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atroni [7]
3 years ago
8

Can someone help me with this please

Mathematics
1 answer:
Alecsey [184]3 years ago
5 0

Answer:

A

Step-by-step explanation:

1) y = -x + 6

2) y = x - 6

The line with a positive slope (2) crosses the y-axis (vertical line) at - 6 (positive slope line goes uphill)

The line with the negative slope (1) crosses the y-axis at 6. (Negative slope goes downhill)

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The function, f(x), describes the height of a dome on top of a building, where f(x) is the height from the base of the dome and
Anit [1.1K]

The height of the dome of the building is given by

f(x)=2\sqrt{-x^2+10x}. The quantity in the square root should be greater than or equal to 0. We need

-x^2+10x\geq 0\\ x(10-x)\geq 0\\ 0\leq x\leq 10.

So the domain is 0\leq x\leq 10

5 0
3 years ago
Read 2 more answers
HELPPP HELPPPP. iS this function or relation and why?
poizon [28]

Answer:

a function, it passes the vertical line test

Step-by-step explanation:

7 0
4 years ago
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Needed quickly like asap
Artemon [7]
It is 18/20 and in simplest form it is 9/10.


Steps:
1.You have to add all the shirts, 2+7+11. This is 20, this will become your denominator

2. See what portion is NOT BLACK, the non black at 7 and 11, once you add these it becomes 18. 18 is now your numerator.

3. You now have the fraction 18/20 which you can simplify into 9/10




Hope this helps :)
4 0
3 years ago
Explain why math is important in your everyday life. Give an example.
g100num [7]

Answer:

People use math knowledge when cooking. For example, it is very common to use a half or double of a recipe. In this case, people use proportions and ratios to make correct calculations for each ingredient. If a recipe calls for 2/3 of a cup of flour, the cook has to calculate how much is half or double of 2/3 of a cup.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
I don't undestand how to solve this problem
satela [25.4K]

Answer:

Volume = 20

Step-by-step explanation:

To find volume of the shape you split the shape into two shapes: A triangle or pyramid and a rectangle

The volujme of a rectangle is W x L x H

A = 2 x 5 x 8

A = 80

The volume of a pyramid is

A = \frac{1}{2}Bh    The B is the area of the base so B = L x W = 5 x 2 = 10 so B = 10

A = \frac{1}{2} 10 x 4

A = \frac{1}{2} 40

A = 20

4 0
3 years ago
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