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kondor19780726 [428]
3 years ago
7

What is the solution for x in the equation 9-10x=2+1-8

Mathematics
2 answers:
Elena-2011 [213]3 years ago
6 0

Answer:

x=7/5

Step-by-step explanation:

First you need to get X by itself. You simplify the right side, getting -5, and then subtract 9 from both sides, getting -10x on one side and -14 on the other. Divide both sides by -1, getting 10x=14, divide both sides by 10 which leaves x=14/10. This can be simplified to be 7/5

Vladimir79 [104]3 years ago
6 0
Answer:x=7/5
work/proof:

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AABC has vertices at A(12, 8), B(4,8), and C(4, 14).
borishaifa [10]

Answer:

<u>Triangle ABC and triangle MNO</u> are congruent. A <u>Rotation</u> is a single rigid transformation that maps the two congruent triangles.

Step-by-step explanation:

ΔABC has vertices at A(12, 8), B(4,8), and C(4, 14).

  • length of AB = √[(12-4)² + (8-8)²] = 8
  • length of AC = √[(12-4)² + (8-14)²] = 10
  • length of CB = √[(4-4)² + (8-14)²] = 6

ΔMNO has vertices at M(4, 16), N(4,8), and O(-2,8).

  • length of MN = √[(4-4)² + (16-8)²] = 8
  • length of MO = √[(4+2)² + (16-8)²] = 10
  • length of NO = √[(4+2)² + (8-8)²] = 6

Therefore:

  • AB ≅ MN
  • AC ≅ MO
  • CB ≅ NO

and ΔABC ≅ ΔMNO by SSS postulate.

In the picture attached, both triangles are shown. It can be seen that counterclockwise rotation of ΔABC around vertex B would map ΔABC into the ΔMNO.

3 0
4 years ago
PLZ HELP ME LLZ I WILL DO ANYTHING
____ [38]

Answer:

X=45

Step-by-step explanation:

45+3x=180

180-45=135

135/3=45

x has to be 45

x=45

4 0
3 years ago
If s and t are integers greater than 1 and each is a factor of the integer n, which of the following must be a factor of n^{st}
andrey2020 [161]

Answer:

E) 1 and 2

Step-by-step explanation:

We are given that there are two integers (s and t) and they are factors of another integer (n). For example if s = 3 and t = 2, we can have n = 6.

Thus:

n^(st) = 6^(2*3) = 6^6 = (2^6)(3^6)

For the first condition: s^t = 3^2 is a factor of (2^6)(3^6)

For the second condition: (st)^2 = (3*2)^2 = 6^2 is a factor of 6^6

For the third condition: s+t = 3+2 = 5 is not a factor of 6^6 or (2^6)(3^6)

Therefore, only 1 and 2 are factors of n^(st)

6 0
3 years ago
Read 2 more answers
If you know the names of the remaining nine students in the spelling​ bee, what is the probability of randomly selecting an orde
rjkz [21]
The probability of getting the correct order in the spelling bee is 1 chance in 362,880.

This is a permutation problem. Our goals is to find the total number of ways that the 9 students can be ordered.

For the first spot there are 9 choices, then 8 choices, then 7 choices....

We need to evaluate:
9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 362,880

Another way to write this is: 9!
8 0
4 years ago
Solve the system of equations by graphing:<br> y= 2x +8<br> -x+y=0
sdas [7]

Answer:

Slope = 4.000/2.000 = 2.000

Slope = 2.000/2.000 = 1.000

Step-by-step explanation:

the first answer is for the first problem and the second answer is for the second problem. Hoped it helped i tried my best.

4 0
3 years ago
Read 2 more answers
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