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Elina [12.6K]
3 years ago
6

Y= -(x-1)(x+3) has how many roots

Mathematics
1 answer:
S_A_V [24]3 years ago
5 0

Answer:

two

Step-by-step explanation:

Two

x - 1 = 0

x = 1

x + 3 = 0

x = - 3

You can see them for your self. The roots are the points where the graph cuts the x axis.

(1,0) and

(-3,0)

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Alyssa is selling bags of peanuts to raise money for a fundraiser. So far, she has sold 36 bags of peanuts. This is 45% of her g
Alja [10]
X- Alyssa's goal
\frac{36}{x}*100%=45%
\frac{36}{x}=\frac{45}{100}
36*100=45x
3600=45x /:45
x=80 
Her goal was 80 bags of peanuts
6 0
3 years ago
A dog uses 30 lbs of dog food per day. How many pounds are used in a year?
Ludmilka [50]
To solve this we would do 30×365

We would do this because each day the dog 30lbs

So we have the equation y=30x
Where y= total amount of dog food
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3 years ago
F(9) if f(x) = 5x - 16
MariettaO [177]
Here is your answer
6 0
2 years ago
Triangle PQR was dilated according to the rule DO,2(x,y)(2x,2y) to create similar triangle P'Q'Q. On a coordinate plane, (0, 0)
Readme [11.4K]

Answer:

1 and 4

Step-by-step explanation:

Ed2020

8 0
3 years ago
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A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. Round answers to nearest tent
AlexFokin [52]

Answer:

39.275

Step-by-step explanation:

the diameter of the semicircle is 10

A semicircle is half a circle, and a quarter circle is 1/4 of a circle.

Perimeter of a semicircle is ¶d/2

= 3.142 x 10/2 = 3.142 x 5 = 15.71

For 2 semicircles that will be 15.71 x 2 = 31.42

For the quarter circle, perimeter is ¶d/4 = 3.142 x 10/4 = 3.142 x 2.5 = 7.855

Total perimeter = 31.42 + 7.855 = 39.275

5 0
3 years ago
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