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3 years ago

3 plus 27 divided (4 plus 5) 1/3 plus 2/5

Mathematics

2 answers:

Iteru [2.4K]3 years ago

5 0

Answer:

for q4 it 3 but q5 ibk.. .............

pshichka [43]3 years ago

5 0

Answer:

3 + 27 / (4 + 5) = 6

1/3 + 2/5 = 11/15

Step-by-step explanation:

(4 + 5) = 9

27/9 = 3

3 + 3 = 9

1 x 5 = 5

3 x 5 = 15

5/15

2 x 3 = 6

5 x 3 = 15

6/15

5/15 + 6/15 = 11/15

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5 years ago, the age of a man was 7 times the age of his son. After five years, the age of the man will be 3 times the age of hi

Feliz [49]

Answer:

10 years

40 years

Step-by-step explanation:

let present ag e of son=x

5 years ago age of son=x-5

5 years ago age of man=7(x-5)=7x-35

present age of man=7x-35+5=7x-30

after 5 years

age of son=x+5

age of man=7x-30+5=7x-25

also 7x-25=3(x+5)

7x-25=3x+15

7x-3x=15+25

4x=40

x=10

age of son=10 years

age of man=7*10-30=70-30=40 years

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Rina8888 [55]

Answer:

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Step-by-step explanation:

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2 years ago

The equation 7^2=a^2 shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A

jeyben [28]

Answer:

The period of Y increases by a factor of $k^ {3/2}$ with respect to the period of X

Step-by-step explanation:

The equation $T ^ 2 = a ^ 3$ shows the relationship between the orbital period of a planet, T, and the average distance from the planet to the sun, A, in astronomical units, AU. If planet Y is k times the average distance from the sun as planet X, at what factor does the orbital period increase?

For the planet Y:

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For planet X:

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To know the factor of aumeto we compared $T_x$ with $T_y$

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ArbitrLikvidat [17]

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