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Alina [70]
3 years ago
5

the radius of the Earth is 6378.1 KM which is 2981 .1 km longer than the radius of Mars write and solve the equation to determin

e the radius of Mars show that your answer is reasonable
Mathematics
2 answers:
Bad White [126]3 years ago
7 0
6,378.1 - 2,981.1

= 6,000 + 300 + 70 + 8 + 1/10 - 2,000 - 900 - 80 - 1 - 1/10

= (6,000 - 2,000) + (300 - 900) + (70 - 80) + (8-1) + (1/10-1/10)

= 4,000 - 600 - 10 + 7 + 0

= 3,400 - 3 

= 3,397
Rasek [7]3 years ago
6 0
576.3
this is the answer to your question

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Increase the number 120 by 70%
Karo-lina-s [1.5K]
Multiply 120 by .7 then take the product and add it to 120.

3 0
3 years ago
He initially had 300 boxes of candy. Every minute he sells 4 boxes. <br><br> WHAT IS THE SLOPE?
enot [183]
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5 0
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Santiago receives an allowance of $7 every week.How much total dose he receve after 4 weeks?
zlopas [31]
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5 0
3 years ago
What is the equation in point-slope form of a line that passes through the points (3, −5) and (−8, 4) ?
maxonik [38]
ANSWER

y + 5= - \frac{9}{11} (x-3)

or

y - 4= - \frac{9}{11} (x + 8)

EXPLANATION

We want to find the equation in point-slope form of a line that passes through the points (3, −5) and (−8, 4).

The point-slope form is given by;

y-y_1=m(x-x_1)

where

m = \frac{4 - - 5}{ - 8 - 3} = \frac{4 + 5}{ - 11} = - \frac{9}{11}

is the slope of the line.

If

(x_1,y_1)=(3,-5)

The point-slope form is

y + 5= - \frac{9}{11} (x-3)

On the other hand, if
(x_1,y_1)=( - 8,4)

Then the point-slope form is,

y - 4= - \frac{9}{11} (x + 8)

These two equations are the same when simplified.
4 0
3 years ago
What are the solutions to this equation?<br> 7x2 − 28 = 0
valentina_108 [34]

Answer:

x = 2 or x = -2

Step-by-step explanation:

7x^2 - 28 = 0

7x^2 = 28

x^2 = 28/7 = 4

x = root(4)  or  x = -root(4)

x = 2 or x = -2

8 0
3 years ago
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