a table of common angles)

8 0
3 years ago
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