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Zina [86]
3 years ago
14

In the picture below, what is the angle relationship of <5 and <3 ?

Mathematics
1 answer:
lidiya [134]3 years ago
8 0

Answer:

4 and 3

Step-by-step explanation:

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A university council wants to determine the need for a new staff room. The council conducted a survey of the staff by randomly s
iogann1982 [59]

Answer:

As the sample size is appropriately large, the margin of error is 0.026

Step-by-step explanation:

7 0
3 years ago
Given: D is the midpoint of AB; E is the midpoint of AC.
Thepotemich [5.8K]

Answer:

The lines DE and BC have the same slope, therefore the two lines, DE and BC, are parallel

Step-by-step explanation:

To prove that DE is parallel to BC, we have;

The slope, m of the lines DE and BC are found from the following equation;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

Where;

(x₁, y₁) and (x₂, y₂) = (b, c) and (a + b + c) for DE, we have;

Slope, \, m =\dfrac{c - c}{a + b-b} = 0

Where we have (x₁, y₁) and (x₂, y₂) = (0, 0) and (2a, 0) for BC, we have;

Slope, \, m =\dfrac{0 - 0}{2a-0} = 0

Therefore, because the lines DE and BC have the same slope, the two lines DE and BC are parallel.

5 0
3 years ago
Read 2 more answers
Simplify the following.<br> - (3z)2
Sedaia [141]

Answer:

-6z

Step-by-step explanation:

(3z)2=6z

Add the negative

-6z

4 0
3 years ago
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Please help me with this math question ​
Leona [35]

Answer:

X + Y - W - Z = 180

Step-by-step explanation:

In parallel lines If you use the rules of:

* Alternate angles are equal

* Linear Pair Angles supplement to 180

And use the picture below for calculating the result: finally we get

Z = Y - (180 - (X - W)) which becomes the answer above if you simplify the parentheses.

5 0
3 years ago
Inventor A had 630 inventions, 600% more than the number of inventions inventor B had. How many inventions did B have?
skelet666 [1.2K]

Answer:

105 inventions

Step-by-step explanation:

Find how many inventions Inventor B had by dividing 630 by 6:

630/6

= 105

So, Inventor B had 105 inventions

6 0
3 years ago
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