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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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A certain book is sold in a paperback version for 4.75 or in a hardcover versoin for 11.50, If a copy of the book is being purch
mote1985 [20]

Answer:

$135

Step-by-step explanation:

Paperback=$4.75

Hardcover=$11.50

Multiply 4.75 and 20=95

Multiply 11.50 and 20=230

Subtract 230 and 95=135

so it would be $135

4 0
3 years ago
Norma and Albert both clean pools. Each charges a flat fee to clean a pool. Norma cleans 12 pools in 8 hours and earns $270. Alb
Novosadov [1.4K]

Answer:

1.5 per hour : 1.2 per hour

Step-by-step explanation:

The computation of the ratio is shown below:

For norma, the one pool would be

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And for albert, the one pool would be

= 9 pools ÷ 7.5 hours

= 1.2 per hour

So the ratio between them is

1.5 per hour : 1.2 per hour

4 0
2 years ago
What is the distance between (Negative 5, 4) and (Negative 1, 4)?
Marina CMI [18]

Answer:

4 units

Step-by-step explanation:

It would be 4 units because the units can't be negative if you are asking for the distance between them.

6 0
3 years ago
Read 2 more answers
Examine this system of equations. Which numbers can be multiplied by each equation so that when the two equations are added toge
Anna11 [10]

Answer:

The correct answer is A.

Step-by-step explanation:

1/5*-10/1=-10/5= -2

2/3*3/1=6/3=      2

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

                          0.

3 0
3 years ago
Oswaldo has read 65 pages of a book. That is 20% of the total number of pages. How many pages long is Oswaldos book? Plz plz plz
Katen [24]
We must multiply 20% by 5 in order to reach 100%.

To find out the total number of pages in Oswaldo's book, we must multiply his 20% (65) by 5, therefore:

65 * 5 = 325 total pages
6 0
3 years ago
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