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Reptile [31]
3 years ago
8

Simplify and Show all of your work please!

Mathematics
1 answer:
Fudgin [204]3 years ago
7 0

Answer:

\Huge \boxed{\mathrm{9}}

Step-by-step explanation:

\Rightarrow \displaystyle \frac{18 \div 2 *  3}{5-2}

Dividing first.

\Rightarrow \displaystyle \frac{9 *  3}{5-2}

Multiplying and subtracting.

\Rightarrow \displaystyle \frac{27}{3}

Division.

\Rightarrow 9

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A cylindrical container with a radius of 5 cm and a height of 14 cm is completely filled with liquid. Some of the liquid from th
Flura [38]

Answer:

The remaining liquid has a volume of 345.4 cm³.

Step-by-step explanation:

To solve this question we first need to calculate the volume of each container.

Cylindrical:

Volume = h*pi*r² = 14*3.14*(5)² = 1099 cm³

Cone:

Volume = (1/3)*h*pi*r² = (1/3)*20*3.14*(6)² = 753.6 cm³

Since the liquid from the cylinder was transfered to the cone until the latter was full, then what remains in the cylinder is it's original volume minus the cone volume. So we have:

remaining liquid = 1099 - 753.6 = 345.4 cm³

4 0
3 years ago
Can someone answer this question please?
Keith_Richards [23]

Part (a)

<h3>Answer:  0.2</h3>

----------------------------------

Work Shown

It costs $15 to rent a bike for 3 hours. We can write the following ratio below

15 dollars : 3 hours

To represent the connection of the two concepts (dollars connecting with hours)

We want the "15 dollars" to turn into "1 dollar". This is because the phrasing "per dollar" really means "per 1 dollar".

Divide both sides of the ratio by 15 to achieve this goal.

15 dollars : 3 hours

15/15 dollars : 3/15 hours

1 dollar : 1/5 hours

1 dollar : 0.2 hours

0.2 hours : 1 dollar

So we get 0.2 hours per dollar.

As a side note, 0.2 hours = 0.2*60 = 12 minutes.

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

Part (b)

<h3>Answer:  3.38</h3>

----------------------------------

Work Shown

27 pages : 8 minutes

27/8 pages : 8/8 minutes

3.375 pages : 1 minute

3.38 pages : 1 minute

I'm dividing both parts of the original ratio by 8 to turn "8 minutes" into "1 minute" (due to the phrasing "per minute"). Don't forget to round to 2 decimal places.

3 0
4 years ago
liza is running at the beach, if she runs 13.25 miles each day, how many miles will she run in seven days?
Ad libitum [116K]

Answer:

92.75 miles per 7 days

Step-by-step explanation:

13.25 mi/day times 7 days works out to 92.75 miles per 7 days.

4 0
3 years ago
Read 2 more answers
I don't know this please help
garri49 [273]

Answer:

8q

Step-by-step explanation:

just trust me on this

5 0
3 years ago
Read 2 more answers
You start at (-4, -5). You move left 1 unit and right 6 units. Where do you end?
STALIN [3.7K]

Answer:

(1,-5)

Step-by-step explanation:

If you were to look on a graph and were to start at (-4,-5)

Then moved one unit to the left would be at the point (-5,-5)

Then after you'd move 6 units to the right and be left at point (1,-5)

As you can see the Y coordinate stayed constant because we only moved across the X axis.

3 0
3 years ago
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