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Blizzard [7]
3 years ago
5

How do you do this I need help

Mathematics
2 answers:
horsena [70]3 years ago
8 0


2 11 14 10
33.250
- 21.463
—————
11.787

Line up your decimals and add an extra zero so that there’s 3 numbers after 33 and 21. 0-3 isn’t possible so you would take 1 away from 5 which leaves you with 4.

10-3=7

4-6 wouldn’t be possible so you take 1 away from 2 and it gives you 14 since you add the 1 before the 4

14-6=8

1-4 isn’t possible as well so take 1 away from 3 and you would get 11.

11-4=7

2-1=1
3-2=1

(Note: when you take 1 away from a number. It’s suppose to be taken away from the number in front of the number that needs the 1)

I hope this helped
madreJ [45]3 years ago
3 0
You need to line the numbers up then subtract
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VARVARA [1.3K]

Answer:

The base is decreasing at 2 cm/min.

Step-by-step explanation:

The area (A) of a triangle is given by:

A = \frac{1}{2}bh   (1)

Where:

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If we take the derivative of equation (1) as a function of time we have:

\frac{dA}{dt} = \frac{1}{2}(\frac{db}{dt}h + \frac{dh}{dt}b)

We can find the base by solving equation (1) for b:

b = \frac{2A}{h} = \frac{2*120 cm^{2}}{10 cm} = 24 cm

Now, having that dh/dt = 1 cm/min, dA/dt = 2 cm²/min we can find db/dt:

2 cm^{2}/min = \frac{1}{2}(\frac{db}{dt}*10 cm + 1 cm/min*24 cm)

\frac{db}{dt} = \frac{2*2 cm^{2}/min - 1 cm/min*24 cm}{10 cm} = -2 cm/min    

         

Therefore, the base is decreasing at 2 cm/min.

               

I hope it helps you!  

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2 years ago
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Answer:

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Step-by-step explanation:

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Subtract a from all equalities:

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Subtract them:

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The greatest number is 6. When you divide numbers 63, 45, 69 by 6, you'll get remainders 3, 3, 3, respectively.

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