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DedPeter [7]
3 years ago
15

1. two lines meet at a point. set up and solve an equation to find the value of x

Mathematics
1 answer:
Nikolay [14]3 years ago
4 0

Answer: 1) 57 degrees

2) 50 degrees

3) a- 58 degrees, b- 32 degrees

Step-by-step explanation:

78, 52, and the number inbetween = 180

if u find the inbetween number it will be vertically opposite to a

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The word product mean Multiplication
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Answer:product means the answer to a multiplication problem

Step-by-step explanation: you are welcome

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3 years ago
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If line 1 has a slope of -4 and line 2 has a slope of 1/4, they are parallel<br> True<br> O False
Papessa [141]
Parallel lines need to have same slope
The lines have different slopes

It is false.
6 0
3 years ago
If x varies as y and if x=20 when y=9 , find x when y=18​
andrezito [222]

Answer:1/2 y

Step-by-step explanation:

We can solve this using ration reasoning:  

x

2

x

1

=

y

2

y

1

Explanation:

If  

x

varies directly with  

y

(written  

x

∝

y

), then doubling  

y

means doubling  

x

, so the rations of final values and initial values will be the same:

x

2

x

1

=

y

2

y

1

In this case,

x

2

9

=

24

18

x

2

=

9

⋅

24

18

=

12

Or, intuitively, if  

x

∝

y

and  

x

=

9

when  

y

=

18

, we can conclude that

x

=

1

2

y

and  

1

2

of 24 is 12.

3 0
3 years ago
The amount of money invested in a retirement fund is an example of which of the following?
Lady bird [3.3K]

Answer:

Step-by-step explanation:

Example of banking

4 0
3 years ago
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Which formula is used to calculate the standard deviation of sample data?<br>​
Reptile [31]

Answer:

Standard deviation (S) = square root of the variance

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Step-by-step explanation:

8 0
3 years ago
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