2 years ago

Find the product 2/5 * 5/6

Mathematics

1 answer:

Oduvanchick [21]2 years ago

7 0

Answer:

1/3

Step-by-step explanation:

It's easier to do multiplications like this if you write the fractions as follows:

2 5

---- * ---- = 2/6 = 1/3 (answer)

5 6

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Mark spent $21 on a magazine and some candy bars. If the magazine cost $5 and each candy bar cost $2, then how many candy bars d

Lana71 [14]

Answer:8 candy bars because 21-5=16/2=8 candy bars.

Step-by-step explanation:

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3 years ago

Read 2 more answers

Write 4.81 x 10^5 in standard form

tia_tia [17]

481,000
this is the answer because standered form is just asking to write the number out instead of notation

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3 years ago

A bag contains 5 red marbles, 8 green marbles, 6 pink marbles, and 11 yellow marbles. what is the probability of randomly choosi

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Answer:

6/19

Step-by-step explanation:

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2 years ago

Which relationships have the same constant of proportionality between yyy and xxx as the equation 3y=27x3y=27x3, y, equals, 27,

Tanya [424]

Answer:

A, B and C

Step-by-step explanation:

In the equation: 3y=27x

Making y the subject of the equation, we have:

$y=\frac{27}{3}x\\y=9x$

The constant of proportionality between y and x is 9.

We want to determine which relationships have the same constant of proportionality 9.

Option A

y=9x

The constant of proportionality is 9.

Option B

2y=18x

Divide both sides by 2 to obtain: y=9x

The constant of proportionality is 9.

Option C

x=3, y=1/3

Substitution into y=kx gives:

1/3=3k

k=9

The constant of proportionality is 9.

Option D

x=6, y=2/3

Substitution into y=kx gives:

2/3=6k

k=2/3*6=4

The constant of proportionality is 4.

Option E

When x=2, y=18

Substitution into y=kx gives:

18=2k

k=9

However, when x=4, y=27

Substitution into y=kx gives:

27=4k

k=6.75

This is not a proportional relation since the constant of proportionality is not equal.

The correct options are A, B and C

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2 years ago

the diameter of the sun is 1.4 * 10^-6 m. where as diameter of earth is 1.2756 *10^-7m. compare the diameter of sun and moon

Nataly_w [17]

1.4*10power-6/1.2756*10 power 7=100

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3 years ago