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Hitman42 [59]
3 years ago
6

PLEASE HELP QUESTION 31

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0

Answer:

D. LN = KM is not correct

Step-by-step explanation:

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Help I will be marking brainliest!!!
expeople1 [14]

Answer:

A. 51°

Step-by-step explanation:

By the theorem of intersecting secants.

m\angle B=\frac{1}{2} (m\widehat{LW} - m\widehat{MU})

44.5\degree =\frac{1}{2} (140\degree - m\widehat{MU})

2\times 44.5\degree = 140\degree - m\widehat{MU}

89\degree = 140\degree - m\widehat{MU}

m\widehat{MU} = 140\degree -89\degree

m\widehat{MU} = 51\degree

8 0
3 years ago
three numbers are in an arithmetic progression. Their sum is 3 and the sum of their squares is 11. what are the three numbers
Vlad [161]

The three numbers are 12, 18 and 24

Arithmetic progression

Let the 3 number in arithmetic progression be:

a-d, d, a+d ...

If their sum is 3, then;

a-d+d+a+d = 3

2a + d = 3 ........... 1

If the sum of their squares is 11, then;

(a-d)² + d² + (a+d)² = 11

a²-2ad+d²+d²+a²+2ad+d²  11

2a²+3d² = 11 ....... 2

Solving the equations simultaneously, d = 6 and a = 12

First-term = 12

second term = 18

Thirs term = 24

Hence the three numbers are 12, 18 and 24

Hope this helps you!!!!!! :D

5 0
2 years ago
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Two different crews earn different amounts for different hours they work.
Liula [17]

Answer:

I need to see the graph in order to answer the question

Step-by-step explanation:

6 0
3 years ago
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[8] meaning. <br><br>what's the [ ] mean
kotykmax [81]
It changes it into negative 
6 0
3 years ago
PLEASE HELP ASAP!!!!
mezya [45]
64, because its square root is 8.
49, because its square root is 7.
144, because its square root is 12.
4, because its square root is 2.
3 0
3 years ago
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