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3 years ago

Avery ran 1/2 of a mile and walked 3/10 of a mile. How much father did Avery run than walk?

Mathematics

1 answer:

Nostrana [21]3 years ago

5 0

Answer:

1/5

Step-by-step explanation:

1/2 is 5/10 so 5/10 minus 3/10 is 2/10 simplified to 1/5th

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12/1,000 into decimal

andriy [413]

0.012 is the answer!

I hope this helps you out! :D

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3 years ago

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Which expression could you write to show how to multiply 9 x 856 using place value and expanded form

Luden [163]

(9X800) + (9X50) + (9X6)

7 0

3 years ago

PLSSS HELP IM DESPERATE!!

Lapatulllka [165]

Answer:

graph c

Step-by-step explanation:

Given

| - 2x | = 4

The absolute value function always gives a positive result, however, the expression inside can be positive or negative , that is

- 2x = 4 or - (- 2x) = 4

Solving both

- 2x = 4 ( divide both sides by - 2 )

x = - 2

- (- 2x) = 4

2x = 4 ( divide both sides by 2 )

x = 2

The third graph indicates x = - 2 and x = 2 on the number line

8 0

3 years ago

A piece of work can be completed by 45 men in 90 days if only 30 men are available, how many days will it take to complete the s

andrew-mc [135]

Answer:

135 days

Step-by-step explanation:

Often, we measure work in man·days. This piece of work requires ...

(45 man)·(90 days) = 4050 man·days

When there are only 30 men, the number of days required can be found by dividing this work by the number of men:

4050 man·days/(30 man) = 135 days

_____

Another approach is to realize the time is inversely proportional to the number of men. If the number of men is 30/45 = 2/3 the original, then the time will be 3/2 the original, or ...

(3/2)·90 days = 135 days.

7 0

3 years ago

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PLEASE HELP WILL GIVE BRAINLIEST!!!!

IrinaVladis [17]

Answer:

<em>The height of the tree is 19.81 m</em>

Step-by-step explanation:

<u>Trigonometric Ratios </u>

The ratios between the sides of a right triangle are called trigonometric ratios.

If any of the acute angles is chosen as a reference, it has an adjacent side and an opposite side. The trigonometric ratios are defined upon those sides and the hypotenuse.

The image shows a right triangle with a tree and the ground forming a right angle and an elevation angle of 33°.

This angle of 33° has a side of 30.5 m as its adjacent leg and the height of the tree X as the opposite side.

The trigonometric ratio that relates both legs is the tangent:

$\displaystyle \tan 33^\circ=\frac{X}{30.5}$

Solving for X

$X=30.5\cdot \tan 33^\circ$

Using a calculator:

X = 19.81 m

The height of the tree is 19.81 m

7 0

3 years ago