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Mrrafil [7]
3 years ago
8

Y=-3x + 12 Determine the intercepts of the line

Mathematics
1 answer:
Sphinxa [80]3 years ago
8 0
The y intercept is 12
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Which inequality is represented by the following graph
12345 [234]

Answer: x > -8

Step-by-step explanation: the line is going to 8 then 9, 10, etc. so greater than ; the circle on #8 isn't filled in so there won't be a line by the sign

5 0
3 years ago
Two cars are traveling north along a highway. The first drives at 40 mph, and the second, which leaves 3 hours later, travels at
belka [17]

Answer:

Step-by-step explanation:

We will make a table and fill it in according to the information provided. What this question is asking us to find, in the end, is how long did it take the cars to travel the same distance. In other words, how long, t, til car 1's distance = car 2's distance. The table looks like this:

              d     =      r     *     t

car1

car2

We can fill in the rates right away:

             d       =      r     *     t

car1                       40

car2                       60

Now it tells us that car 2 leaves 3 hours after car 1, so logically that means that car 1 has been driving 3 hours longer than car 2:

            d     =      r      *      t

car1                     40         t + 3

car2                     60           t

Because distance = rate * time, the distances fill in like this:

                   d      =      r      *      t

car1    40(t + 3)    =      40        t+3

car2          60t     =       60         t

Going back to the interpretation of the original question, I am looking to solve for t when the distance of car 1 = the distance of car 2. Therefore,

40(t+3) = 60t and

40t + 120 = 60t and

120 = 20t so

t = 6 hours.

8 0
4 years ago
Which of the following phrases can be written as the algebraic expression 76−(x+3) ?
lapo4ka [179]
The correct answer should be E, The sum of a number and three subtracted from seventy-six.

“A number” represented by x, is added to 3, and is therefore labeled a sum.
(x+3)
This sum is then subtracted from 76.
76-(x+3)
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3 years ago
CAN SOMEONE FIND THE SURFACE AREA PLS AND THANK YOUU
Pepsi [2]
Yup I found that the surface area is very brown
6 0
3 years ago
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What method can be used to write the equation of a line in slope-intercept form given two points? plzzzz answer im being timed ​
Trava [24]

Answer:

slope intercept form is : y = mx + b

where m is the slope and b is the y-intercept.

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Is found using the two pints.

The apostrophe is used to denote the other point, different from point (x,y).

once you have the slope, m for the equation y = mx + b ; use one of the points as (x,y) to solve for b.

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