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Cerrena [4.2K]
3 years ago
7

Solve this for 10 points: 2x-3y+4y+2x+9y

Mathematics
2 answers:
mihalych1998 [28]3 years ago
5 0
4x-10y is the correct answer 2y isn’t right
Mekhanik [1.2K]3 years ago
4 0

Answer:

the answer . is 2y

Step-by-step explanation:

combine like terms

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1 pound of ground beef feeds 8 people. How much ground beef will you need for 5 people? Write an equation
DIA [1.3K]

Answer: 0.625 pound

Explanation:

1 pound = 8 people,

y pound = 5 people

Cross multiply to get

1 x 5 = 8y

5 = 8y

y = 5/8 = 0.625 pounds

Step-by-step explanation:

4 0
3 years ago
If f(x)=-5^x and g(x)=-3x-2, find (f-g)(x)<br> *high school*
-Dominant- [34]

Answer:

-5^x + 3x + 2

Step-by-step explanation:

(f - g)(x) = ƒ(x) -g(x) = -5^x -(-3x -2) = -5^x + 3x + 2

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=f%28x%29%3D-4x%5E%7B2%7D%2B5x" id="TexFormula1" title="f(x)=-4x^{2}+5x" alt="f(x)=-4x^{2}+5x"
JulijaS [17]

Answer:

Domain= (-inf,inf)/(-∞,∞)

Range= (-inf,25/16]

x-intercepts= (0,0), (5/4,0)

y-intercepts=(0,0)

vertex= maximum (5/8,25/16)

8 0
3 years ago
Which of the following is an arithmetic sequence?
gizmo_the_mogwai [7]
Hello,
Answer B

a_{0} = -8\\ a_{n+1} = a_{n} +2
6 0
3 years ago
The graph shows the solution to which system of equations?
Sedaia [141]
So let's start by guesstimating the slopes:
the green line has a slope close to -x, but more negative than that, possibly -2; the pink line has a slope close to +x, but higher towards +2.

Next let's look at the solution: the two lines intersect at the point (1, -1).
**you could just simple plug that x (1) into all the equations, but let's rule out answers anyway. ;)

A) is incorrect because the slopes of -1 and +1 are off from out predicted -2 and +2
B) is incorrect because of a similar reason, the slopes of +3 and +1 don't make any sense
C) Ooh, we do have a +2 and -2 for the slopes, and... violà! plug in 1 for the x's and we get -1 for the y in both equations
D) slopes are closer than in A and B, but plugging in 1 doesn't get us -1

So the correct answer is:
C) y = 2x - 3 and y = −2x + 1
6 0
3 years ago
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