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Kazeer [188]
4 years ago
13

How do I solve -9+8k=7+4k

Mathematics
1 answer:
MA_775_DIABLO [31]4 years ago
7 0
-9+8k=7+4k 
subtract 4k from both sides
-9+4k=7
add 9 to both sides
4k=16
divide both sides by 4
k=4
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The formula: y-y1 = m (x-x1) is known as:​
jarptica [38.1K]

Answer:

point slope form.

Step-by-step explanation:

this is different from slope intercept form. use these when dealing with cartesian graphs using slope and points along x, y

5 0
4 years ago
2x+4y=-8 what the x intercept
Ganezh [65]
<h3><u>The x intercept is -4.</u></h3>

To find the x intercept, all we need to do is replace the value of y with 0.

2x + 4(0) = -8

Solve for x.

2x = -8

Divide both sides by 2.

x = -4.


5 0
4 years ago
PLEASE HELP ME WITH THIS AND EXPLAIN
Stolb23 [73]
IF 12 copies cost $0.66 you have to divide 0.66/12 and you will get the cost for 1 copy: 0.66/12= $0.055 per each copy.
If Melyssa needs 56 copies, you have to multiply 0.055*56= $3.08 
3 0
4 years ago
-20(-8)=<br><br> Someone please help me with integers! :(
erastovalidia [21]

Answer:

160

Step-by-step explanation:

This is the answer because:

1) Whenever there are two negative factors, the answer will be a positive

- x - = +

Hope this helps!

8 0
4 years ago
Using f(x) = 4x + 6 with the domain of {-1,0,2}, find the range
konstantin123 [22]
The range is the output of the function, and there are many ways to find it and write it. Let's find it first by plugging in all the domain values (domain means input) into the function:
f(-1) = 4(-1)+6=-4+6=2
f(0) = 4(0)+6=0+6=6
f(2) = 4(2)+6 = 8+6=14

We have all of our values. We can either write the range as:
{2, 6, 14}

or, subtract the smallest value from the largest one:
14-2=12

So, there are those ways to write it, there are more, but I think you should stick with the first way because that's how the problem was presented to you. If you have any questions, hmu!

3 0
4 years ago
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