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3 years ago

7

In how many ways can a designer chose from 3 summer dresses,2 purses, a hat, 3 scarfs, 2 belts if she chooses one of each?

1 answer:

butalik [34]3 years ago

4 0

Answer:

I'm pretty sure it's 32

Step-by-step explanation:

hope this helpsb

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If the equation of a line passes through the points (1, 3) and (0, 0), which form would be used to write the equation of the lin

umka2103 [35]

I'd use the point-slope form, because it'd require the least amount of work.

The slope of this line is 3/1, or just 3.

Thus, y = mx + b becomes 3 = 3(1) + b, and b = 0. Thus, we get y = 3x (ans.)

7 0

2 years ago

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

The lines below are perpendicular. If the green line has a slope of -2/3, what is the slope of the red line? Enter your answer a

11111nata11111 [884]

Let the red line be x
_2 by 3 _ x

3 0

2 years ago

Determine whether the two expressions are equivalent.

Julli [10]

Answer:

They are equivalent because they equal the same, but the numbers are just flipped around. True

Step-by-step explanation:

8 0

3 years ago

The product of a number, x, and 18 is 113.4. Which equation and value of x represent this relationship?

KIM [24]

Answer:

42

Step-by-step explanation:

5 0

3 years ago