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1 year ago

62.54 ÷ 0.025? can't figure it out :/

2 answers:

7 0

Answer:

Step-by-step explanation:

Well first you have to see how many times 0.025 goes into 62.54. You can find that out by multiplying 0.025 by a number you will think is equal to 62.54. Then if the answer is too big try to decrease the number you multiplied it with. If its too small try to increase the number you multiplied it with.

(THE ANSWER IS 2501.6)

harkovskaia [24]1 year ago

7 0

Answer:

2501.6

Step-by-step explanation:

6254/100÷25/1000

6254/100×1000/25

6254000/2500

=2501.6

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What is the reciprocal of 3^-2 ?

weqwewe [10]

Answer:

1/3^2

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3 years ago

If sec theta = - √30 / 3, find cos theta. if sin(-theta) = -0.97, find cos (π/2 - theta).

Cloud [144]

Step-by-step explanation:

$\cos \theta = \frac{1}{ \sec\theta } = - \frac{3}{ \sqrt{30} } = - \frac{3 \sqrt{30} }{30} = - \frac{ \sqrt{30} }{10}$

$\cos( \frac{\pi}{2} - \theta )= \cos \frac{\pi}{2} \cos \theta + \sin \frac{\pi}{2} \sin \theta$

Note that

$\sin( - \theta) = - \sin \theta$

$\cos \frac{\pi}{2} = 0 \: \: \: \: \: \sin \frac{\pi}{2} = 1$

Therefore,

$\cos( \frac{\pi}{2} - \theta ) = 0.97$

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2 years ago

A person spends 1/5 of his salary on rent, 3/7 on food, 1/3 on other expenses and saves the rest. If she earns $21,000 per month

sukhopar [10]

Answer:

$9600 saving / year

Step-by-step explanation:

1/5 of $21000 = 21000 / 5 = $4200 / month on rent

3/7 of $21000 = (21000 / 7) x 3 = $9000 / month on food (shocking right :) food is expensive)

1/3 of $21000 = 21000 / 3 = $7000 on other expenses / month

total savings/month = salary/month - rent/month - food/month - other expenses/month

total savings/month = 21000 - 4200 - 9000 - 7000

total savings/month = $800

BUT the question asks for savings per year. therefore, we must multiply the savings per month by total months per year (12)

800 x 12 = $9600

the person's total savings per year, with a salary of $21000 per month, is equal to $9600 per year

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7 months ago

Please help with Math :) Thanks!

algol [13]

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2 years ago

State whether the value for the unknown makes inequalities 74/e < 12

Nezavi [6.7K]

Answer:

Yes

Step-by-step explanation:

74/e < 12

Since e is in the denominator, e can not be 0.

If e > 0,

74/e < 12

74 < 12e

e > 74/12

e < 37/6

If e < 0,

(When you multiply by e, which is a negative value, inequality reverses)

74 > 12e

e < 74/12

e < 37/6

6 0

2 years ago

Read 2 more answers

62.54 ÷ 0.025? can't figure it out :/​

62.54 ÷ 0.025? can't figure it out :/