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3 years ago

What would be the function for this?

Mathematics

1 answer:

coldgirl [10]3 years ago

7 0

Answer:

f(x) = 2x + 4

Step-by-step explanation:

This is an arithmetic sequence

y = a1 + (x - 1)d where a1 = first term and d = common difference so it is

y = 6 + (x - 1)*2

y = 2x + 4 answer

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Which triangle has 0 reflectional symmetries?

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Answer:

the traingle that have 0 reflectional is the scalene traingle then its number one all defferent sides

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2 years ago

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It cost Alexandra $9.90 to send 198 text messages. How many text messages did she send if she spent $2.35?

tatiyna

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3 years ago

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Solve the following proportion for x. 3/13 = x/5 Round your answer to the nearest tenth.

anastassius [24]

To solve, isolate the x. Cross multiply

3/13(13)(5) = x/5(5)(13)

3(5) = (13)x

Simplify

13x = 15

Isolate the x. Divide by 13.

13x/13 = 15/13

x = 15/13

x = 1.2

1.2 is your answer

hope this helps

8 0

2 years ago

Which expression is not a polynomial?<br> x³<br> x² - 2x<br> x³ +1<br> 12x

zaharov [31]

Answer:

12x

Step-by-step explanation:

It has no exponent so it is not a polynomial

3 0

1 year ago

The manager of a supermarket wants to obtain information about the proportion of customers who dislike a new policy on cashing c

alex41 [277]

Answer:

n = 61 costumers

Step-by-step explanation:

For calculating the number of costumers he should sample we use the next equation:

$n = \frac{z_{1-\alpha/2}^{2}p(1-p)}{E^{2} }$

Where E is the error that we are prepared to accept, in this case E = 0.15

How we don't know the value of p, we can estimate it like p = 0.5

∝ = 1-0.98 = 0.02

1-∝/2 = 0.99

$z_{0.99} = 2.33$

$n = \frac{(2.33^{2})(0.5)(1-0.5)}{0.15^{2} }$

n = 60.32 costumers

n ≈ 61 costumers

4 0

3 years ago