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brilliants [131]
3 years ago
13

Which table shows a proportional relationship?

Mathematics
1 answer:
lord [1]3 years ago
7 0
To figure this out, always divide y by x in each table. All of the values have to be equal or the table isn’t proportional.

In this case, the last choice is proportional.
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You are rolling two dice at the same time. What is the probability of rolling a sum of 5 or 9?
baherus [9]
You can get a 5 by rolling :
1 and 4
2 and 3
3 and 2
4 and 1

You can get a 9 by rolling :
3 and 6
4 and 5
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There are 36 possible outcomes, hence your probability is \frac{4\cdot2}{36}=\boxed{\frac29}
8 0
2 years ago
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Find the explicit formula for a 1 =-4,a n =a n-1 +9,n>=2
Mrrafil [7]

Given:

a_1=-4 and a_n=a_{n-1}+9 where n\geq 2.

To find:

The explicit formula for the given recursive formula.

Solution:

We know that recursive formula of an AP is:

a_n=a_{n-1}+d

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We have,

a_n=a_{n-1}+9

Here, d=9.

The first term of the AP is a_1=-4.

The explicit formula for an AP is:

a_n=a_1+(n-1)d

Substituting a_1=-4 and d=9, we get

a_n=-4+(n-1)9

a_n=-4+9n-9

a_n=-13+9n

Therefore, the required explicit formula for the given sequence is a_n=-13+9n.

6 0
3 years ago
Two similar solids A and B are shown. Solid A has a volume of 60 cm3. Work out the volume of solid B
expeople1 [14]

Answer:

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Explanation:

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6 0
3 years ago
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The graph of a function must pass the __________ line test. <br> A) vertical <br> B) horizontal
olga2289 [7]

Answer:

A) Vertical.

Step-by-step explanation:

It must pass the vertical line test. That is it must not have any vertical line passing through more than one point on the curve. If it does then it is not a function.

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5 0
3 years ago
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Select all of the potential solution(s) of the equation 2log5x=log54.
Ilya [14]
X= -2 and x= 2 are the answers
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3 years ago
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