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sattari [20]
3 years ago
9

What is the estimated age of Earth?

Mathematics
2 answers:
Studentka2010 [4]3 years ago
8 0

Answer:

4.54 billion years

Step-by-step explanation:

Scientists use the layers of rock of the Earth's crust/core to estimate how old is the earth.

Serhud [2]3 years ago
6 0

Answer:

4.543 billion years i think, i apologize if im wrong

Step-by-step explanation:

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nikitadnepr [17]

Step-by-step explanation:

the process is shown in the picture.

4 0
3 years ago
Find the equation of the line with slope m=1/2 that contains the point (4,6)
vazorg [7]

Answer:

y = 1/2x + 4

Step-by-step explanation:

Use the formula for the equation of a line.

y = mx + b

Where m is the slope, and b is the y-intercept.

The slope is given.

y = 1/2x + b

The points (x, y) are given.

(4, 6)

Put y as 6 and x as 4, solve for b.

6 = 1/2(4) + b

6 = 2 + b

6 - 2 = b

4 = b

The y-intercept is 4 or (0, 4).

The equation of the line is y = 1/2x + 4.

4 0
3 years ago
What is the greatest common factor of 4k, 18k^4 and 12
vekshin1
Greatest Common Factor: 2

6 0
3 years ago
Read 2 more answers
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Ber [7]
I’m most sure that the answer is A.
8 0
3 years ago
Read 2 more answers
7 x-3(4 x-8)<6 x+12-9 x
kari74 [83]

Answer:

x > 6

Step-by-step explanation:

1.) Distribute - 3 through the parenthesis

7x-3(4x-8)<6x+12-9x

7x-12x+24<6x+12-9x

2.) Then collect like terms

7x-12x+24<6x+12-9x

7x-12x+24<-3x+12

7x-12x+24<-3x+12

-5x+24<-3x+12

3.) Move the <u>variable</u> to the left and change the sign

-5x+24<-3x+12

-5x+3x+24<12

4.) Move the <u>constant</u> to the right and change it's sign

-5x+3x+24<12

-5x+3x<12-24

5.) Collect like terms

-5x+3x<12-24

-2x<12-24

6.) Calculate the difference

-2x<-12

7.) Divide both sides by -2 and flip the inequality sign

-2x<-12

x>6

6 0
2 years ago
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