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3 years ago

The formula = 21+ 2m is used when calculating:

Mathematics

1 answer:

Vaselesa [24]3 years ago

3 0

I’m pretty sure it’s B) perimeter of a rectangle, I’m sorry if it’s wrong

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A line has a slope of -3/4 and has a y intercept of 3. What is the x intercept of the line

natima [27]

Answer:

The x-intercept is 4

Step-by-step explanation:

We are given;

The slope of a line as -3/4

y-intercept is 3

We are supposed to determine the x-intercept;

We need to know that;

The slope of a line is given by the ratio of the change in y to the change in x

The coordinates of y-intercept are (0, 3)

Taking the x-intercept as a, then the coordinates of x-intercept is (a, 0)

But;

slope = Δ in y ÷ Δ in x

Therefore;

$\frac{0-3}{a-0}= \frac{-3}{4}$

Solving for a

$-3a = -12 \\ a =4$

Therefore, the x-intercept is 4

3 0

3 years ago

Does (2,-3) make the equation y = -3 true

Sergio [31]

Yes because no matter what x value you put, the y value will stay the same.

3 0

3 years ago

Make n the subject of m= 4n-gn+1

Misha Larkins [42]

Answer:

n = (m-1)/(4-g)

Step-by-step explanation:

m= 4n-gn+1

Subtract 1 from each side

m-1= 4n-gn+1-1

m-1 = 4n -gn

Factor out n

m-1 = n(4-g)

Divide each side by (4-g)

(m-1)/(4-g) = n(4-g)/(4-g)

(m-1)/(4-g) = n

n = (m-1)/(4-g)

6 0

3 years ago

Read 2 more answers

Rewrite the following linear equations in slope-intercept form. write your answer with no spaces. v+4=-2(x-1)

lukranit [14]

V + 4 = -2(x - 1)

v + 4 = -2x + 2

v = -2x - 2. [ Final answer]

Hope this helps!

6 0

3 years ago

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4(b-3)=6 put the steps in Oder to solve the equation from first to last

aksik [14]

Answer:

b= 9/2

Step-by-step explanation:

4(b-3)=6

(b-3)=6/4

b-3 = 3/2

b = (3/2) + 3

b = (3 + 6)/2

b= 9/2

4 0

3 years ago

Read 2 more answers