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Lina20 [59]
3 years ago
8

Combining like terms.

Mathematics
1 answer:
DaniilM [7]3 years ago
7 0
1).15n + p.
2). 2x + 5 +8y.
3). 20a + 3.
4). 10x + 3y - 5.
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A savings account compounds interest, at a rate of 25%, once a year. Eve puts $500 in the account as the principal. How can Eve
vladimir1956 [14]
Year 1: 500 + 0.25*500 = 500 [1 + 0.25]

Year 2: 500*[ 1 + 0.25] * [1 + 0.25] = 500 [1 + 0.25]^2

Year x: 500 [1 + 0.25]^x

Option d: A(x) = 500[1 + .25]^x, where .25 is the interest rate
5 0
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What is the value of (-14⁰)-2<br> a -1/196<br> b 1/196<br>c 0 <br>d 1
natta225 [31]

Answer:

It is -1/196 for those who want the quick answer and not the one below me calling the person dumb which I reported BTW because it is unacceptable.

Step-by-step explanation:

I know i dont work for Brainly but i apologize for the person who was called dumb.

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3 years ago
Joseph’s new puppy is 44 centimeters long how long is his puppy in millimeters
maw [93]
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3 0
2 years ago
Read 2 more answers
75/70I have to indicate whether each of the following franchises Papa or improper for sixteenths
Setler [38]
Cnxnzznzjzjsb poopy poopies
5 0
3 years ago
A soft-drink machine is regulated so that the amount of drink dispensed is approximately normally distributed with known standar
Vsevolod [243]

Answer:

This is  a reasonable decision because the sample size has no effect on the 90% confidence interval

Step-by-step explanation:

90% confidence interval

larger sample size = 20

condition : sample mean ( x-bar ) is the same for both samples

<em>This is  a reasonable decision because the sample size has no effect on the 90% confidence interva</em>l

<u>from condition 1 :</u>

Amount of drink dispensed is normally distributed with known standard deviation , given a random sample of n drinks and the sample mean at a confidence interval of 90%

<u>for condition 2 :</u>

sample size = 20

mean = 2.25 ( assumed value )

std = 0.15 ( assumed value )

Z = 1.645 ( Z-value )

determine the 90% confidence interval

= mean ± z \frac{std}{\sqrt{n} }

= 2.25 ± 1.645 \frac{0.15}{\sqrt{20} }

= 2.25 ± 0.0335 = ( 2.2835 , 2.2165 )

7 0
3 years ago
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