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devlian [24]
3 years ago
12

Cora chose to have her birthday party

Mathematics
1 answer:
kramer3 years ago
6 0

$35, sorry if I’m wrong

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If the are 5 buses and the quatation amount is R8,100 how much will each person pay ​
Nina [5.8K]

Answer:

R1620

Step-by-step explanation:

1620 ×1=1620

1620×2=3240

1620×3=4860

1620×4=6480

1620×5=8100

5 0
3 years ago
At an effective annual interest rate of i > 0, each of the following two sets of payments has present value K: (i) A payment
IgorLugansk [536]

Answer:

The present value of K is, K=251.35

Step-by-step explanation:

Hi

First of all, we need to construct an equation system, so

(1)K=\frac{169}{(1+i)} +\frac{169}{(1+i)^{2}}

(2)K=\frac{225}{(1+i)^{2}} +\frac{225}{(1+i)^{4}}

Then we equalize both of them so we can find i

(3)\frac{169}{(1+i)} +\frac{169}{(1+i)^{2}}=\frac{225}{(1+i)^{2}} +\frac{225}{(1+i)^{4}}

To solve it we can multiply (3)*(1+i)^{4} to obtain (1+i)^{4}*(\frac{169}{(1+i)} +\frac{169}{(1+i)^{2}}=\frac{225}{(1+i)^{2}} +\frac{225}{(1+i)^{4}}), then we have 225(1+i)^{2}+225=169(1+i)^{3}+169(1+i)^{2}.

This leads to a third-grade polynomial 169i^{3}+451i^{2}+395i-112=0, after computing this expression, we find only one real root i=0.2224.

Finally, we replace it in (1) or (2), let's do it in (1) K=\frac{169}{(1+0.2224)} +\frac{169}{(1+0.2224)^{2}}\\\\K=251.35

8 0
3 years ago
How can I change .564 to a percent
nalin [4]

move the decimal point two places to the right and the answer would be 56.4%
4 0
3 years ago
Read 2 more answers
Consider a standard deck of 52 playing cards with 4 suits. If A is the event of drawing a 6 from the deck, and B is the event of
crimeas [40]

Answer: Intersection of A and B = 2

Step-by-step explanation:

Total cards = 52

Let A is the event of drawing a 6 from the deck, and B is the event of drawing a black playing card from the deck.

Total cards having 6 on them = 4

[There are 4 suits of two different colors red and black.]

Total  black playing card =26

Intersection of A and B = Black cards having 6 = 2

hence, Intersection of A and B = 2

8 0
3 years ago
How do you convert 3.16 (6 repeating) to a fraction?
lutik1710 [3]

Suppose x=3.1\overline6. Then 10x=31.\overline6, and 100x=316.\overline6.

Now,

100x-10x=316.\overline6-31.\overline6=316-31

\implies90x=285

\implies x=\dfrac{285}{90}=\boxed{\dfrac{19}6}

5 0
3 years ago
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