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nekit [7.7K]
2 years ago
15

Consider the procedure used below to solve the given equation.

Mathematics
1 answer:
slavikrds [6]2 years ago
5 0

Answer is D you can plug it in to check it as well


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What is the answer to the question?​
Anuta_ua [19.1K]

Answer:

Given : PQ = RQ

to find : angle B

  • PQ = RQ
  • Angle B = angle QRP ( angle opposite to equal side are equal). ...(1)
  • angle QRP + 140° = 180° ( linear pair)
  • angle QRP = 180° - 140°
  • angle QRP = 40°
  • from equation (1)
  • Angle B = angle QRP = 40°

4 0
2 years ago
Read 2 more answers
Find all the real zeros of <br><br> f(x)=3x^3-9x^2+3x-9 <br><br><br> Can someone help me please
vaieri [72.5K]

Answer:

x=0,3

Step-by-step explanation:

start by dividing every term by 3

x^3-3x^2+x-3

group into 2 terms

(x^3-3x^2)+(x-3)

simplify as much as you can

x^2(x-3)+(x-3)

combine terms

(x^2)(x-3)

x=3, 0

4 0
3 years ago
I need help bc I don’t have a calculator
kari74 [83]

Answer:

B is correct

Step-by-step explanation:

I think you don't need a calculator here. :) Try to figure out next time!

7 0
3 years ago
I need help on how to simplify this problem.
guajiro [1.7K]
Simplify the radical by breaking the radicand up into a product of known factors
Exact Form:
2√10 + 5

Decimal Form:
11.32455532 . . .

Answer: 2√10 + 5

Hope this helps! :)
~Zain
6 0
2 years ago
3x + ky = 8
djyliett [7]

Answer:

a) 3x + ky = 8

ky = 8 - 3x

x – 2ky = 5

x - 2(8 - 3x) = 5

x - 16 + 6x = 5

7x = 21

x = 3 (shown)

b) x-2ky = 5

sub x = 3, y = 1/2

3-2k(1/2) = 5

-2k = 2

k = -1

3 0
2 years ago
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