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Gennadij [26K]
3 years ago
14

Suppose you invest $67 a month in an annuity that earns a 3.1% APR,

Mathematics
2 answers:
Mumz [18]3 years ago
5 0

Answer:

$3419.20

Step-by-step explanation:

Ap3x, just took the test.

arlik [135]3 years ago
4 0

Answer: A

Step-by-step explanation:

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Students in a school are asked to pick either football, rugby or tennis to play in their lessons. the number of students who pic
Blizzard [7]

Answer: 36 Students picked football

Step-by-step explanation: When calculating values by the use of given ratios, it is important to note that the ratio of one value as compared to the other is the same as the actual value compared to the other.

The ratio of students who picked rugby and tennis is given as ratio 9 : 19, which means for every 28 students (that was derived by 9 + 19), 9 would choose rugby and 19 would choose tennis. However, we have been given the total number of students who chose tennis as 57, hence the value 57 would now replace the ratio of 19. However the total number of those who chose rugby is not yet known, so we can write out an equation as shown below;

19/28 = t/x

Where t is the number of tennis players as represented by ratio 19 and x is the total number of both tennis and rugby players as represented by 28.

By cross multiplication we now have

19 * x = 28 * 57

x = (28 * 57)/19

x = 1596/19

x = 84

If a total of 84 students play both rugby and tennis, and 57 of them play only tennis, then the number of rugby players is derived as

r = x - t

r = 84 - 57

r = 27

Having determined that 27 students played rugby, and the ratio of football to rugby players is given as 4 : 3, the relationship can be mathematically represented as follows;

3/7 = r/y

Where r is the total number of rugby players and y is the total number of both football and rugby players

3/7 = 27/y

By cross multiplication you now have

3 * y = 7 * 27

y = (7 * 27)/3

y = 189/3

y = 63

If the total number of football and rugby players is 63 and out of these 27 play rugby only, then the number of football players is derived as;

f = y - r

f = 63 - 27

f = 36

Therefore the number of students who chose football is 36

3 0
3 years ago
Find the total surface area of the net below.
lana [24]

Answer:

78,4 cm^2

Step-by-step explanation:

I did this in my head so i could be wrong but im pretty certain this is right

7 0
2 years ago
PLEASE HURRY TEST
Sophie [7]
It’s going to be C!!
4 0
2 years ago
What is the slope of a line parallel to the line whose equation is 3x−2y=18. Fully reduce your answer.
choli [55]

Answer:

3/2x

Step-by-step explanation:

-2y = -3x+18

y = 3/2x-9

7 0
3 years ago
Read 2 more answers
True or false the values [x] and [-x] are always equal
RoseWind [281]

Answer:

If you mean |x| and |-x| yes they are equal.

Step-by-step explanation:

Brackets do not exactly specify the meaning of absolute value.

On most keyboards, above the enter button on the main keyboard part (not the keypad one) there is a back slash symbol \ and if you hold shift, there might be another symbol | which more accurately represents absolute value,

If you aren't talking about the absolute value, then no.

4 0
3 years ago
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