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Rudik [331]
4 years ago
9

A^2-(b+c) in simplest form A=3x-4 b=x+7 C=x^2+2

Mathematics
1 answer:
Simora [160]4 years ago
3 0
The anwser 10x^2-25x+25

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Ignore everything I wrote but I’m supposed to be writing two-column proofs and I need help with these
zavuch27 [327]

What you have so far is perfect. You started with the given statements and then use the definition of midpoint to show that each piece is equal to one another.

From here, use the transitive property

We combine these two statements

  • WX = XY
  • XY = YZ

into the following

WX = YZ

So we can effectively say WX = XY = YZ meaning the segments WX, XY and YZ are all the same length.

Through similar logic, we can chain together

  • VW = WX
  • WX = XY

to get VW = XY

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

Consequently this means VW, WX, XY, and YZ are all the same length

Let's call that length m.

m = length of segment VW = length of WX = etc etc

This means,

VY = VW+WX+XY = m+m+m = 3m

and

WZ = WX+XY+YZ = m+m+m = 3m

Both VY and WZ are exactly 3m units long, therefore, VY = WZ

7 0
3 years ago
SOMEONE PLEASE PLEASE HELP
Paha777 [63]

Answer:

a. √9

Step-by-step explanation:

a. √9   = 3

b.√15  = sqrt(5*3)  cannot be simplified

c. √18  = sqrt(9) sqrt(2) = 3 sqrt(2)  cannot be simplified  farther

d. √20= sqrt(4) sqrt(5) = 2 sqrt(5)  cannot be simplified farther

a is the only answer that is a rational number

6 0
3 years ago
Cuánto es 29 + 2?<br> Cuánto es 5 x 5?<br> Cuánto es 600 - 10?
Mars2501 [29]

Answer: 29+2= 31

5x5=25

600-10=590

Step-by-step explanation: Math

8 0
3 years ago
Read 2 more answers
Find the area of the figure <br> area: units2
Andru [333]

Answer:

24 units²

Step-by-step explanation:

Top triangle: 1/2x2x4=4

Main rectangle: 2x4=8

Bottom trapezoid: 4+8=12. 12÷2=6. 6x2=12

4+8+12=24

6 0
4 years ago
Mrs. Kozlova has a wonderful flower garden. She made sure that for every 18 mums she plants 12 tulips and for every 9 tulips the
Ivanshal [37]

Answer: The maximum numbers of rose bushes in garden is 16.

Explanation:

It is given that for every 18 mums she plants 12 tulips and for every 9 tulips there are 2 rose bushes.

Let the mums, tulips and roses are defined by M, T and R respectively.

From the given information,

9T=2R

1T=\frac{2}{9}R

12T=\frac{2}{9}(12)R

12T=\frac{8}{3}R

Since it is given that 18M=12T, we get,

18M=\frac{8}{3}R

1M=\frac{8}{3(18)}R

1M=\frac{4}{27}R

110M=\frac{4}{27}(110)R

110M=16.296R

From the above equation 110 mums we need 16.3 roses. So, the number mums exceeds 110 if the roses are 17.

Therefore, the maximum numbers of rose bushes in garden is 16 for which the number of mums cannot exceed 110.

3 0
4 years ago
Read 2 more answers
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