3 years ago

Which of these numbers is a common factor of 18 and 42

Mathematics

2 answers:

jek_recluse [69]3 years ago

6 0

Please give more details on the choices. I will be glad to answer your question.

Gekata [30.6K]3 years ago

3 0

The common factor of 18 and 42 is six

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Heather made a total of $451.78 last month at her part-time job. If she worked 14 hours, how much did she make per hour?

Step2247 [10]

The amount of money divided by the amount of hours will give you how much money she makes per hour.

451.78/14=32.27.

She earned $32.27 per hour.

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3 years ago

An obtuse triangle has two angles 45 n 18 ,and a third unknown angle theta what's the value of the unknown angle

zlopas [31]

Answer:

An obtuse triangle has two angles 45 and 18. The value of the unknown angle is $117^{\circ}$

Solution:

Given that two angles of an obtuse triangle is 45 and 18.

Third angle is θ

We are asked to find the value of third unknown angle theta

According to angle sum property of triangle, sum of three angles of triangle is $180^{\circ}$

This means in our case sum of 45, 18 and θ should be $180^{\circ}$

$\begin{array}{l}{=>45+18+\theta=180} \\ {=>\theta=180-63=117^{\circ}}\end{array}$

Hence value of unknown third angle of an obtuse triangle is $117^{\circ}$

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3 years ago

Don't understand this at all, please help!

stiks02 [169]

For number 4, the midpoint is M, so the lengths of the 2 segments are half of the whole. PM and MQ are 11.

For number 5, TM and MS are 7.5.

Have an amazing day :)

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3 years ago

12. Tamera wants to try out for volleyball, the coaches told her she must raise her grades to

Darina [25.2K]

Answer: x = 83 (x representing the next homework assignment)

Step-by-step explanation:

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3 years ago

An electrician needs to run a cable from the top of a 40-foot tower to a transmitter box located 30 feet away from the base of

grin007 [14]

The cable should be 50 feet.

If you draw the picture, you will see that you have a right triangle.

Let's just use the Pythagorean Theorem to find the hypotenuse (or cable).

30^2 + 40^2 = c^2
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3 years ago