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3 years ago

Nine twelves minus one fourth

Mathematics

2 answers:

Strike441 [17]3 years ago

8 0

(9 × 4) - (1 × 12)

12 × 4

24 ÷ 24

48 ÷ 24

enot [183]3 years ago

3 0

Answer:

9/12 - 1/4 = 6/12 OR 1/2

Step-by-step explanation:

First you would multiply 1/4 by 3 to get it to 3/12 then subtract it from 9/12 to get 6/12. Simplify it to become 1/2 because 6/12 is the same a 1/2. :)

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If you wanted a 40 foot tree in your yard, how much faster would a poplar, which grows 8 feet per year, reach that goal than a r

Verizon [17]

Answer:

Not totally sure if i'm reading the question right buuuut;

the answer is (I think) a poplar would reach 40 feet high in 5 years, while the red maple would reach the goal in 8.

Step-by-step explanation:

using division, 40/8 = 5 years

40/ 5 = 8 years.

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4 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

A right triangle's height is 3 times the length of its base. if the area of the triangle is 486, what is the height?

Irina-Kira [14]

The formula of the area of a triangle:
$A_\Delta=\dfrac{bh}{2}$
b - the bash - the height
We have:
b - the base3b - the height486 - the area

Substitute:
$\dfrac{3b\cdot b}{2}=486\ \ \ |\cdot2\\\\3b^2=972\ \ \ |:3\\\\b^2=324\to b=\sqrt{324}\\\\b=16\to h=3b=3\cdot18=54$
Answer: The length of the height is equal 54 units.

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3 years ago

The function f(3) = 50.000(0.975)", where x represents the underwater

valentina_108 [34]

9514 1404 393

Answer:

316 lumens/m²

Step-by-step explanation:

We assume your intensity function is ...

f(x) = 50,000(0.975^x) . . . . x meters below the surface

Use 200 for x and do the arithmetic.

f(200) = 50,000(0.975^200) ≈ 316 . . . . lumens/m²

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago