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3 years ago

How to subtract 23 from 71 is like subtracting 3 from 71? How is it different from subtracting 3 from 71? Explain.

Mathematics

1 answer:

irga5000 [103]3 years ago

5 0

Answer:

it is different by the numbers are changing so the answers are different and the 3 is one digit and 23 is two digits.

Step-by-step explanation:

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Use the distributive property to expand -4(-2/3+3x). Which is an equivalent expression?

Bad White [126]

$- 4 \times ( \frac{2}{3} + 3x)$
Multiply each term in the parentheses, namely 2/3 and 3x, by the only term outside of the parentheses, -4.

Each of the resulting products becomes a new term in the addition.

$( - 4 \times \frac{2}{3} ) + ( - 4 \times 3x)$
$( - \frac{8}{3} ) + ( - 12x)$
$- \frac{8}{3} - 12x$
You may choose to keep the answer this way, or continue to change the improper fraction into a proper fraction. A lot of teachers also prefer to have the highest degree terms (terms that have variables with the highest powers) on the left.

$- 12x - 2 \frac{2}{3}$

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3 years ago

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Gabriella rented a bike from Jaidee's Bikes. It cost $14 plus $6 per hour. If Gabriella paid $26 total then how many hours did s

RideAnS [48]

Answer:

2 Hours

Step-by-step explanation:

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You start with 14, and add on 6 which gives you your starting total 20. So that's one hour. then you add another hour, adding on another $6 making the total $26 and two hours of renting time.

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3 years ago

(5x + 2)+(7x - 6) equals what

Brums [2.3K]

Answer:

Use F.O.I.L method
First, Outter, Inner, Last

So:

5x*7x= 35x^2

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7x*2= 14x
2*-6= -12

So just add it all up, combine like terms and you have your answer.

35x^2 -16x -12

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2 years ago

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2 years ago

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Which is true about the volume or surface area of these prisms?

GrogVix [38]

The correct answer is B- The surface area of B is greater than the surface area of A. I got this answer because...

Figure A's Volume= 60

Figure B's Volume= 60

Figure A's Surface Area= 104

Figure B's Surface Area= 248

So because the volumes are the same I knew it was not C or D, and then I solved the Surface Area for figures a and b and knew the correct answer is B.

Hope that helps. :)

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3 years ago