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3 years ago

on a scale drawing, a tree is 6 3/4 inches tall. the scale factor is 1/20. find the height of the actual tree.

Mathematics

2 answers:

Hoochie [10]3 years ago

8 0

I think the answer is 15

Verdich [7]3 years ago

4 0

To solve this problem you could set up a proportion 1/20=6.75/x. Next you would use property of cross products to get 20*6.75=x. Just mulitply to solve you should get 135 inches. To find the answer in ft just divide by 12

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Simplify (-2x^4y^-3)^4

elixir [45]

Answer:

$( - 2 {x}^{4} {y}^{ - 3} )^{4} = \frac{16 {x}^{16}}{ {y}^{12} }$

Step-by-step explanation:

We want to simplify:

$( - 2 {x}^{4} {y}^{ - 3} )^{4}$

We need to apply the exponential property for products of powers.

Recall that:

$( {a}^{m} \times {a}^{n} )^{p} = {a}^{mp} \times {a}^{np}$

We apply this rule to get:

$( - 2 {x}^{4} {y}^{ - 3} )^{4} = ( { - 2)}^{4} x \times {x}^{16} \times {y}^{ - 12}$

This simplifies to:

$( - 2 {x}^{4} {y}^{ - 3} )^{4} = 16 {x}^{16} \times {y}^{ - 12}$

We rewrite as positive index to get:

$( - 2 {x}^{4} {y}^{ - 3} )^{4} = \frac{16 {x}^{16}}{ {y}^{12} }$

7 0

3 years ago

Is this correct? pls be sure of yourself. if you arent, pls check

Elza [17]

Answer:

Yes It Is.

Step-by-step explanation:

8 0

2 years ago

Look at bth plz help tysm

tangare [24]

Answer:

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Make r the subject of t = 6r^2 + 6

SpyIntel [72]

First step, divide 6 from both sides.

t/6=r^2+1

second step, subtract 1 from both sides

t/6 -1=r^2

Now take the square root of each side.

$\sqrt{\frac{t}{6}-1}=r$

Done!

3 0

3 years ago

Write 9,167.364 in expanded form

beks73 [17]

Answer:

4 + 60 + 300 + NaN + 70000 + 600000 + 1000000 + NaN + 900000000

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