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Ne4ueva [31]
3 years ago
8

Solve for x 3(x - 2) = 6x - 12

Mathematics
1 answer:
svetoff [14.1K]3 years ago
6 0

Answer:x=2

Step-by-step explanation:

3(x-2)=6x-12

3x-6=6x-12

Collect like terms

6x-3x=12-6

3x=6

Divide both sides by 3

3x/3=6/3

x=2

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An object with a mass of 3.0 g raises the level of water in a graduated cylinder from 25.1 mL to 33.1 mL. What is the density of
evablogger [386]
The displaced volume of the water, because of the submersion of the object, is equal to the volume of the object.

So to find the volume of the object we calculate the difference in volume of water:
33.1-25.1 = 8 ml

Since 1 mL of water has the volume of  1cm^3, then the volume of the object is 8 cm^3.


The density of the object is found by the formula:

density= mass/volume= (3 g) / (8 cm^3) = 3/8 (g/cm^3)= 0.375 g/cm^3


Answer: 0.375 g/cm^3
7 0
3 years ago
Find the volume of a pyramid with a square base, where the side length of the base is
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Answer:

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Step-by-step explanation:

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3 years ago
Which is the equation of a circle with its center at (-4,2) and a radius of 4?
Snowcat [4.5K]

Answer:

(x +4)^2 + (y-2)^2 = 16

Step-by-step explanation:

We can write the equation for a circle with the formula

(x-h)^2 + (y-k)^2 = r^2

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We know the center is at (-4,2) and the radius is 4

(x- -4)^2 + (y-2)^2 = 4^2

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4 0
2 years ago
Please help i put max points for u!!
jek_recluse [69]

Answer:

Equation: y = \frac{7}{4} x

21/2 cups of water

Step-by-step explanation:

Plug in 7 as y and 4 as x

7 = 4k

Find k

k = 7/4

Then plug k into th equation

y = 7/4 x

For the second part of the question:

Plug in x which is 6 into the bolded equation.

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21/2 cups of water

5 0
2 years ago
Read 2 more answers
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Bess [88]
The first answer is c
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3 years ago
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