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alisha [4.7K]
3 years ago
10

Please please please help me with this answer and how you got it

Mathematics
1 answer:
klemol [59]3 years ago
3 0

Answer:

∠ x = 41°, ∠ y = 139°

Step-by-step explanation:

x and y are adjacent angles and are supplementary , thus

x + y = 180

y = 3x + 16 ( 16 more than 3 times x ) , so

x + 3x + 16 = 180

4x + 16 = 180 ( subtract 16 from both sides )

4x = 164 ( divide both sides by 4 )

x = 41

and y = 180 - 41 = 139

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Spiro travels 140km per week travelling to and from work. If Spiro works 5 days per week. What distance is his work from home?
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Answer:

14 km

Step-by-step explanation:

<u>1) look at the information you are given:</u>

140 km total (<em>to and from work</em>)

Note that this number includes both the distance to work and the distance from work.

He works 5 days a week.

<u>2)Figure out the distance he travels within one day</u>

This means that you should take the 140 km and divide it by 5 in order to find out the amount of km he travels each day.

<h2>140 km / 5 days = 28 km</h2>

28 km is the amount of KM he travels each DAY.

<u>3) Figure out the distance from work to home </u>

From this point, it is important to note the question is asking for <u>the distance his work is from home.</u>

Each day, he must travel 2 times: he must go to work and go from work to home, which are both the same distance.

This means that in order to get only the distance from work to home, you must divide by 2.

<h2>28 km / 2 = 14 km</h2>

4 0
3 years ago
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Marvin spent 2.8 hours which is 35% of his time at the recreational center playing ping pong. How long was Marvin at the recreat
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Answer:

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100

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3 years ago
I need help with this​
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Answer:

A

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ABC triangle is 1/2 the size of DEF triangle. In order to transform ABC to DEF, the scale has to be doubled and the point on the y-axis has to move down to 10

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A toy store sells assorted bags of marbles sold in small or large bags the table show the number of each color of marble in the
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Step-by-step explanation:

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A regular heptagon has a radius of approximately 27.87 cm and the length of each side is 24.18 cm. what is the approximate area
aniked [119]

The area of the regular heptagon which has a radius of approximately 27.87 cm and the length of each side is 24.18 cm is 2125 cm².

<h3>What is the area of a heptagon?</h3>

Heptagon is the closed shape polygon which has 7 sides and 7 interior angles.

The area of the regular heptagon is found out using the following formula.

A=\dfrac{7a}{4}\cot \left(\dfrac{180}{7}\right)

Here, (<em>a</em>) is the length of the heptagon.

A regular heptagon has a radius of approximately 27.87 cm and the length of each side is 24.18 cm. Put the value of side in the above formula,

A=\dfrac{7\times24.18}{4}\cot \left(\dfrac{180}{7}\right)\\A\approx 2125\rm\; cm^2

Hence, the area of the regular heptagon which has a radius of approximately 27.87 cm and the length of each side is 24.18 cm is 2125 cm².

Learn more about the area of a heptagon here;

brainly.com/question/26271153

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