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Crazy boy [7]
3 years ago
15

Y=−(x−1)(x+3) has how many real roots? A. 0 B. cannot be determined C. 2 D. 1

Mathematics
2 answers:
Anna [14]3 years ago
7 0

Answer

C:2

Step-by-step explanation:

S_A_V [24]3 years ago
4 0

Step-by-step explanation:

2 real roots in thequestipn

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(4x-1)(x+2)=4x <br> Solve by using the quadratic formula.
Ira Lisetskai [31]

Answer:

-3+radical(41)/8 , -3-radical(41)/8

6 0
3 years ago
One wee, Ethan earned $391.00 at his job when he worked for 23 hours. If he is paid the same hourly wage, how many hours would h
Snezhnost [94]

Answer:

6

Step-by-step explanation:

391/23=17 per hour

102/17=6 Hours

So he would have to work 6 hours to earn $102.00.

8 0
3 years ago
Please helpme with this
sertanlavr [38]

Step-by-step explanation:

Diameter =12 ft

i.e 2r=12

or, r=12/2 =6ft

SA =3πr²

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6 0
4 years ago
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3 years ago
What is the first step in solving the quadratic equation x^2=9 over 16
nikdorinn [45]

Answer:

"Take the square root of both sides of the equation"

A is correct

Step-by-step explanation:

We are given quadratic equation

We need to solve for x. We have to isolate x here.

Here square on x. So, first we get rid of square.

Taking square root both sides to get rid of square.

For example:

a2=25

sqare a2  = +- sqare 25

x2=9/16 to solve for x

sqare x2 +- sqre 9725

x=+- 3/5

Hence, "Take the square root of both sides of the equation"

3 0
4 years ago
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