Solve -5(3 n + 4) = 40.

Answers

Answer 1

Answer: the answer is n=-4 because you need to solve for n

Answer 2

Answer: -5(3 n + 4) = 40
-15n-20=40
-15n=40+20
-15n=60
n=-4

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I need help with this math question on my study guide!Sadly, I do not remember how to do this and I would greatly appreciate any help you can offer.

Answers

Sadly is right. You must have practiced this stuff in middle school
until it was coming out of your ears. Fortunately, you have a chance
to relearn it now. You should do that ... it'll be important in any math
course you ever take.

'm' is the slope of the line on the graph.

The slope is

      (the change in 'y' between any two points on the line)
divided by
   (the change in 'x' between the same two points).

You can choose any two points on the line, and the slope is always the same.

To make it easy, look at the two points on this graph where the line crosses
the x-axis and the y-axis.

Going between these two points ...
-- the line goes up, from y=0 to y=4. The change in 'y' is 4 .
-- the line goes to the right, from x=-2 to x=0. The change in 'x' is 2 .

   'm' = the slope = (4)/(2) = 2 .

The "y-intercept" is the place where the line crosses the y-axis.
On this graph, that's the point where y=4 .

The equation of EVERY straight line on ANY graph is:

   Y = (the slope) times 'x' + (the y-intercept) .

So the equation of THIS line on THIS graph is

   Y = 2x + 4 .

Which one of the following fractions is equivalent to 1/2 a. 1/4 b. 2/4 c. 1/8 d. 2/8

Answers

B. 2/4 because if you reduce it, it equals 1/2

2/4
because if you multiply the numerator and the denominator in 1/2 by 2 you will get 2/4

1×2=2
2×2=4

What is an equation of the line in point-slope form?

(3.8) and (7,5)

Answers

This is one equation y-5=-3/4(x-7)

1 point1) Taylor and her family took a road trip. She explains that the equation y =
60x describes the proportional relationship between the number of miles,
y, her family traveled, to the number of hours, x, the trip took. Which
statement represents the same proportional relationship? *

Taylor's family traveled 50 miles in 1 hour.

Taylor's family traveled 120 miles in 2 hours.

Taylor's family traveled 180 miles in 4 hours.

Taylor's family traveled 200 miles in 5 hours.

Answers

Answer:

120 miles in 2 hours

Step-by-step explanation:

120 = 60(2)

T/F a radar gun records a car's speed. a sign displays the text speeding or not speeding. the text displayed is a random variable.

Answers

True, a radar gun records a car's speed and a sign displays the text "speeding" or "not speeding."

The text displayed is a random variable because it is determined by the car's speed, which is a random event. The radar gun measures the speed of the car, and based on that measurement, the sign will display either "speeding" or "not speeding." Since the car's speed is a random event, the text displayed on the sign is also a random variable.

Learn more about Speed

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70 oz of dried cranberries costs $5.60 what is the cost per ounce