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atroni [7]
3 years ago
9

Need help with practice test question

Mathematics
1 answer:
Roman55 [17]3 years ago
3 0

Answer24

Step-by-step explanation: Expain what do you think do your best

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A rectangle has a height of 5 and a width of 4x^2-2x-6 . Express the area of the entire rectangle.
professor190 [17]

Answer:

20x² - 10x - 30

Step-by-step explanation:

Height = 5

Width = 4x² - 2x - 6

Area of rectangle = length × breadth

Area of triangle = height × width

Area = 5 × (4x² - 2x - 6)

Area = 20x² - 10x - 30

Area of the rectangle is 20x² - 10x - 30

5 0
4 years ago
Find the size of angle X.
Olin [163]

Answer:

108°

Step-by-step explanation:

The reason for this is because opposite angles are equal

6 0
3 years ago
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At a charity​ fund-raiser, adult tickets were sold for ​$10 each and​ children's tickets were sold for $4 each. Write an algebra
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the all adult tickets made out 2440$

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3 0
3 years ago
If n² = 1/16, then n could be which of the following?<br> -1/4<br> 04<br> 4<br> 1/4
Lyrx [107]

Answer:

-1/4 & 1/4

Step-by-step explanation:

(-1/4)^2 = (-1)^2 / (4)^2 = 1/16

4^2 = 16

(-4)^2 = 16

(-8)^2 = 64

(1/4)^2 = (1)^2 / (4)^2 = 1/16

hope this helps! <3

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2 years ago
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Find the perimeter of the figure each unit is 1 centimeter
stealth61 [152]
Where's the picture? How am I supposed to solve with no picture? :/
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