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3 years ago

Mx + nx = p solve for x

1 answer:

8 0

Mx + nx = p
You can factor x out of the mx + nx. 
x(m + n) = p 
Now, simply divide by the m + n. 
x = p / (m + n)

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a water tank can hold up 80 gallons of water. if it is 40% full now. how many gallons of water does the tank contain?

valkas [14]

Answer:

32 gallons of water

Step-by-step explanation:

If the total tank can hold up to 80 gallons of water, it is considered full when it contains 80 gallons. When the tank is 40% full, it has 40% of 80 gallons in the tank. 40% of 80 is 40/100*80=8*4=32 gallons of water.

4 0

3 years ago

What is an equation in slope-intercept form for the line that passes through the points (1,-3) and (3,1)

sergey [27]

Step-by-step explanation:

Hey there!

Note: Use double point formula for finding the eqaution which passes through two points.

Given;

The points are; (1,-3) and (3,1).

Use double point formula.

$(y - y1) = \frac{y2 - y1}{x2 - x2} (y - y1)$

Put all values.

$(y + 3) = \frac{1 + 3}{3 - 1} (x - 1)$

Simplify it.

$(y + 3) = \frac{4}{2} (x - 1)$

$y + 3 = 2(x - 1)$

$y + 3 = 2x - 2$

$y = 2x - 2 - 3$

$y = 2x - 5$

Therefore, the eqaution is y = 2x-5.

Alternative:

Steps:

Find slope using slope formula and use one point formula.
Simplify in the form of y = mx+c form.

Formula:

Slope = (y2-y1)/(x2-x1)
One point formula= (y-y1)= m(x-x1)

The points are; (1,-3) and (3,1).

Now;

Slope= (1- (-3))/(3-1)

= (1+3)/2

= 2

Again;

Using one-point formula.

(y+3) = 2(x-1)

y+3= 2x-2

y = 2x -5

Therefore, the equation is y = 2x-5.

(You can follow up any method you want)

Hope it helps....

3 0

3 years ago

Since no one cared to help last time I posted this

nekit [7.7K]

If you have any more questions let me know!

4 0

3 years ago

What is -7/9 x -2/3 in simplest form

Artyom0805 [142]

Answer:

the answer is 14/27

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Lines m and n are parallel. Which of the other 5 named angles have a measure of 110°?

Cloud [144]

Answer:

2 and angle that is left of 5

Step-by-step explanation:

Angle 2 is vertical from 110, and vertical angles are congruent. From this, we can figure out that 2 and 3 (they're supplementary) are 70. Angles 5 and 3 are Alternate Interior Angles, and therefore must be congruent. The one to the left of 5 is supplementary to it, and therefore must be 110. Your answers are angle 2 and the angle that is left of 5.

4 0

3 years ago