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Lena [83]
3 years ago
15

Pls help 15 points pls hurry

Mathematics
1 answer:
Alexus [3.1K]3 years ago
3 0

Answer:

5k and -3k are like variables

constants 7 and -2 are like terms

5+2k+n is equivalent expression

Step-by-step explanation:

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At a bake sale, students sold 3 muffins for every 8 cookies.the students sold 24 muffins altogether. how many cookies did they s
dsp73
64 Muffins

3:8
24:a

24/3 = y
y=8

a = 8 x y
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a = 64 muffins
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Would it be possible for quadratic to have more than one factored form? Why or why not.
Reika [66]
It would me because idk
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the moon is about 240,000 miles from earth .What is the distance written as a whole number multiplied by a power of ten?
sergij07 [2.7K]
24\underbrace{0,000}_{\leftarrow4}\ miles=24\times10^4\ \ miles
8 0
3 years ago
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Which set of ordered pairs in the form of (x,y) does not represent a function of x? {(-1,2), (3,-2),(0,1),(5,2}
serg [7]
For a relation to be a function it must be one-to-one or many-to-one.

One-to-many relation is not a function.

In the above options, C is One-to-many relation therefore cannot be a function.

The reason is that 3 alone maps onto -2 and 5, in the ordered pairs (3,-2) and (3,5). This disqualifies it from being a function.

Hence the graph of this relation will not pass the vertical line test

The correct answer is C
5 0
3 years ago
B is the midpoint of AC and E' is the midpoint of BD. If A(-9,-4), C(-1, 6), and E(-4,-3), find the coordinates of D.
Ipatiy [6.2K]
The coordinates for D are (-4, -7)

First we must locate point B as it is vital to finding the midpoint of BD. To do this, we take the average of the endpoints AC since B is its midpoint. 

x values = -9 + 1 = -8
Then divide by 2 for the average -8/2 = -4

y values = -4 + 6 = 2
Then divide by 2 for the average 2/2 = 1

Therefore B must be (-4, 1)

Now we know the values of E must be the average of B and D. So we can write equations for each coordinate since we know they are averages. 

x - values = (Bx + Dx)/2 = Ex
(-4 + Dx)/2 = -4 ---> multiply both sides by 2
-4 + Dx = -8 ---> add -4 to both sides
Dx = -4

y - values = (By + Dy)/2 = Ey
(1 + Dy)/2 = -3 ---> multiply both sides by 2
1 + Dy = -6 ---> subtract 1 from both side
Dy = -7

So the coordinates for D must be (-4, -7)
5 0
3 years ago
Read 2 more answers
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