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2 years ago

What number has 3 ones, 8 tens, and 5 hundreds?

Mathematics

1 answer:

PtichkaEL [24]2 years ago

4 0

Answer:

C: 583

Step-by-step explanation:

5(100)+8(10)+3(1)

500+80+3= 583

Hope this helps! :)

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A cylindrical water towers has a diameter of 15 meters and a height of 5 meters. About how many gallons of water can the gallon

Artemon [7]

Answer:

233445.54 gallons

Step-by-step explanation:

Given data

Diameter= 15m

Radius= 7.5m

Height= 5m

Let us first find the volume

the volume of a cylinder is given as

V= πr^2h

substitute

V= 3.142*7.5^2*5

V= 3.142*56.25*5

V=883.6875 m^3

Hence the volume in gallons is

233445.54 gallons (from conversion tables)

7 0

2 years ago

Any two conditions of an object to float on liquid

bixtya [17]

Answer:

it needs to be less dense than water and weight needs to be equal to buoyant force.

8 0

3 years ago

If cos x = sin(20+x) degrees and 0 degrees < x < 90 degrees, the value of x is

Natalka [10]

Answer:

Step-by-step explanation:

Which number is greatest?

2.89 times 10 Superscript negative 8

1.997 times 10 Superscript 2

8.9 times 10 Superscript negative 6

5 times 10 Superscript negative 6

4 0

2 years ago

Help with khan academy problem, law of sines

kykrilka [37]

Answer:

104°

Step-by-step explanation:

$\frac{sin~B}{18} =\frac{sin~29}{9} \\sin~B=\frac{18}{9} \times sin~29\\sin~B=2~sin~29\\B=sin^{-1}(2 ~sin~29)\\=104^\circ$

7 0

2 years ago

Evaluate $\dfrac{2\sqrt{72}}{\sqrt{8}+\sqrt{2}}$.

Pavlova-9 [17]

<h3>Answer: 4</h3>

========================================================

Work Shown:

$\frac{2\sqrt{72}}{\sqrt{8}+\sqrt{2}}\\\\\frac{2\sqrt{36*2}}{\sqrt{4*2}+\sqrt{2}}\\\\\frac{2\sqrt{36}*\sqrt{2}}{\sqrt{4}*\sqrt{2}+\sqrt{2}}\\\\\frac{2*6*\sqrt{2}}{2*\sqrt{2}+\sqrt{2}}\\\\\frac{12\sqrt{2}}{2\sqrt{2}+\sqrt{2}}\\\\\frac{12\sqrt{2}}{3\sqrt{2}}\\\\\frac{12}{3}\\\\4$

Note in step 2, I factored each number in the square root to pull out the largest perfect square factor. From there, I used the rule that $\sqrt{A*B} = \sqrt{A}*\sqrt{B}$ to break up the roots.

8 0

1 year ago