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cestrela7 [59]
3 years ago
9

Please help if you can. Show the steps if you do.

Mathematics
1 answer:
olga_2 [115]3 years ago
5 0

Answer:

1. 6.13

2. 0.57

Step-by-step explanation:

1. 7 x 4 = 28

28 / 8 = 3.5

3.5 x 7 = 24.5 / 4 = 6.13

s = 6.13

2. 2 x 3 = 6

6 / 7 = 0.85

0.85 x 2 = 1.71

1.71 / 3 = 0.57

s = 0.57

Sorry if I get most of them wrong

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chubhunter [2.5K]

Answer:

=45 b/c all we have to do is subtract the higher number to the lowest number.

5 0
3 years ago
Q1: Payments of $ 670 are being made at the end of each month for 5 years at an interest of 8% compounded monthly. Calculate the
zhuklara [117]

Answer:

$50,281.04

Step-by-step explanation:

5 years is equivalent to (5 × 12) = 60 months

Now, the first payment $670 is compounded for 60 months at the rate of \frac{8}{12} = 0.667% monthly interest.

So, it will become 670(1 + \frac{0.667}{100})^{60} = 670(1.0067)^{60}.

Similarly the second payment of $670 will become 670(1.0067)^{59}

Therefore, in this way after 60 months i.e. 5 years the total sum will be

= 670 + 670(1.0067)^{1} + 670(1.0067)^{2} + 670(1.0067)^{3} + ........ + 670(1.0067)^{59} + 670(1.0067)^{60}

= 670[1 + (1.0067) + (1.0067)^{2} + (1.0067)^{3} + ....... + (1.0067)^{59} + (1.0067)^{60} ]

= 670[1 \times \frac{(1.0067)^{61} - 1 }{1.0067 - 1} ]

= $50,281.04 (Answer)

{Since, the sum of the G.P. series 1 + r + r^{2} + r^{3} + .......... + r^{n} = 1 \times \frac{r^{n + 1} -1}{r - 1} }

3 0
3 years ago
Read 2 more answers
EN LA FRUTERIA "LA CANASTA" SE ANUNCIA EL KG DE NARANJAS A $13.50, ¿Cuánto PAGARA DON JOSE POR COMPRAR 2.6KG? Y SI A DOÑA PAULA
ladessa [460]

Answer:

hola soy dora

Step-by-step explanation:

soy stan kim namjoon

7 0
2 years ago
A candy manufacturer makes two types of special candy, say A and B. Candy A consists of equal parts of dark chocolate and carame
Sphinxa [80]
If we let x as candy A
y as candy B
a as dark chocolate in candy a
b as dark chocolate in candy b
c as caramel
d as walnut
P as profit
we have the equations:
a + c = x
2b + d = y
a + 2b ≤ 360
c ≤ 430
d ≤ 210
P = 285x + 260y

This is an optimization problem which involves linear programming. It can be solved by graphical method or by algebraic solution.
P = 285(a + c) + 260(2b +d)
If we assume a = b
Then a = 120, 2b = 240
P = 285(120 + 120) + 260(240 + 120)
P = 162000
candy A should be = 240
candy B should be = 360
6 0
3 years ago
Which of the following is closest to 1/2: 9/20, 99/ 200, 26/50, 51/100, 502/ 1000
STatiana [176]
502/1000 is closest. Easiest way to determine this is to use a calculator, convert all to decimals, and compare.
3 0
3 years ago
Read 2 more answers
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