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ASHA 777 [7]
3 years ago
8

What are the coefficients in this expression? 2x +9y+(-4) Select all that apply.

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
7 0

Answer: A and B

Step-by-step explanation:

Coefficient is the number or term that came before a variable.

If you can't understand this, I will provide some examples.

  • Coefficient in 3x is 3, 3 came before x which is a variable

-------------------------------------------------------------------

2x + 9y + (-4)

2x: coefficient is 2

9y: coefficient is 9

-4: no coefficient, it is just a constant

zalisa [80]3 years ago
6 0
A) 2 and B) 9
Coefficients are the numbers in front of a variable. The x and y wouldn’t be considered coefficients.
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Well first you need to find the unit rate. Divide 15 by 3.....get 5 minutes for 1 mile. Then you would multiply 5 by 8 which is 40 so 40 minutes (B) is your answer :)
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Jesse played two days of golf. On the second day, he got a score of -6. His total score for the two days was 0. Define a variabl
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3 0
3 years ago
What is the equation of a line that has a slope of 0 and goes through the point (4, 10)?
kompoz [17]

Answer:

y =10

Step-by-step explanation:

The equation of a line in point slope form is expressed as;

y - y0 = m(x-x0)

m is the slope

(x0, y0) is the point on the line

Given

m = 0 and (x0, y0) = (4, 10)

On substituting;

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Hence the required equation of the line is y =10

4 0
3 years ago
I need help with #14. I checked on Desmos to see if they represent the same line, which they do. But how do you know if they rep
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3 years ago
PLEASE HELP WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!
Paraphin [41]

the overhead, fixed costs, is $1000.

the variable cost is $200, so if she sells "x" tiles, then her costs is 200*x or 200x.

total costs then will just be C(x) = 200x + 1000.

namely both costs added together.

Revenue is just how much it's been taken in from the sales, since each tile is selling for $240, then the revenue is simply 240*x or just R(x) = 240x.

break even point is when those two guys equal each other

\bf \stackrel{R(x)}{240x}=\stackrel{C(x)}{200x+1000}\implies 40x=1000\implies x=\cfrac{1000}{40}\implies x=25

what if the cost for each tile were $220, 20 bucks more?

\bf \stackrel{R(x)}{240x}=\stackrel{C(x)}{220x+1000}\implies 20x=1000\implies x=\cfrac{1000}{20}\implies x=50

well, if the cost for each tile is $200, her break-even point is at 25 units, namely once she has sold 25 tiles, she's has lost nothing, has won nothing either, but hasn't lost anything.

if the cost is however $220 instead, her break-even point comes much later, at 50 units, so she'll have to sell more tiles in order to not have any losses, so she's worse off if the cost is more or course.

4 0
3 years ago
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