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never [62]
3 years ago
7

Can someone help with this please?

Mathematics
1 answer:
Tanzania [10]3 years ago
5 0

Answer:

n=5 and it's output is -13

Step-by-step explanation:

By inspection, the inputs increase by +1 and the outputs decrease by 2

Thus ,n=4+1=5 and it's output is -11-2=-13

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Solve the following system of equations.express your answer as an ordered pair in the format (a,b) with no spaces between the nu
frosja888 [35]

Answer: (3,2)

Step-by-step explanation:

For this set of system of equations, let's use elimination method to find x and y. Let's eliminate y first. In order to do so, the y values have to be the same. Therefore, you multiply the top equation by 3 and the bottom equation by 4.

9x+12y=51

-16x-12y=-72

Now, we can add the 2 equations together for the y to cancel out.

-7x=-21

x=3

Since we know x, we can plug it into any of the equations to find y.

3(3)+4y=17

9+4y=17

4y=8

y=2

With out x and y value, we can put them into an ordered pair. (3,2)

4 0
3 years ago
in the following ordinary annuity interest is compounded with each payment and the payment is made at the end of the compounding
stealth61 [152]

Answer: $59313.58

Step-by-step explanation:

We know that formula we use to find the accumulated amount of the annuity ( ordinary annuity interest is compounded ) is given by :-

FV=A(\frac{(1+\frac{r}{m})^{mt})-1}{\frac{r}{m}}), where A is the annuity payment deposit, r is annual interest rate , t is time in years and n is number of periods.

Given : Annuity payment deposit :A= $4500

rate of interest :r= 6%=0.06

No. of periods : m= 1   [∵ its annual]

Time : t= 10 years

Now we get,

FV=(4500)(\frac{(1+\frac{0.06}{1})^{1\times10})-1}{\frac{0.06}{1}})\\\\\Rightarrow\ FV=(4500)(\frac{(1.06)^{10})-1}{0.06})\\\\\Rightarrow\ FV=(4500)(\frac{0.79084769654}{0.06})\\\\\Rightarrow\ FV=(4500)(13.1807949423)\\\\\Rightarrow\ FV=59313.5772407\approx59313.58 \ \

∴ the accumulated amount of the annuity= $59313.58

4 0
3 years ago
Lela and Pepe are playing a video game. The ratio of Lela’s game score to Pepe's score is 2 : 5. Then Lela completes a quest and
Fed [463]

Answer:        Lela's original score was 16.

Step-by-step explanation:

Alright lets get started.

Suppose Lela score was L.

Suppose Pepe score was  P.

The ratio of Lela’s game score to Pepe's score is 2:5

So the equation will be

\frac{L}{P} = \frac{2}{5}

Cross multiplying

5\times L=2\times P

P=\frac{5\times L}{2}.................equation 1

Then Lela completes a quest and scores 12 bonus points. The new ratio becomes 7:10

\frac{L+12}{P} =\frac{7}{10}

Cross multiplying

10(L+12)=7P

Plugging value of P from equation 1

10(L+12)= 7\times\frac{5L}{2}

20L+240=35L

15L=240

L=16

Hence the score of Leela originally was 16.                Answer

5 0
3 years ago
Which of the following phases are expressions
valentinak56 [21]
Attach a picture of the question please.
4 0
3 years ago
1. A pair of designer sneakers was purchased for $120. Since they were purchased, their price has increased by 15%. What is the
SCORPION-xisa [38]

Answer:

138$

Step-by-step explanation:

120$. Increased by 15%.

Since 15% equals to 0.15, you multiply 0.15 by the price.

0.15*120=18.

Then you ADD the 15%.

120+18=138

The new price is now 138$

4 0
3 years ago
Read 2 more answers
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