2 years ago

Which is the best explanation ?

Mathematics

2 answers:

kipiarov [429]2 years ago

7 0

Answer:

Step-by-step explanation:

The student hasn't finished the factoring yet.

He still needs the step:

0 = (2x + 5)(x + 1)

The next step:

0 = 2x + 5, 0 = x + 1
x = - 2.5, x = - 1

irina1246 [14]2 years ago

3 0

Answer:

Step-by-step explanation:

You might be interested in

Are the expressions equivalent? 8(6f)=f(8.6)

s2008m [1.1K]

Answer: no

Step-by-step explanation: 48f does not equal 8.6f

5 0

3 years ago

A self-serve car wash charges $5.34 to use its facilities, plus an additional $0.78 for each minute the customer is at the self-

erma4kov [3.2K]

T = 5.34 + 0.78m

T = 5.34 + 0.78 * 5

T = 5.34 + 3.9

T = 9.24

Tina was charged $9.24 at the car wash for 5 minutes.

3 0

3 years ago

Read 2 more answers

Please answer this for me

Nezavi [6.7K]

$\sqrt{3$ Answer:

Step-by-step explanation:

take 45 degree as reference angle

using sin rule

sin 45=opposite/hypotenuse

1/ $\sqrt{2$ =x/26

x=26/ $\sqrt{2$

x=13 $\sqrt{2$

x=18.4

4 0

2 years ago

??????????????????????

nalin [4]

Answer:

??????????????????????????????????????????????????

Step-by-step explanation:

heyyyyyyy

6 0

3 years ago

The domain of y = cos x is _______.

Lana71 [14]

ANSWER

d. The set of all real numbers

EXPLANATION

The basic cosine function ,

$y = \cos(x)$

is continuous everywhere.

The function is defined for all real values of x.

The domain is the set all values of x that will make the function defined.

The domain is all real numbers.

The correct choice is D.

6 0

3 years ago