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3 years ago

Which phrase provides the best definition of sedimentary rocks?

Mathematics

2 answers:

Alexxandr [17]3 years ago

5 0

Option 3 is the best choice

Lady_Fox [76]3 years ago

4 0

Answer:

rocks that form from materials that existed in older rocks

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3 years ago

I NEED HELP ASAP!<br> What is the scale factor?

Mama L [17]

Answer:

x=10 and scale factor is 15/9 or 1 2/3

Step-by-step explanation:

FIrst, find scale factor. 9 to 15. Times by 15/9 or 1 2/3.

Find x. 6*1 2/3 = 10

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2 years ago

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The Student Council at Woodlands Middle School is planning a field

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50% of teachers prefer to go to the aquarium.

Step-by-step explanation:

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2 years ago

-9 is less than or equal to x and 7 is greater than or equal to x

const2013 [10]

Plot a point at "-9" and the other at "7". Both dots will be shaded in.

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3 years ago

Find the angle of elevation of the sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14

Hitman42 [59]

Answer:

The angle of elevation of the sun from the ground to the top of a tree is $36^{\circ}$ .

Step-by-step explanation:

As given

The sun from the ground to the top of a tree when a tree that is 10 yards tall casts a shadow 14 yards long.

Now by using the trignometric identity .

$tan\theta =\frac{Perpendicular}{Base}$

As figure is given below .

AB = Perpendicular = 10 yards

BC = Base = 14 yards

Putting all the values in the trignometric identity .

$tan\theta =\frac{AB}{BC}$

$tan\theta =\frac{10}{14}$

$\theta =tan^{-1}(\frac{10}{14})$

$\theta =36^{\circ}$

Therefore the angle of elevation of the sun from the ground to the top of a tree is $36^{\circ}$ .

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3 years ago

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