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Nataly [62]
3 years ago
6

How many different possible answers keys are there for an answer sheet with this format? 10 questions, 5 possible answers for ea

ch question
Mathematics
2 answers:
Kobotan [32]3 years ago
8 0
5 answers bc there's only 5 on each question
castortr0y [4]3 years ago
6 0
50 Because 10 multiplied by 5 equals fifty
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Could someone answer and explain these please? Thank you!
Oksana_A [137]

Answer 1:

It is given that the positive 2 digit number is 'x' with tens digit 't' and units digit 'u'.

So the two digit number x is expressed as,

x=(10 \times t)+(1 \times u)

x=10t+u

The two digit number 'y' is obtained by reversing the digits of x.

So, y=(10 \times u)+(1 \times t)

y=10u+t

Now, the value of x-y is expressed as:

x-y=(10t+u)-(10u+t)

x-y=10t+u-10u-t

x-y=9t-9u

x-y=9(t-u)

So, 9(t-u) is equivalent to (x-y).

Answer 2:

It is given that the sum of infinite geometric series with first term 'a' and common ratio r<1 = \frac{a}{1-r}

Since, the sum of the given infinite geometric series = 200

Therefore,\frac{a}{1-r}=200

Since, r=0.15 (given)

\frac{a}{1-0.15}=200

\frac{a}{0.85}=200

a=0.85 \times 200

a=170

The nth term of geometric series is given by ar^{n-1}.

So, second term of the series = ar^{2-1} = ar

Second term = 170 \times 0.15

= 25.5

So, the second term of the geometric series is 25.5






Step-by-step explanation:


8 0
3 years ago
Help with number 5 show work and explanation <br> ASAP PLEASE!!!!!!
ExtremeBDS [4]
Here !!!!!!!!!!!!!!!!!!!!

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3 years ago
A product that is a chemically bonded combination of reactants will form in which type of reaction? Select three options.
alex41 [277]

Answer: synthesis

polymerization

oxidation

Step-by-step explanation:

3 0
2 years ago
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Need help number 8 it’s decreasing or increasing
andrew-mc [135]
Increasing I think dryyhiiouiiiiuyutff
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2 years ago
Is b = 6 a solution to the inequality b – 3 &gt; 5?
const2013 [10]

Answer:Hlello, my name is woods245.

So you have the problem b - 3>5 and is says that b=6.

So know the problem looks like this. 6 - 3>5.

Step-by-step explanation:

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2 years ago
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