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ipn [44]
3 years ago
13

HELP If m∠ABC = 72°, what is m∠DAB?

Mathematics
2 answers:
larisa [96]3 years ago
8 0

Answer: m∠DAB=72

Step-by-step explanation:

Since we have given that

∠ABC = 72°

Since the lines AD and BC are parallel to each other,

As we know that when the two parallel lines cut by a transversal then the corresponding angles will  be formed.

And the corresponding angles will be equal.

So, m∠ABC =m∠DAB=72°

Hence, m∠DAB=72°


olchik [2.2K]3 years ago
5 0
Since you know that interior angles of one transversal add up to 180, we can subtract 72 from 180 to solve for angle DAB. 180-72=108. Our answer is angle DAB=108°
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What are irrational numbers?<br> Are they related to Rational numbers?
emmainna [20.7K]
An irrational number is a number that cannot be expressed in a fraction form while a rational number can.

an example of an irrational numbers are repeating numbers such as 0.77777... and examples of rational numbers are decimals such as 0.20, whole numbers such as 5, and fractions like 2/3

hope this helps a bit.
4 0
3 years ago
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Susan is trying to decide between two jobs. One job pays $12 per hour for the first 36 hours and $15 per hour for any additional
nasty-shy [4]

Answer:

For the first question (For which job will she earn more if she works 40 hours a week), the answer is the second job.

For the second question (How much more per year will this be if she works 50 weeks per year), the answer is 25$ extra a year.

First i multiplied $12 times 36.

$12 x 36 = $432

Then i multiplied $15 times 4.

$15 x 4 = $60

Now add those together

$432 + $60 = $492

That's how much she would make in a week for the first job, if she worked 40 hours a week.

For the second job, i did the exact same process.

$11.50 x 35 = $402.5

$18 x 5 = $90

$402.5 + $90 = $492.5

She would get 50 more cents a week, if she worked 40 hours a week.

For the second question, i multiplied the first job total by 50, since she is working 50 weeks a year.

$492 x 50 = $24,600

Thats her total of a year, for the first job.

Do this with the second job.

$492.5 x 50 = $24,625

As you can see, she would get $25 more in the second job, than the first job.

I hope this helped!

7 0
3 years ago
Solve 3x - 1 = 10<br><br> A.3<br> B.11/3<br> C.3/11
zaharov [31]

Answer:

B

Step-by-step explanation:

trust me bro

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if the second angle is 20% more than the first angle and the third angle is 20% less than the first angle in a triangle, then fi
Mumz [18]

Answer:

Step-by-step explanation:

If the second angle's measure is based on the first angle's measure, and the third angle's measure is also based on the first angle's measure, then the first angle is the main angle. We will call that x.

1st angle: x

2nd angle: x + 20%

3rd angle: x - 20%

By the Triangle Angle-Sum Theorem, all those angles will add up to 180, so:

x + (x + 20%) + (x - 20%) = 180 and

3x = 180 so

x = 60. That means that

2nd angle: 60 + (.2*60) which is

60 + 12 = 72 and

3rd angle: 60 - (.2*60) which is

60 - 12 = 48. Let's check those angles. If

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60 + 72 + 48 does in fact equal 180, so you're done!

3 0
4 years ago
Need a little help help here..
Blizzard [7]
Wat do u need I can help u with anything u need
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