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3 years ago

Is it true that if two angles with measures that sum to 180 that they are linear pairs?

Mathematics

2 answers:

ddd [48]3 years ago

7 0

Yes, it is true that if 2 angles with measures that sum to 180 they are linear

inna [77]3 years ago

4 0

If it is perfectly clear which angle is being named, an angle may be referred to by its ... Supplementary Angles are 2 angles the sum of whose measures is 180°. ... THEOREM: If two congruent angles form a linear pair, they are right angles.

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Harlamova29_29 [7]

Answer:

A. 4 units

Step-by-step explanation:

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2 years ago

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How many 1/2 are there in 7 1/2 ?

My name is Ann [436]

Answer:

There are 15 halves in 7 1/2.

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2 years ago

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The lines below are perpendicular if the slope of the solid line is 4 what is the slope of the dashed line

const2013 [10]

Answer:

The slope of the dashed line is $-\frac{1}{4}$

Step-by-step explanation:

Perpendicular lines and slopes:

If two lines are perpendicular, the multiplication of their slopes is -1.

What is the slope of the dashed line

Perpendicular to a line with slope 4, so:

$4m = -1$

$m = -\frac{1}{4}$

The slope of the dashed line is $-\frac{1}{4}$

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2 years ago

In a class of 50 students, everyone has either a pierced nose or a pierced ear. The professor asks everyone with a pierced nose

Tems11 [23]

Answer: 3

Step-by-step explanation:

Let E be the event of that student pierces ear and N be the event of that student pierces nose.

Given: $n(E\cup N=50)$

$n(E)=46\\\\n(N)=7$

For any two event A and B, we have

$n(A\cup B)=n(A)+n(B)-n(A\cap B)$

Similarly , $n(E\cup N)=n(E)+n(N)-n(E\cap N)$

$50=46+7-n(E\cap N)\\\\\Rightarrow\ n(E\cap N)=53-50=3$

Hence, 3 students have piercings both on their ears and their noses.

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3 years ago

Need help with this logic puzzle

Mars2501 [29]

Your just finding out the graph for each graph and number, just look at what they give you in sections, and not all together:) I hoped this helped!

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2 years ago