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Stels [109]
3 years ago
12

List the variables and constants in each expression. 3x+6

Mathematics
1 answer:
Iteru [2.4K]3 years ago
5 0
X is a variable
6 is a constant
3 is a coefficient
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Write an equation in slope - intercept form, and then find the slope and y- intercept 3x-y=14
NeX [460]

Answer:

slope-intercept form: y = 3x - 14

slope: 3

y-intercept: -14

Step-by-step explanation:

To find the equation in slope-intercept form, isolate the "y" variable by moving everything to the other side. Slope-intercept form looks like y = mx + b.

"x" and "y" mean points that are on the line.

"m" is the slope.

"b" is the y-intercept.

Rearrange the equation to isolate "y"

3x - y = 14

3x - 3x - y = 14 - 3x          Subtract 3x from both sides

-y = 14 - 3x          Multiply both sides by -1.

y = -14 + 3x          Put "3x" in front of "-14" because it has the 'x'

y = 3x - 14          Looks like y = mx + b

State the "m" and "b".

m = 3     (Slope of the line)

b = -14    (y-intercept of the line)

Therefore the equation of the line in slope-intercept form is y = 3x - 14. The slope is 3 and the y-intercept is -14.

3 0
3 years ago
casey ran a 75 meter race in 10 seconds her distances at certain times during the race are shown in the table . what is the doma
Troyanec [42]
The domain of the graph is everything x is allowed to equal. Parentheses are used to show that x can be everything up to, but not including that number. Brackets are used to show x can be anything up to, and including, that number. The comma between the two numbers indicates that x can be anything between those two numbers.

Here, the time goes on the x axis and the distance will go on the y axis.
Time: 0 1 2 3 4 5 6 7 8 9 10
<span>Distance: 0.0 5.5 12.0 20.0 28.5 36.0 44.0 56.5 64.0 75.0
</span>
Since we are dealing with the domain, we really only need to focus on the time.
Time: 0 1 2 3 4 5 6 7 8 9 10

From this, we see that the values go from 0 to 10. This means that x can be anything from 0 to 10. Because there are y values that correlate with the numbers 0 and 10, we know that the domain will include 0 and 10. This indicates we must use brackets. 

Knowing all of this information, we can now write our domain as:
[0, 10]
7 0
3 years ago
PLz, ANSWER! I WILL GIVE BRAINLIEST PLEASE AND THANK YOU &lt;3 <br><br><br>(Do part B)
Advocard [28]

Answer:

is not; 90; right; wrong; 11; wrong

Step-by-step explanation:

5 0
3 years ago
Please help me on this i don't understand it.
Bezzdna [24]

Answer:

D

Step-by-step explanation:

Independent and dependent variables are exactly what they sound like.

The amount of money he gets paid <em>depends </em>on how long he babysits.

The ages of the children don't matter at all.

6 0
3 years ago
Read 2 more answers
If B is the midpoint of AC, which of the following equations is correct?
Alecsey [184]

Answer:

BA + BC = AC

Step-by-step explanation:

B is the midpoint of AC

Then

BA = AC/2 and BC = AC/2

Then

BA + BC = AC/2 + AC/2 = AC

4 0
2 years ago
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