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Minchanka [31]
4 years ago
9

Light travels 3 x 10^5 kilometers in one second. How far does it travel in 6.7 seconds? Write your answer in scientific notation

.
Mathematics
1 answer:
user100 [1]4 years ago
3 0
We can write the question as this equation :
\frac{1}{3*10^5} = \frac{6.7}{x}
Where x is the distance in kilometers, so to find x:
X= 6.7*3*10^5 = 20.1*10^5 km
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James has $120 in his savings account and plans to save 5x each month for 6 months. The expression 56x + 120 represents the tota
Kazeer [188]

Answer: Factorization of 6x + 120 = 6(x+20)

Factors = 6 and x+20

Step-by-step explanation:

Given: The expression 6x + 120 represents the total amount in the account after 6 months.

We need to factor the expression 6x + 120

We can write this as

6 x + 6 (20)

Common factor = 6 in both terms

So, 6 x + 6 (20) = 6(x+20)

Hence,  Factorization of 6x + 120 = 6(x+20)

7 0
3 years ago
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Darya [45]
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6 0
4 years ago
6. Identify the slope of a line parallel to the given<br> line.<br> y- 4 = + (x + 8)
AleksAgata [21]

Answer: slope = 1

Step-by-step explanation:

For two lines to be parallel then they have the same slope , if the slope of line 1 is M1 and then slope of line 2 is M2 , if they are parallel then M1 = M2.

Given; y- 4 = + (x + 8)

Make y the subject of the formula , so that the equation can be in slope - intercept form , that is in the form y = mx + c , where m is the slope and c is the y - intercept.

y - 4 = x + 8

 Add 4 to both sides

    y = x + 8 +4

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since the coefficient of x is 1 , this means that the slope is 1 , any line that will be parallel to this line must have a slope which is 1

7 0
4 years ago
Y=-8x-4 for what value of x is y equal to -16?
otez555 [7]

1.5 because you do -16=-8x-4

                            +4            +4

-------------------------------------------------------

                             -12=-8x

---------------------------------------------

                               - 8    -8

-12/-8 equals 1.5        

8 0
4 years ago
Select all that apply. the model below represents which of the following?
nikklg [1K]
83%,0.83, and 83/100 because it is 83 out of 100, so obviously the last one; .83 out of one whole; and 83% out of one
5 0
4 years ago
Read 2 more answers
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