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Andre45 [30]
3 years ago
7

Can someone please help me with math

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Answer:

7 is B

8 is C

9 is D

Step-by-step explanation:

Hey There!

So as you can see in the first image the slope of a line that passes through the coordinates (-3,1) and (5,-7) is -1

As you can see in the second image the equation of the line that passes through the points (-2,5) and (3,15) is y=2x+9

The last one is D because the equation is a=2b-3

The statement that says a is equal to 3 LESS then TWICE B is correct cause its saying that 2b - 3 is equal to a

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What foreign language is this bro (requires answer for part a and b )
kotegsom [21]

Given

a) x+x+x+x+x+x

b) 30y-12

Find

Equivalent expressions

Explanation

a) x + x + x + x + x + x = 6x

b) 30y-12 = 6(5y-2)

or

\begin{gathered} 30y-12 \\ 6\cdot5y-6\cdot2 \end{gathered}

Final Answer

a) the equivalent expression is 6x .

b) the equivalent expression is

\begin{gathered} 6\cdot5y-6\cdot2 \\ and \\ 6(5y-2) \end{gathered}

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2 years ago
How much does 9 go into 3
lisabon 2012 [21]

nine goes into the number 3 times


6 0
3 years ago
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Which expression is equivalent to StartFraction (2 m n) Superscript 4 Baseline Over 6 m Superscript negative 3 Baseline n Supers
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Answer: A.

Step-by-step explanation:

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3 years ago
What happens to the total mass of the atoms involved in a chemical reaction
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3 years ago
What is the equation of the line slope of 3 and passes through the point (-2, 3)?
elixir [45]

Answer:

\large\boxed{y-3=3(x+2)}\qquad\text{point-slope form}\\\boxed{y=3x+9}\qquad\text{slope-intercept form}\\\boxed{3x-y=-9}\qquad\text{standard form}\\\boxed{3x-y+9=0}\qquad\text{general form}

Step-by-step explanation:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

We have the slope m = 3 and the point (-2, 3). Substitute:

y-3=3(x-(-2))\\\\y-3=3(x+2)

the point-slope form

y-3=3(x+2)        <em>use the distributive property</em>

y-3=3x+6           <em>add 3 to both sides</em>

y=3x+9

the slope-intercept form

y=3x+9           <em>subtract 3x from both sides</em>

-3x+y=9         <em>change the signs</em>

3x-y=-9

the standard form

3x-y=-9              <em>add 9 to both sides</em>

3x-y+9=0

the general form

8 0
4 years ago
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