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topjm [15]
2 years ago
12

45% of 81.2 is a number between.....

Mathematics
1 answer:
Misha Larkins [42]2 years ago
3 0
36.54
45% of 81.2 is 36.54.
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How much would you need to deposit in an account now in order to have $6000 in the account in 5 years
777dan777 [17]

Answer:

5 years=$10

Step-by-step explanation:

count by 5's

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3 years ago
A 20 ft. ladder is used against a 15 ft. wall. What is the measure of the angle made by the ladder and the ground (nearest whole
Brrunno [24]

Step-by-step explanation:

Given that,

The length of a ladder, H = 20 feet

The height of the wall, h = 15 ft

We know that,

\sin\theta=\dfrac{h}{H}

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So,

\sin\theta=\dfrac{15}{20}\\\\\theta=\sin^{-1}(\dfrac{15}{20})\\\\\theta=48.59^{\circ}

Now using Pythagoras theoerm,

b=\sqrt{H^2-h^2}\\\\b=\sqrt{20^2-15^2}\\\\b=13.2\ ft

Hence, the angle made by the ladder and the ground is 48.59° and the ladder is 13.2 feet from the wall on the ground.

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3 years ago
Solve y <br> y=8x-x^2 <br> y=2x <br> STEP BY STEP SOLUTION PLEASE HELP
Rudik [331]

Answer:

y=12

Step-by-step explanation:

y=2x ,so 2x=8x-x^2

x^2=8x-2x

x^2=6x

x^2/x=6x/x

x=6

y=2x ,2(6)

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Write an expression of: divide B by 6, then subtract 3 from the result do not simplify any part of the expression
IrinaVladis [17]

Answer:(4-6)-h

Step-by-step explanation:

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3 years ago
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zlopas [31]

Answer:

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2/3=9/x

2x=9*3

2x=27

x=27÷2

x=13.5

4 0
3 years ago
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