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3 years ago

Math can anyone help me

Mathematics

1 answer:

dangina [55]3 years ago

6 0

Answer:

C. $\frac{4}{10}$ and $\frac{10}{25}$

Step-by-step explanation:

The proportion between these fractions is true. Multiply 4/10 (numerator and denominator) by 2.5 to get 10/25. This is the only correct option.

Hope it helps!

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If you add or subtract two rational numbers, is the result sometimes, always, or never rational?

lawyer [7]

Answer:

Always

Step-by-step explanation:

8 - 9 = -1

1/3 - 1/6 = 1/6 are 2 examples

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3 years ago

The cost of 12 pencils is rupees 37 4 by 5 find the cost of one pencil

Svetllana [295]

Answer:

Cost of 12 pencils = 37 4/5 = 189/5

Cost of 1 pencil = 189/5 ÷ 12

= 189/5 x 1/12 = 189/60 = 63/20 = 3 3/20

So required answer is 3 3/20

Hope This Helps You!

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3 years ago

If 2×2=4 and 4×4=8. What is 8×8?

Oxana [17]

Answer:

Step-by-step explanation:

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3 years ago

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On a coordinate plane, a solid straight line has a positive slope and goes through (0, negative 1.3) and (3, negative 0.3). Ever

blsea [12.9K]

Answer:

Step-by-step explanation:

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3 years ago

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How much of the sphere do you have to paint red so that no matter ow you put a cube in it, some corner touches red?

Triss [41]

Explanation:

To achive that you have to piant a ring in red, which will have its big diameter equal to the sphere diameter and its small diameter equal to the cube diagonal.

The diagonal of the cube can be calculated using Pithagoras:

$D^2=L^2+L^2$

Where D is the diagonal and L is the side of the cube

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3 years ago