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ololo11 [35]
3 years ago
12

Brian bought 4 CDs that were each the same price. Including sales tax, he paid a total of $60.80 . Of that total, $3.60 was tax.

What was the price of each CD before tax?
Mathematics
1 answer:
Yuliya22 [10]3 years ago
3 0

Answer:

14.30

Step-by-step explanation:

$60.80 - $3.60 = 57.20/4 = 14.30

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I drove 380 miles using 14 gallons of gas. At this rate, how many gallons of gas would I need to drive 418 miles?
ser-zykov [4K]

Answer:

15.4 gallons .

Step-by-step explanation:

The rate of gas used  = 380/14 = 27.14 gallons per gallon.

So for each gallon used  you drive 27.14 miles.

So number of gallons used when travelling 418 miles = 418/27.14

= 15.4 gallons .


8 0
3 years ago
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How many distinct triangles can be formed for which m∠E = 64°, g = 9, and e = 10?
zysi [14]

Answer:

1) one

2) zero

Step-by-step explanation:

e/sinE = g/sinG

10/sin64 = 9/sinG

sinG = 0.8089146417

G = 53.99

j/sinJ = k/sinK

3/sin129 = 8/sinK

sinK = 2.072389241

3 0
3 years ago
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In physics, kinetic energy is the energy of an object in motion. Kinetic energy, K, measured in joules (J), is
Kryger [21]

Answer:

m =  \frac{2k}{v^{2} }

Step-by-step explanation:

k  =  \frac{1}{2} mv ^{2}

v ^{2} m = 2k

m =  \frac{2k}{v ^{2} }

5 0
3 years ago
Por la seguridad de su personal y sus clientes una agencia bancaria se instalara una camara de video en un soporte de pared de m
yulyashka [42]

Answer:

16.24°

Step-by-step explanation:

Are you trying to find the angle of depression from the camera to the cashier?

Assume that the camera is 2.24 m high and the cashier is 7.69 m away.

1. Angle of elevation from cashier

tanθ = 2.24/7.69 = 0.2913

θ = arctan(0.2913) = 16.24°  

2. Angle of depression from camera

∠ of depression = ∠ of elevation = 16.24°

6 0
3 years ago
Solve 3x - 5 + x = 31.
Sergio039 [100]

Answer:

x=9

Step-by-step explanation:3x-5+x=31

3x+x=31+5

4x=36

x=36/4

x=9

8 0
2 years ago
Read 2 more answers
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