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Lerok [7]
3 years ago
8

If you bought 2 pairs of jeans that cost $19.99 each. How much change would you receive if you paid with a $50.00 bill? PLEASE H

ELP QUICK!!!!!
Mathematics
2 answers:
Flauer [41]3 years ago
7 0
Related answer

Beth purchased $21.25 worth of groceries. The sales tax rate is 7.5%. What was her total bill?

Possible Answers:
$23.79

$21.93

$22.84

$23.41

$22.11

Correct answer:
$22.84

Explanation:
The tax is calculated by 0.075 * 21.25 = 1.59375 or $1.59. So the total bill is the cost of items purchased plus tax, which is $21.25 + $1.59 = $22.84.
damaskus [11]3 years ago
3 0
10.02

19.99x2 is 39.98
50-39.98= 10.02
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Find the volume of the cylinder in terms of pi.
Allushta [10]

Answer:

\large\boxed{V=81\pi\ in^3}

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

r - radius

H - height

We have r = 3in and H = 9in. Substitue:

V=\pi(3^2)(9)=\pi(9)(9)=81\pi\ in^3

5 0
3 years ago
Find the height of a right circular cone if the slant height is 4 units and the radius is 2 units
k0ka [10]

The slant height of the right circular cone will be  l=2\sqrt5}

<h3>What is slant height of cone? </h3>

The formula for the slant height of the cone is given as:

l^2=r^2+h^2

Here we have

r=2 units

h=4 units

By putting the values we will get

l=\sqrt{4^2+2^2

l=\sqrt{16+4

l=\sqrt{20}

l=2\sqrt{5}

Hence the slant height of the right circular cone will be  l=2\sqrt5}

To know more about Slant height follow

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7 0
3 years ago
Two airplanes leave an airport at the same time, flying in the same direction. One plane is flying at twice the speed of the oth
olasank [31]

Answer:

One plane has a speed of 450 km/h and the other has a speed of 900 km/h.

Step-by-step explanation:

I am going to say that:

The speed of the first plane is x.

The speed of the second plane is y.

One plane is flying at twice the speed of the other.

I will say that y = 2x. We could also say that x = 2y.

Two airplanes leave an airport at the same time, flying in the same direction

They fly in the same direction, so their relative speed(difference) at the end of each hour is y - x = 2x - x = x.

If after 4 hours they are 1800 km apart, find the speed of each plane

After 1 hour, they will be x km apart. After 4, 1800. So

1 hour - x km apart

4 hours - 1800 km apart

4x = 1800

x = 1800/4

x = 450

2x = 2*450 = 900

One plane has a speed of 450 km/h and the other has a speed of 900 km/h.

3 0
3 years ago
Martey drew a model of the shool library
vova2212 [387]

Answer:

Q?

Step-by-step explanation:

3 0
3 years ago
The system of equations: 5x-4y=-3
Sophie [7]

Answer:

3)5x-4y=-3

6x+4y=14

Step-by-step explanation:

The system of equations is given

5x-4y=-3

3x+2y=7

Multiplying both sides of the lower equation by 2, we get

6x + 4y = 14

That means your answer 3)

5 0
3 years ago
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