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cestrela7 [59]
3 years ago
6

A function is created to represent the costs of living per person in the family. What restrictions would be made to the domain?

Mathematics
2 answers:
Sophie [7]3 years ago
7 0
The answer to this problem is B: the domain would only include positive numbers.

I hope this helps!! 
mihalych1998 [28]3 years ago
5 0
Your answer is (B). :)
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Find the equation of the line passing through the point (4,−1) that is parallel to the line 2x−3y=9.
motikmotik

Hey there!

Line passes through (4, -1) & is parallel to 2x -3y=9

Let's start off by identifying what our slope is. In the slope-intercept form y=mx+b, we know that "m" is our slope.

The given equation needs to be converted into slope-intercept form and we can do this by getting y onto its own side of the equal sign.

Start off by subtracting 2x from both sides.

-3y = -2x + 9

Then, divide both sides by -3.

y = (-2x + 9)/-3

Simplify.

y = 2/3x - 3

"M" is simply a place mat so if we look at our given line, the "m" value is 2/3. Therefore, our slope is 2/3.

We should also note that we're looking for a line that's parallel to the given one. This means that our new line has the same slope as our given line. Therefore, our new line has a slope of 2/3.

Now, we use point-slope form ( y-y₁=m(x-x₁) ) to complete our task of finding a line that passes through (4, -1). Our new slope is 2/3 & it passes through (4, -1).

y-y₁=m(x-x₁)

Let's start by plugging in 2/3 for m (our new slope), 4 for x1 and -1 for y1.

y - (-1) = 2/3(x - 4)

Simplify.

y + 1 = 2/3 + 8/3

Simplify by subtracting 1 from both sides.

y = 2/3x + 8/3 - 1

Simplify.

y = 2/3x + 5/3

~Hope I helped!~

7 0
3 years ago
What is the sum if the first 22 terms of the following series? 86 + 79 + 72 + 65 +58+...
Arturiano [62]
Seems to be an arythmetic sequence
Sn=[n(a1+an)]/2
where
Sn means sum of all terms up the nth term
n=number of terms
a1=first term
an=nth term

so from 86 to the 22th term is from a1 to a22

find teh sequence
miknus 7 each time
an=a1+d(n-1)
an=87-7(n-1)
find 22n term
a22=87-7(22-1)
a22=87-7(21)
a22=87-147
a22=-60

S22=[22(87-60)]/2
S22=[22(27)]/2
S22=594/2
S22=297

the sum is 297

5 0
3 years ago
1. Write an expression for the operation described below.<br> w minus 3
pentagon [3]

Answer:

w-3

Step-by-step explanation:

Do I really have to explain this??

4 0
3 years ago
Any help would be appreciated(brainly for best answer)
svp [43]

Answer:

i believe it is the answer on the right because alternate interior angles add up to 180 degrees

3 0
3 years ago
Read 2 more answers
Can you Graph the image A(4,-1) after a translation 7 units up?
rusak2 [61]
(4,6) is the correct answer
4 0
3 years ago
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