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2 years ago

Write this ratio as a fraction in simplest form without any units. 5 weeks to 10 days

1 answer:

6 0

1/2. If you take out the units you're left with 5 to 10 or 5/10. 5 is half of 10 therefore the simplest form would be 1/2.

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A spring has natural length 20 cm. Compare the work W1 done in stretching the spring from 20 cm to 30 cm with the work W2 done i

sashaice [31]

Answer:

W1 = W2 = 50k Joules (assuming W1 and W2 have the same force constant, k)

W1 - W2 = 0

Step-by-step explanation:

Work done in stretching a spring is given by 1/2ke^2

Where, k is force constant and e is extension

e1 = 30cm - 20cm = 10cm

W1 = 1/2k(e1)^2 = 1/2×k×10^2 = 50k Joules

e2 = 40cm - 30cm = 10cm

W2 = 1/2k(e2)^2 = 1/2×k×10^2 = 50k Joules

W1 = W2 = 50k Joules provided W1 and W2 have equal force constant

Therefore, W1 - W2 = 0

7 0

3 years ago

If one pound = rupees 135 and dollar =105 rupees then convert the pound 63 into Dollar

enot [183]

Answer:

Step-by-step explanation:

£63 = 135 × 63

= Rs . 8505

Rs . 8505 = 8505 / 105

= $81

6 0

2 years ago

Veronica's mom left 3/4 of a cake on the table. Her brothers ate 1/2 of it. What fraction of the cake did they eat?

Brums [2.3K]

Answer: 3/8

Step-by-step explanation: Multiply 3/4 and 1/2, or $\frac{3}{4} *\frac{1}{2} \\$ , which equals 3/8

7 0

3 years ago

Which point on the number line best represents√57?

Cerrena [4.2K]

Answer:

Step-by-step explanation:

$\sqrt{57} =\sqrt{3 * 19}$

Since this cannot be further simplified, we will calculate the square root of 57 with our calculators.

We find that the square root of 57 is 7.549834435, and since the tenths place is a 5, we will round up to the next whole number. So, the point on the number line that best represents the square root of 57 is 8.

Hope this helps!

7 0

3 years ago

If a polygon has four right angles, then it is either a square or a rectangle.

morpeh [17]

B. A polygon is either a square or a rectangle

5 0

3 years ago