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3 years ago

9

If a bottle contains 16.9 fluid ounces and a person drank 80% of it how many fluid ounces did that person drink?

2 answers:

arlik [135]3 years ago

4 0

For this problem, we need to find 80 of the total liquid. We can set the equation up like this, "what number = 80% of the total fluid ounces?" Let's fill in what we know and solve for what we don't! Okay, we don't know the "what number" part of the equation, so let's fill that in with the letter x. We can change 80% to 0.8, since that is its decimal form. Okay so far, we have x= 0.8*total fluid ounces. All we have to do now is find the total number of fluid ounces, which we see is 16.9. Alright. Our final equation is x= 0.8 *16.9. now, solve for "x" to find your answer! Just multiply 16.9 by 0.8 to get

Verdich [7]3 years ago

3 0

16.9×0.8= 13.52 fluid ounces

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A 2000 gallon fish aquarium can be filled by water flowing at a constant rate in 10 hours. When a decorativve rock is placed in

Elza [17]

Answer:

The volume of the rock is 13.368 cubic feet.

Step-by-step explanation:

The volume of the rock ( $V_{r}$ ), measured in gallons, is equal to the volume of the fish aquarium without the decorative rock ( $V'$ ) minus the volume of the fish aquarium with the decorative rock ( $V''$ ), both measured in gallons.

Since the water flow is at constant rate, the volume of the rock is expressed by the following equation:

$V_{r} = V' - V''$

$V_{r} = \dot V \cdot (\Delta t_{1}-\Delta t_{2})$ (1)

Where:

$\dot V$ - Flow rate, measured in gallons per hour.

$\Delta t_{1}$ - Filling time of the fish aquarium without the decorative rock, measured in hours.

$\Delta t_{2}$ - Filling time of the fish aquarium with the decorative rock, measured in hours.

And the flow rate is:

$\dot V = \frac{2000\,gal}{10\,h}$

$\dot V = 200\,\frac{gal}{h}$

The flow rate is 200 gallons per hour.

If we know that $\dot V = 200\,\frac{gal}{h}$ , $\Delta t_{1} = 10\,h$ and $\Delta t_{2} = 9.5\,h$ , then the volume of the rock is:

$V_{r} = \left(200\,\frac{gal}{h}\right)\cdot (10\,h-9.5\,h)$

$V_{r} = 100\,gal$

$V_{r} = 13.368\,ft^{3}$

The volume of the rock is 13.368 cubic feet.

8 0

2 years ago

Write the equation of the line that has the same slope as the line graphed and passes through (1.-8).

stich3 [128]

Answer:

y = -8

Step-by-step explanation:

There is no x-variable as that would make the line tilt.

Hope this helps! Have a nice day!

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2 years ago

A cable TV/Internet/phone provider charges new customers $90 for all three services, per month, for the first year

GarryVolchara [31]

Answer:

49%

Step-by-step explanation:

First find how much Alice is paying for the all three service currently.

Amount paid by Alice at present= 59 + 49 + 69 = $ 177

If she switches to 90 NOW plan, then the amount saved = 177 - 90 = $ 87

Percentage of savings = (saved amount ÷ total amount she was paying at present) * 100

$= \frac{87}{177}* 100\\\\= 49.15$

= 49 %

3 0

3 years ago

Read 2 more answers

Larissa has 4 ? cups of flour. She is making cookies using a recipe that calls for 2 ? cups of flour. After baking the cookies,

Scorpion4ik [409]

Answer:

2 cups of flour

Step-by-step explanation:

4-2 = 2

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3 years ago

A line segment has endpoints at (1,6) and (9,-10). The midpoint of the segment is located

ira [324]

Answer:

The answer is

<h2>( 5 , - 2 )</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

$M = ( \frac{x_1 + x_2}{2} , \: \frac{y_1 + y_2}{2} ) \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(1,6) and (9,-10)

The midpoint is

$M = ( \frac{1 + 9}{2} \: , \: \frac{6 - 10}{2} ) \\ = ( \frac{10}{2} \: , \: - \frac{4}{2} )$

We have the final answer as

<h3>( 5 , - 2)</h3>

Hope this helps you

4 0

2 years ago