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e-lub [12.9K]
2 years ago
9

Solve for n: 4n-40=7(-2n+2)

Mathematics
1 answer:
Sidana [21]2 years ago
8 0

Step-by-step explanation:

hope this helped you :)) !!

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Tom has been playing on the school bowling team. In his first year as a freshman, his bowling average was 180. He had been bowli
Advocard [28]

Answer:

0.000025

Step-by-step explanation:

the difference between225-180=45

so the percentage= 45×100/100

=0.45%

as the instruction say=0.45%/180

=0.0045/180

=45/1800000

=0.000025

3 0
3 years ago
Find the measure of <0
TEA [102]

answer is C

hope that helps^^

7 0
3 years ago
Maya made $324 for 18 hours of work. At the same rate how many hours would she have to work to make $126
Illusion [34]

Answer:7

Step-by-step explanation:

324/18 hours = 18$ per hour

126/18$=7 hours

4 0
3 years ago
Read 2 more answers
1.
olchik [2.2K]
To solve this we are going to use the future value of annuity ordinary formula: FV=P[ \frac{(1+ \frac{r}{n} )^{kt} -1}{ \frac{r}{n} } ]
where
FV is the future value
P is the periodic payment
r is the interest rate in decimal form
n is the number of times the interest is compounded per year
k is the number of payments per year
t is the number of years

We know for our problem that P=6200 and t=5. To convert the interest rate to decimal form, we are going to divide the rate by 100%:
r= \frac{6}{100} =0.06
Since the deposit is made semiannually, it is made 2 times per year, so k=2.
Since the type of the annuity is ordinary, payments are made at the end of each period, and we know that we have 2 periods, so n=2.
Lets replace the values in our formula:

FV=P[ \frac{(1+ \frac{r}{n} )^{kt} -1}{ \frac{r}{n} } ]
FV=6200[ \frac{(1+ \frac{0.06}{2} )^{(2)(5)} -1}{ \frac{0.06}{2} } ]
FV=71076.06

We can conclude that the correct answer is <span>$71,076.06</span>
8 0
2 years ago
Zhane picked 28 cherries. 1/7 of them are bad. How many groups of cherries would she have to divide them into to find out how ma
castortr0y [4]
She would have 7 groups of cherries
4 0
3 years ago
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