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frozen [14]
3 years ago
9

QUICCCKKK !!! what is (5x + 7) + (x+2)

Mathematics
1 answer:
Katena32 [7]3 years ago
3 0
I believe the answer would be 6x + 9
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Pls 79 points and no fake I will report you
V125BC [204]

Answer:

A: False

B: False

C: True

D: False

E: True

Step-by-step explanation:

Every true answer has a reasonable amountable difference.

Surprised to see someone not faking for points?

Hope this helped!

3 0
3 years ago
Find the slope and reduce.<br> P=(-8, 3) Q=(-6, 2)<br> Slope
Lyrx [107]

Answer:

-\frac{1}{2}

Step-by-step explanation:

Slope/Gradient = \frac{y1-y2}{x1-x2}

P = (-8 , 3) (x1, y1)

Q = (-6 , 2) (x2, y2)

Slope = \frac{3-2}{-8-(-6)} =\frac{1}{-8+6} = \frac{1}{-2} = -\frac{1}{2}

5 0
1 year ago
Read 2 more answers
Hey can anyone pls answer these math problems!!
Zepler [3.9K]

Answer:

1={5 and 3} 2={0} 3={0.209 and 4.791} 4={-3 and 4} 5={1 and 9} 6={-4.303 and -0.697}

Step-by-step explanation:

Your probably confused on what a, b, and c means.

The problems are written like this.

ax^2+bx+c=0

That formula finds the zeros.

For example 1:

x^2-8x+15=0\\ax^2-bx-c\\a=1\\b=-8\\c=15

Then use the formula

x=\frac{-b+-\sqrt{b^2-4ac} }{2a} \\\\x=\frac{-(-8)+-\sqrt{-8^2-4(1)(15)} }{2} \\x=\frac{8+-\sqrt{64-60} }{2} \\\\x=\frac{8+-2}{2}\\

If plus then 5, if minus then 3

CHECK:

x^2-8x+15=0\\5^2-8(5)+15=0\\25-40+15=0\\0=0\\3^2-8(3)+15=0\\9-24+15=0\\0=0

Hope this helps you understand how to do this by yourself.  Now to do the rest ;-;

5 0
2 years ago
I don’t know what to do
Gre4nikov [31]

Answer:

is it on a website or paper?

Step-by-step explanation:

6 0
3 years ago
Naila worked 3.5 hours more than Lisa. Together, they worked a total of 18 hours. Lisa worked h hours.
densk [106]

Answer:

Lisa = 7 hours and 15 minutes

Naila = 10 hours and 45 minutes

Step-by-step explanation:

Naila = N

Lisa = L

Naila worked:

N = 3.5 + L

In total, they worked:

N + L = 18

Lisa worked:

L = h

Substitute values into the total equation

3.5 + L  + L = 18

Solve

2L = 14.5

L = 7.25 = 7 hours and 15 minutes

N = 7.25 + 3.5 = 10.75 = 10 hours and 45 minutes

Hope this helps :)

7 0
3 years ago
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