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Lesechka [4]
2 years ago
6

The formula for the rate at which water is flowing is R=v/t, where

Mathematics
1 answer:
Anarel [89]2 years ago
3 0
The answer is b I hope I could help
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A CD usually sells for $14.00. If the CD is 10% off, and sales tax is 6%, what is the total price of the CD, including tax?
Vikki [24]
10% of 14 =1.4
14-1.4=12.6
6% of 14=0.84
12.6+0.84= 13.45
7 0
3 years ago
1- un tinaco se llena en 8 horas utilizando 4 llaves. en cuanto tiempo se llenara con 7 llaves?
svetoff [14.1K]

Answer: 4.6 horas.

Step-by-step explanation:

Podemos calcular el tiempo necesario por una llave:

si sabemos que se llena en 8 horas con 4 llaves, entonces una sola llave va a tardar 4 veces 8 horas en llenar el tinaco, es decir, una sola llave tarda:

4*8h = 32 horas

ahora, si usamos 7 llaves, el tiempo necesario va a ser un septimo de eso:

(32 h por llave)/(7 llaves) = 32/7 horas = 4.6 horas.

4 0
2 years ago
One equation in a system of linear equations is y=2x+1
Rufina [12.5K]

Step-by-step explanation:

<u>Given equation:</u>

  • y = 2x + 1

a. write a second equation so that (1,3) is the only solution of the system

To have only one solution the equation must have a different slope.

<u>Let it be 10, then the y-intercept of y = 10x + b is:</u>

  • 3 = 1*10 + b ⇒ b = -7

<u>And the equation:</u>

  • y = 10x - 7

b. Write a second equation so that the system has infinitely many solutions

<u>To have infinitely many solutions, both equations must be same:</u>

  • y = 2x + 1

c. Write a second equation so that the system has no solutions.

<u>To have no solutions, the equations must have same slope but different y-intercepts:</u>

  • y = 2x + 5
3 0
3 years ago
You are baking cookies. The recipe calls for 3/4 cup of flour. You want to make 1/2 of a batch. How much flour do you need?
MissTica
3/4<span> / 2</span> 
= 6/8 / 2
= 3/8

You need 3/8 cups of flour
6 0
2 years ago
How many cups of ketchup would 13 hamburgers get if there was 3 1/4 cups to be equally split along the 13 hamburgers
Yuki888 [10]

Answer:

Step-by-step explanation:

3 1/4 divided by 13=.25

Each hamburger get 1/4 cup

4 0
2 years ago
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