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Soloha48 [4]
3 years ago
8

Plz help me with the answer

Mathematics
1 answer:
UkoKoshka [18]3 years ago
5 0

Answer:

<h2>y = 4</h2>

Step-by-step explanation:

Put x = 9 to the equation 3x + 4y = 43

(3)(9) + 4y = 43

27 + 4y = 43            <em>subtract 27 from both sides</em>

4y = 16            <em>divide both sides by 4</em>

y = 4

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nalin [4]

Answer:

No similarity and no scale factor (I could be wrong)

Step-by-step explanation:

Don't worry, no links :)

You would see if they are similar if they have similar sides. so if there is an equal ratio, to both, they are similar. Sometimes they may not look similar until you rotate them. So for the following, you can see that if E were on the bottom, it would look like the triangle with N and M on the bottom you can ensure this to look at the ratios of each side. To find the scale factor, it depends on which way you are going. are you going from GEF to MNL or MNL to GEF? To me, it doesn't look like there is a scale factor, but I could be wrong.

8 0
3 years ago
Find the real solutions of the following equation.<br> If K= x + 1/x-1 <br> and k^2- k=20, find x.
ser-zykov [4K]
X
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4 0
3 years ago
Pls help ASAP need help pls
AlexFokin [52]

Answer:

1.625

Step-by-step explanation:

First we need to find the mean of this data set

29+32+33+28+30+30+29+33=244

Then we divide 244 by the amount of numbers in the set

244/8=30.5

Then we need to find the deviation of each number

29 | 32 | 33 | 28 | 30 | 30 | 29 | 33

1.5 | 1.5 | 2.5 | 2.5 | 0.5 | 0.5 | 1.5 | 2.5

Then we take the mean from this set of data

1.5+1.5+2.5+2.5+0.5+0.5+1.5+2.5=13

Then divide

13/8=1.625

I hope this helps :)

4 0
3 years ago
Read 2 more answers
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Bess [88]

Answer:

One statement that is true is that it equals 50

4 0
2 years ago
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Rina8888 [55]

Answer:

3,662

Step-by-step explanation:

It says that x= -10 so you have to multiply 345 by -10 because x is next to the number 345. Then you get the number -3450-212 from there you can see they are both negative so you can add them together and take out the negative symbol at the end. Hope that helped!

7 0
3 years ago
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