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3 years ago

Hao dog ate 40 cans of dog food in 31 days. How many cans does Hao needs to buy for the next 6 dqys

2 answers:

8 0

31 days to eat 40 cans
6 days to eat x cans

X = 6•40/31= 240/31 is about 7.74 so needs to buy 8 cans to have enough food

ANEK [815]3 years ago

8 0

the answer is mathematically 4.65 because 31 goes into 40 0.775 times and 0.775 times 6 has the product of 4.65 giving u the answer to this very odd question

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A new car is purchased for 15700 dollars. The value of the car depreciates at 7.5% per year. To the nearest year, how long will

devlian [24]

Answer:

10100=15700(1-0.075)^x

10100=15700(0.925)^x

divide both sides by 15700

0.925^x=101/157

convert decimal

(37/40)^x=101/157

take the log

x= log 37/40 (101/157)

x= 5.65824

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2 years ago

Identify the scale factor when we scale up from Figure S to T. Just write the number.

Sergeu [11.5K]

Answer:

Scale factor = 4

Step-by-step explanation:

Scale factor = $\frac{\text{Dimension of the image}}{\text{Dimension of preimage or original}}$

Since, S is being dilated with a scale factor to form T,

So, the figure S is the preimage and figure T will be the image,

Length of one side of image T = 8

Length of one side of preimage = 2

Therefore, Scale factor = $\frac{8}{2}$

= 4

Scale factor by which figure S has been dilated to form figure T is 4.

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2 years ago

This is a literal equation.

Aleksandr [31]

Assuming this is the equation you want to operate on:
$v^{2} = (v_0)^{2} + 2\cdot a \cdot \Deltax$
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$a = \frac{v^{2} - (v_0)^{2}}{2\cdot \Delta x}$
Before final operation we have to assume that x is not equal to 0. :)

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Tems11 [23]

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