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Mrrafil [7]
3 years ago
14

Solve the following system of equations using substitution. What is the value of y?

Mathematics
1 answer:
jonny [76]3 years ago
3 0
X = 15 and y = 25
hope this helps

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You are opening a snow cone stand. Your cups, which are shaped like a cone, are 4" tall and have a 6" diameter. How much room is
aleksley [76]

Answer:

I'm not too sure but I think it's 37.7

Step-by-step explanation:

radius of the base times height is supposed to equal the volume but I'm bad at geometry

3 0
2 years ago
Determine the density in g/cm3 of a mineral that has a volume of 3.8 cm3 and a mass of 22.4 g.
kherson [118]

Answer:

5.89 g/cm³

Step-by-step explanation:

givens,

Mass = 22.4 g

volume = 3.8 cm³

Density = mass / volume

= 22.4 / 3.8

= 5.89 g/cm³

4 0
3 years ago
10. Suppose y varies directly as x, and y = 9 when x = 3/2. Find y when x = 1
pogonyaev

Answer:

y = 6

Step-by-step explanation:

We need to interpret the question

y varies directly as x

y varies x

To equate it, we need to add a constant K

y = K/x

Using the information we are provided with

y = 9

x = 3/2

insert into

y = Kx

9 = K * 3/2

9 = 3K/ 2

3K = 9 *2

3k = 18

To get K, divide through by 3

3K/3 = 18/3

K = 6

Since we've gotten our K = 6

y = Kx

Using the new information

y = ?

x = 1

K = 6

y = 6* 1

y = 6

The new y = 6 , x =1

6 0
3 years ago
Madelyn hikes 190.5 meters up a mountain. If she is 62% of the way up, how tall is the mountain?
ira [324]

Answer:

307 Meters

Step-by-step explanation:

\frac{62}{100} = 190.5\\
Cross multiply:

62w = 100(190.5)

Multiply 100 by 190.5:

62w = 19,050

Solve for w:

Divide both sides by 19,050 to isolate the variable and get the answer

19,050/62 = 307.25.....

~ After rounding to the nearest percent, the answer is 307

8 0
2 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
irinina [24]

Answer:

1.) D

2.) 12in

3.)6

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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