4 years ago

Scientific notation of 0.000105

1 answer:

7 0

1.05 * 10^-4 is the answer. When you move the decimal to the right the power is negative. Also, there needs to be at least one number in front of the decimal to make it a scientific notation.

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The slope of the line below is 3. Use the coordinates of the labeled point to

Vinvika [58]

Answer:

$y = 8+3x$

Step-by-step explanation:

Remember that the equation of the line is

$y-y_0 = m*(x-x_0)$

in this case we have

$y-8 = 3(x-0)$

that is because

$y_0 = 8, x_0 = 8 , m = 3$

8 0

3 years ago

A public library wants to place 4 magazines and 9 books on each display shelf. The expression 4s+9s represents the total number

Bezzdna [24]

Answer: the answer would be s(9+4)

Step-by-step explanation:

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3 years ago

How do you do number 15 thxxx

vampirchik [111]

The simpliest way to do this is to turn both fractions into decimals

7/10 goes to 0.7 and 2/5 goes to 0.4

then the equation would be 0.7x + 20 = 0.4

hope I've helped!

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4 years ago

A flying disc was originally marked at 5$ and has been sold at $3.50. What was the percent of discount?

Otrada [13]

Answer:

30%

Step-by-step explanation:

Percentage discount

$= \frac{discount}{original \: price} \times 100\% \\ = \frac{5 - 3.50}{5} \times 100\% \\ = 30\%$

☆ Discount= original price -selling price

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3 years ago

What is the solution to the system of equations below?

AnnyKZ [126]

Answer:

x=9, y=3

Step-by-step explanation:

-4x+6y=-18

y=-2x+21

-4x+6(-2x+21)=-18

-4x-12x+126=-18

144=16x

x=9

y=-2x+21

y=-18+21

y=3

8 0

4 years ago