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Ulleksa [173]
3 years ago
10

A line has a slope of -2 and contains the points (3,5) and (4, y). The value of y is

Mathematics
1 answer:
stira [4]3 years ago
8 0

Answer:

y = 3

Step-by-step explanation:

Here we have:

change in y             y - 5

----------------- = -2 = ----------    or

change in x              4 - 3

 y - 5

---------- = -2, or y - 5 = -2.  Thus, y = 3

      1

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735 mil. Trip in 15 hours what was their average rate
nikdorinn [45]

Answer:

`49 MPH

Step-by-step explanation:

If it took them 15 hours to go 735 miles, and you are trying to find the average rate, then divide the miles by the time (in hours), so for this specific problem, it would be 735 divided by 15 hours, and you will find the answer as 49. (MPH)

5 0
3 years ago
the ratio of girls to boys in a grade is 6 to 5. If there are 24 girls in the grade then how many students are there altogether?
gtnhenbr [62]

Answer:

39

Step-by-step explanation:

3 0
3 years ago
I need help setting up my problem
Genrish500 [490]

The measure of angle A is 144.3 degrees and the angle to cut the molding is 54.3 degrees

<h3>How to solve for angle A?</h3>

Start by solving the acute part of angle A using the following sine function

sin(Ax) = (30 - 4)/32

Evaluate the quotient

sin(Ax) = 0.8125

Take the arc sin of both sides

Ax = 54.3

The measure of angle A is then calculated as:

A = 90 + Ax

This gives

A = 90 + 54.3

Evaluate

A = 144.3

Hence, the measure of angle A is 144.3 degrees

<h3>The angle to cut the molding</h3>

In (a), we have:

Ax = 54.3

This represents the angle where the molding would be cut

Hence, the angle to cut the molding is 54.3 degrees

Read more about angles at:

brainly.com/question/1592456

#SPJ1

4 0
1 year ago
. A television is advertised for sale at 33% off. The original price is x dollars. (a) Write two different equivalent expression
Pavlova-9 [17]

Answer:

x-(x times 33%)  or x times (100-33)%

Step-by-step explanation:

8 0
2 years ago
A certain fraction is greater than 2. The denominator is 8. What must be true about the numerator?
Volgvan

Answer:

The numerator must be greater than 16

Step-by-step explanation:

We are told that a certain fraction is greater than 2. Thus, if the numerator and denominator are x and y respectively, then we have;

x/y > 2

We are further told that the denominator is 8.

Thus;

x/8 > 2

Multiply both sides by 8 to give;

x > 16

Thus,the numerator must be greater than 16.

5 0
3 years ago
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