3 years ago

75,910,000,000 in scientific notation

Mathematics

1 answer:

natulia [17]3 years ago

4 0

Answer:

7.591 x 10^10

Step-by-step explanation:

You have to move the decimal point over until you have a number under 10 and also the number of times you had to move the decimal point at the end of the number over is your exponent for 10

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If two boxes of cereal and a jug of milk cost $8.50, and three boxes of cereal and two jugs of milk cost $14.00, how much does a

Citrus2011 [14]

Answer:

Step-by-step explanation:

Let c represent the cost of a box of cereal and let m represent the cost of a jug of milk.

Create a system of equations:

2c + m = 8.5

3c + 2m = 14

Solve by elimination by multiplying the top equation by -2:

-4c - 2m = -17

3c + 2m = 14

Add them together and solve for c:

-c = -3

c = 3

So, a box of cereal costs $3

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2 years ago

Let x^2 + 11x = 3

Serggg [28]

I hope this helps you

x^2+11x+x+36=39+x

x^2+12x+36=39+x

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3 years ago

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What is the distance between parallel lines whose equations are y = 2x + 7 and y = 2x – 3?

malfutka [58]

Answer:

The distance is $\sqrt{20}$ or $2\sqrt{5}$ .

Step-by-step explanation:

Slope of parallel: 2

Slope of perpendicular: -1/2

Pick a point for y =2x + 7. For example (0,7)

Use the perpendicular slope to get to the other line to find the other point of y=2x-3. Look at the screenshot...I got (4,5).

Distance formula $\sqrt{(x_{2}-x_{1} )^{2}+(y_{2} -y_{1})^2 }$

Insert (0,7) and (4,5)

$\sqrt{(0-4)^{2}+(7-5)^2 }$ = $\sqrt{(-4)^{2}+(2)^2 } = \sqrt{(16)+(4)} } = \sqrt{20} = 2\sqrt{5}$

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2 years ago

An article is bought and sold with a profit of 25% of selling price.find the profit percent

Viefleur [7K]

Answer:33 1/3%

Step-by-step explanation:

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2 years ago

WILL MARK YOU IF YOU CAN HELP plz help me understand this to or add one of my socials to help me with geometry:(

ioda

Answer:

17x + 2 = 16x+6

17x-16x= 6-2

x=4

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2 years ago

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