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Anna35 [415]
3 years ago
8

Find the equation of the line through (-8,-7) and (0,-9)

Mathematics
2 answers:
stira [4]3 years ago
6 0
What is the formula for this equation?
postnew [5]3 years ago
5 0
If the equation of the line is linear function, then the solution consist of theese steps:
1. equation of line y=kx+b, where k and b - numbers, x and y coordinates of points.
2. using the equation of the line it is possible to substitute coordinates of points into equation:
\left \{ {{-7=-8*k+b} \atop {-9=0*k+b}} \right. \ =\ \textgreater \  \  \left \{ {{-8k+b=-7} \atop {b=-9}} \right. \ =\ \textgreater \  \  \left \{ {{k=- \frac{1}{4}} \atop {b=-9}} \right.
3. the equation is:
y=- \frac{1}{4}x-9
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Please help and show your work!
Dahasolnce [82]
Its 78 because you multiply 3 and 26
3 0
2 years ago
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Hi there. I am having trouble with calculating in base 4. The problem is 2014-324=
Arlecino [84]

Answer:

The required answer is (201)_4-(32)_4=(103)_4.

Step-by-step explanation:

Consider the provided numbers:

We need to subtract in base 4.

(201)_4-(32)_4

The place value of 201 is:

1 is at units place, 0 is at four's place and 2 is at 4 squared place.

The place value of 32 is:

2 is at units place and 3 is at four's place.

201

- 32

Start subtracting the numbers from the unit place.

Here, we need to subtract 2 from 1, which is not possible so borrow 4 from the four's place but there is 0 at four's place so borrow from 4 squared place and change 2 to 1.

Also change 0 to 4 because we have borrow 4 from squared place.

Now 1 can borrow 4 from the four's place which will become 1+4=5 and change 4 at four's place to 3.

Now the number will look like this:

135

- 32

Now subtract the number as shown.

135

<u>- 32</u>

103

Hence, the required answer is (201)_4-(32)_4=(103)_4.

4 0
3 years ago
This year a small business had a total revenue of 48,300 if this is 38% more than their total revenue the previous year what was
riadik2000 [5.3K]

Answer:

$48,300  

100 + 38% = 138% or 1.38

$48,300 / 1.38 = $35,000

Check:

$35,000 * 1.38 = $48,300  

$35,000 * .38 = $13,300 (raise) + salary $35,000 =  $48,300

Step-by-step explanation:

5 0
3 years ago
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Round 104229 to the nearest ten thousand
saul85 [17]
That is a one hundred thousand number. To round it you need to know this: 5 or more make it go up (make it the next number. For example: 19,530. It would be rounded to 20,000 because of the 5) 4 or less let it be (EXAMPLE : 8,213. It would be 8,000. Because of the 4.) 

Then you need to find the ten thousand. In this case it is the 0. (104,229) Then you round it off to 100,000. The answer is 100,000.
3 0
3 years ago
In how many ways can a teacher arrange 5 students in the front row of a classroom with a total of 20 students?
aksik [14]
Slot method
5 slots

1st slot: 20
2nd slot: 19 (1 went to first slot)
3rd slot: 18
4th slot: 17
5th slot: 16

20*19*18*17*16=186,040 ways
5 0
3 years ago
Read 2 more answers
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