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hjlf
3 years ago
7

Please help me guys I am in trouble​

Mathematics
1 answer:
777dan777 [17]3 years ago
5 0
The answer to the question ought to be 10
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Henry and his brother each start a savings account. Henry begins with $200 and deposits $25 each month. His brother begins with
DiKsa [7]

Answer:

5 months

Step-by-step explanation:

Henry

200+25+25+25+25+25= 325

Brother

150+35+35+35+35+35=325

3 0
3 years ago
Elaine had 5/8 of a pizza left after lunch. She told 5 of her friends that they could share the rest. What fraction of the pizza
Oduvanchick [21]

Answer:

1/8

Step-by-step explanation:

7 0
3 years ago
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Find the slope of the line that passes through the points (-6,6)and(4,-2).
iragen [17]

Answer:

-4/5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If you invest $1250 in an account that earns 6% compounded quarterly, the amount you will have in the account, S(x), after x yea
kirza4 [7]

well, we know what S(x) is, since it's given, so, after , is simply a matter of x = 2,4,6,8,10, so

\begin{array}{llrll} S(2)=1250(1.015)^{4(2)}&\implies &S(2)\approx 1408.12\\ S(4)=1250(1.015)^{4(4)}&\implies &S(4)\approx 1586.23\\ S(6)=1250(1.015)^{4(6)}&\implies &S(6)\approx 1786.88\\ S(8)=1250(1.015)^{4(8)}&\implies &S(8)\approx 2012.91\\ S(10)=1250(1.015)^{4(10)}&\implies &S(10)\approx 2267.52 \end{array}

well, the tell-tale for Growth or Decay is the parenthesized term, namely the "rate of change", if it's greater than 1 is Growth, if it's less than 1 is Decay, in this case is greater than 1, is 1.015, so well, you know.

from 4 years to 10 years, how much more in interest?

well, first off let's take off the Principal of 1250 to see how much is in interest, hmmm for 4 years that'll be <u>336.23</u> and for 10 years that'll be <u>1017.52</u>, so their difference is about 681.29.

what does the S-intercept mean?  Check the picture below.

when the graph touches the y-axis or S-axis if you wish, the time is 0 and the amount is, well, you can see it there.

3 0
2 years ago
paul a dentist determined that the number of cavities that develops in his patients mouth each year varies inversely to the numb
alex41 [277]

Answer:

Lori will have 1 cavity if she brushed for 120\ sec each night.

Step-by-step explanation:

As the question suggests cavities developed varies inversely with the number of seconds spent on brushing.

Lets take the terms as c=\frac{k}{t},where k is the constant of proportionality.

And

c = Number of cavities developed each year

t = Number of minutes spent on brushing per night

Now we will plugging the values of the given terms and find the value of k,for this we can re-arrange it as...k=c\times( t)

t=30\ sec=\frac{30}{60} =0.5\ min and c=4

k=0.5\times 4=2

Now as Lori will increase her brushing time so as the cavity will decrease.

So for this we have been given,t=120\ sec=\frac{120}{60} = 2\ min and k=2.

As c=\frac{k}{t} =\frac{2}{2} =1

So as per Paul's observation if Lori brushed for 2\ mins at night she will have 1 cavity on that year.

7 0
3 years ago
Read 2 more answers
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