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inysia [295]
4 years ago
14

5y + 3 = 2y - 3x + 5 as a function in "y=..." form (please show work)

Mathematics
1 answer:
vlabodo [156]4 years ago
4 0
Hey there!

In order to solve this equation for y, you need to use addition, subtraction, and division to combine and simplify the terms. You do this by first eliminating the terms, which you do by completing whatever will make each term equal to zero. Then, you'll repeat this same thing on the other side of the equation, like so:

<span>5y + 3 = 2y – 3x + 5
     – 3                 – 3
</span>
5y = 2y – 3x + 2

As you can see, I subtracted three from +3 the left side to cancel it out, then repeated that on the right side to the similar term (the constant). Now, just repeat that with your other terms until your equation is equal to y. 

   5y = 2y – 3x + 2
+ 2y + 2y

<u>7y</u> = <u>–3x + 2</u>
7          7

y = <u>–3x + 2</u>
            7

When you can't simplify any more, you have your answer. y will be equal to –3x + 2 over 7. 

Hope this helped you out! :-)
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Answer:

a(n) = 80(3)^{n}

524880

Step-by-step explanation:

Scarlett bought an ant farm with 80 ants. From the following week forward, the ant population tripled every week.

So, the population of ant after 1st week will be (80 × 3) = 240

Again, after 2 weeks this will be (240 × 3) = 720

Therefore, the ant population is increasing in a geometric sequence and here the first term is 80 and the common ratio is 3.

Hence, if a(n) is the population of ant after n weeks then,  

a(n) = 80(3)^{n}  (Answer)

Now, there will be 80(3)^{8} = 524880 ants after 8 weeks. (Answer)

8 0
4 years ago
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Taylor Swift wants to know the proportion of her fans who listened to her new single ME! within the first hour of it being relea
lara31 [8.8K]

Answer:

The parameter is the population proportion of fans who  listened to her new single and has an estimated value of 90%.

Step-by-step explanation:

The parameter is a value that corresponds to a population, while an a value that corresponds to a sample is know as statistic.

She takes a sample to estimate, with a point estimate and probably with a confidence interval around this point estimate, the true proportion of fans who listened to her new single.

This is the paramater: the population proportion of fans who listened to her new single.

Its value comes from an estimation based on the sample proportion (point estimate).

The sample proportion is 90%, so we can estimate, as there is no bias, that the population proportion is also 90%.

8 0
3 years ago
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Answer:

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2 years ago
Someone help pleaseee
Doss [256]

Answer:

38°

Step-by-step explanation:

All triangles have a sum of 180°

180 - (119 + 23) = missing angle

180 - (142) = missing angle

38 = missing angle

So, the missing angle has a measurement of 38°

5 0
4 years ago
A jar contains 3 black marbles, 4 white marbles and 5 striped marbles. If a marble is picked at random, what is the probability
lana66690 [7]

Answer:

1/4

Step-by-step explanation:

there is 3 black marbles and 3+4+5=12 total marbles. 3/12=1/4

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