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Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

7 0

Answer:

Step-by-step explanation:

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What is 80,300,000,000 written in scientific notation?

anastassius [24]

8.03×10^10. move the decimal behind the eight and count the amount of places the decimal moved and that would be your power.

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4 years ago

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A rectangle has a height of b3 + b2 and a width of b2 + 76 + 4.

zaharov [31]

Answer:

The area is:

${b}^{5} + 8 {b}^{4} + 11 {b}^{3} + 4 {b}^{2}$

Step-by-step explanation:

To find the area of a rectangle, multiply the width by the height (I'll be using x for b, as it is easier when writing the equations):

$a = ({x}^{ 3} + {x}^{2} )( {x}^{2} + 7x + 4) \\ a = {x}^{5} + 7{x}^{4} + 4 {x}^{3} \\ + {x}^{4} + 7 {x}^{3} + 4 {x}^{2} \\ a = {x}^{5} + 8 {x}^{4} + 11 {x}^{3} + 4 {x}^{2}$

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4 years ago

Hello !! 1 question : one serving of pasta contains 210 calories.what percentage of a 2000-calorie diet is contained in one serv

andrew11 [14]

1) 210/2000=10.5%
2) What percentage of 64.99 is 45.49?
45.49/64.99=.699
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3 years ago

I am stuck on this question Work out : 5x 3/4

brilliants [131]

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. Anne is pushing a wheelbarrow filled with mulch to place in her garden. She is pushing the wheelbarrow with a force of 70 N at

Kruka [31]

Answer:

When Anne pushes the wheelbarrow 25 meters the work done is 1120 joules

Solution:

We know $\text { Work }(\mathrm{W})=\text { Force }(\mathrm{F})\times\text { Distance (D) }$