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hammer [34]
3 years ago
9

Nick's science test has a section with twelve true-or-false questions. In how many different ways can Nick answer the questions?

Mathematics
1 answer:
frez [133]3 years ago
5 0

Answer:

you can do 2^12=4096

there are 4096 different ways nick can answer the question

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Which relation is a direct variation that contains the ordered pair (2, 7)?
Tasya [4]
Lets write equation of a function:

y = kx + n

Direct variation in simple is equation of a line which has n=0 or in other words which y to x ratio is k.

First option gets 7=7 but it isnt direct variation because n is not equal to 0

third option is indeed correct. once we implement coordinates (2,7) we get 7=7

Answer is 
y = 7/2x
8 0
3 years ago
6 [ 13 - 2 ( 4 + 1 ) ] simply step by step
sp2606 [1]

Answer:

18

Step-by-step explanation:

6(13 - 2(4 + 1)) \\ 6(13 - 2 \times 5) \\ 6(13 - 10) \\ 6 \times 3 \\  = 18

4 0
3 years ago
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Oxford currently generates 45,000 tons of garbage per year. but the city is launching some recycling initiatives to bring that n
barxatty [35]

Answer:

-Exponential Decay

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Step-by-step explanation:

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y=Ae^{-rt}

Where:

y is the quantity/size after time t

A is the initial size

r is the rate of decay

-Our function can the be written as

y=45000e^{-0.05t}

Hence, the decay rate/factor is 0.05

#Alternatively

The exponential decay can be of the form:

y=ab^x

Where:

y is the size at time x, a is the initial size, x is time and b is the decay factor.

b is of the form b=(1-r),\ \  r=decay\  rate

y=ab^x\\\\y=45000(1-0.05)^x

Hence, the decay factor is (1-0.05)

8 0
3 years ago
Nguyen was climbing a cliff. He stopped for a snack. After that, he
Yuki888 [10]
He traveled 20 feet after his snack
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3 years ago
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Answer: your Answer is c my friend

Step-by-step explanation:

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3 years ago
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