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Gnoma [55]
3 years ago
15

Kyle’s account was overdrawn so that the account showed $9 less than zero. Kyle deposited $25 in the account. The next day he wi

thdrew $10. Which expression finds the amount Kyle then had in the account?
Mathematics
2 answers:
SOVA2 [1]3 years ago
7 0
X=(-9+25)-10 I think
aleksandr82 [10.1K]3 years ago
3 0

Answer: Expression that find the amount in the account is given by

(-9+25)-10

Step-by-step explanation:

Since we have given that

Amount shown in his account after overdrawn = 0-9 = -$9

Amount he deposited in the account = $25

After that, amount in the account becomes

-9+25\\\\=\$16

Next day, Amount he withdrew = $10

<u>So, the amount becomes in the account is given by</u>

16-10\\\\=\$6

So, Expression that find the amount in the account is given by

(-9+25)-10

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3 years ago
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Two tourists went on a hike at dawn. One went from a to b and another one went from b to a. They met at noon but did not stop an
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<span>Dawn was at 6 am. Variables a = distance from a to passing point b = distance from b to passing point c = speed of hiker 1 d = speed of hiker 2 x = number of hours prior to noon when dawn is The first hiker travels for x hours to cover distance a, and the 2nd hiker then takes 9 hours to cover that same distance. This can be expressed as a = cx = 9d cx = 9d x = 9d/c The second hiker travels for x hours to cover distance b, and the 1st hiker then takes 4 hours to cover than same distance. Expressed as b = dx = 4c dx = 4c x = 4c/d We now have two expressions for x, set them equal to each other. 9d/c = 4c/d Multiply both sides by d 9d^2/c = 4c Divide both sides by c 9d^2/c^2 = 4 Interesting... Both sides are exact squares. Take the square root of both sides 3d/c = 2 d/c = 2/3 We now know the ratio of the speeds of the two hikers. Let's see what X is now. x = 9d/c = 9*2/3 = 18/3 = 6 x = 4c/d = 4*3/2 = 12/2 = 6 Both expressions for x, claim x to be 6 hours. And 6 hours prior to noon is 6am. We don't know the actual speeds of the two hikers, nor how far they actually walked. But we do know their relative speeds. And that's enough to figure out when dawn was.</span>
8 0
3 years ago
If you add​ Natalie's age and​ Fred's age, the result is 36. If you add​ Fred's age to 4 times​ Natalie's age, the result is 72.
kozerog [31]

The known facts

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Now, let's set up the equations where N is Natalie's age and F is Fred's age.

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2 years ago
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Answer:

For not exact divisions: Writing the results as Quotient + Remainder over the Divisor.

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Step-by-step explanation:

Hi there,

In both algorithms, for long and synthetic divisions we must write the result as an expression following that order:

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