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VARVARA [1.3K]
3 years ago
5

How to approximate to 3 significant figures

Mathematics
1 answer:
kondaur [170]3 years ago
3 0

Answer:

We round a number to three significant figures in the same way that we would round to three decimal places. We count from the first non-zero digit for three digits. We then round the last digit. We fill in any remaining places to the right of the decimal point with zeros.

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What is the equation of the following line? Be sure to scroll down first to see
andriy [413]

Answer:

y = 6x + 0

Step-by-step explanation:

Equation of a line

y = mx + c

Given

( 0 , 0) ( -1/2 , -3)

find the slope m

m = y2 - y1 / x2 - x1

x1 = 0

y1 = 0

x2 = -1/2

y2 = -3

Insert the values

m = y2 - y1 / x2 - x1

m = -3 - 0 / -1/2 - 0

= -3/-1/2

Minus cancels minus

= 3/1/2

= 3/1 ÷ 1/2

= 3/1 × 2/1

= 6/1

= 6

m = 6

Substitute any of the two points given into the equation of a line

y = mx + c

Where

y - intercept point y

x - intercept point x

m - slope of the line

c - intercept

(-1/2 , -3)

x = -1/2

y = -3

-3 = 6(-1/2) + c

-3 = -6/2 + c

-3 = -3 + c

-3 + 3 = c

c = 0

y = 6x + 0

The equation of the line is

y = 6x + 0

6 0
3 years ago
Read 2 more answers
What would the answer be ?
weeeeeb [17]
154
Subtract $1060 from $5680 to get $4620 > divide $4620 by $30 to get 154 > 154 students can attend
6 0
3 years ago
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What is the value of x in the equation -2/3 x +9= 4/3x -3?
HACTEHA [7]

-2/3x+9=4/3x-3 original problem add 2/3x to both sides

9=6/3x-3 simplify 6/3 to 2 and add 3 to both sides

12=2x  divide both sides by 2

x=6

hope that helps



5 0
3 years ago
Which expressions are equivalent to 4(42)? Select each correct answer. A: 4(40 + 2) B: 4(4 + 2) C: 4(4 + 20) D: 4(20 + 22)
olga2289 [7]
Answer A and D are equivalent to 4(42).
8 0
3 years ago
Read 2 more answers
Please I need help asap
andrey2020 [161]

Answer:

Option D

Step-by-step explanation:

\frac{2}{3}x=\frac{12}{5}

x=(\frac{12}{5} )(\frac{3}{2} )=\frac{36}{10} =\frac{18}{5} =3\frac{3}{5}

Hope this helps

6 0
2 years ago
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