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Anettt [7]
3 years ago
8

8+4m=9m-7 check solution

Mathematics
2 answers:
ella [17]3 years ago
4 0
8+4m=9m-7 \\\\ 4m-9m=-7-8 \\\\ -5m=-15 \\\\ \boxed{m=\frac{-15}{-5}=3}
Karo-lina-s [1.5K]3 years ago
3 0
8+4m=9m-7\ \ \ \ |subtract\ 4m\ from\ each\ side\\\\
8=5m-7\ \ \ \ \ |add\ 7 \ to \ each\ side\\\\
15=5m\ \ \ \ |divide\ by\ 5\\\\
m=3\\\\Solution\ is\ m=3.
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HELPP, Lines parallel, Perpendicular, Neither? URGENT HELPPP.
VLD [36.1K]

Answer:

perpendicular I believe

Step-by-step explanation:

I'd plot the points and make a line using a ruler to check though.

8 0
2 years ago
I need help I’ll give u brainliest but i need an explanation or I can’t give it
slamgirl [31]

Answer:

the answer is a

Step-by-step explanation:

6 0
3 years ago
A local tree farm is donating 50 trees. The students will plant some of the trees at the school and the rest at the library.
Alex17521 [72]

Answer:

6

Step-by-step explanation:

First you know they have <em>50 </em>trees. Then, you know <em>3</em> of <u>25</u> will die.

<u>25</u>*<u>2</u>=<em>50</em>. <em>3</em>*<u>2</u>=6.

8 0
2 years ago
The left and right pages of an open book are two consecutive integers whose sum is 359. Find these page numbers
ZanzabumX [31]

179 and 180

consecutive numbers have a difference of 1 between them

let the 2 numbers be n and n + 1, then

n + n + 1 = 359

2n + 1 = 359 ( subtract 1 from both sides )

2n = 358 ( divide both sides by 2 )

n = 179 and n + 1 = 179 + 1 = 180

the 2 pages are 179 and 180



6 0
3 years ago
What is the domain of the function f(x) =x+1/<br> X^2-6x+8?
SpyIntel [72]

Answer:

The domain of the function is all real values of x, except x = 4 and x = 2

Step-by-step explanation:

We are given the following function:

f(x) = \frac{x+1}{x^2-6x+8}

It's a fraction, so the domain is all the real values except those in which the denominator is 0.

Denominator:

Quadratic equation with a = 1, b = -6, c = 8

Using bhaskara, the denominator is 0 for these following values of x:

\Delta = (-6)^2 - 4(1)(8) = 36-32 = 4

x_{1} = \frac{-(-6) + \sqrt{4}}{2} = 4

x_{2} = \frac{-(-6) - \sqrt{4}}{2} = 2

The domain of the function is all real values of x, except x = 4 and x = 2

8 0
3 years ago
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