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3 years ago

What is 30 minutes as a percentage of an hour?

Mathematics

1 answer:

ladessa [460]3 years ago

8 0

30 minutes is half of an hour so it would be 50%.

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Niech ktoś pomoże !<br> a)5 2\7 +1 3\7 -1\7=<br> b)4 5\9 -2 4\9 +3 2\9=<br> c)2 2\3 -(1 4\9 +2 3\9=

kvv77 [185]

A) 6 4/7

B) 5 3/9

C) 6 6/3

5 0

3 years ago

Which of these might describe expenses for a student? Select all that apply.

lubasha [3.4K]

Answer:

Foods and shoes thats it

Step-by-step explanation:

8 0

3 years ago

Help. also explain :) please

Anuta_ua [19.1K]

The answer is £140

First you find 20% of 1200 (which is basically 20 times 12) which gives you £240.

You add £240 to £1200 which is £1440

Then you take £300 off £1440 since he already paid the deposit.

That leaves you with £1140

1140 divided by 10 is 114

5 0

3 years ago

Find the side length of the right triangle missing a=6,b=?,c=10

Makovka662 [10]

B=8. A^2+B^2=C^2. This means 6to the second power plus B to the second power equals10 to the second power. 36+b^2=100. B to the second power equals 64. Square root of 64 is 8, so B equals 8

3 0

3 years ago

Onna received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.09 per pound. After buying the

mario62 [17]

Answer:

She bought 5 pounds

Step-by-step explanation:

Original worth of gift card = $80

Balance on card after purchase = $39.55

Amount used for purchase = 80 - 39.55 = $40.45

Next let us determine how many pounds of coffee she bought as follows:

Price of coffee = $8.09 per pound

amount spent on coffee = $40.45

Lett the number of pounds of coffee she bought be x

$ 8.09 = 1 pound

$40.45 = x pounds

since $8.09 = 1 pound

$\$\ 1 = \frac{1}{8.09}\ pounds$

$\$\ 40.45 = 40.45 \times\ \frac{1}{8.09} \\= \frac{40.45}{8.09}\\ = 5\ pounds$

5 0

3 years ago