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Ronch [10]
4 years ago
11

I dont understand it and I don't get what it's asking for

Mathematics
1 answer:
PSYCHO15rus [73]4 years ago
5 0
1/5 = 2/10
1/2 = 5/10

1/10 + 2/10 + 5/10 = 8/10.

8/10 = 4/5.

4/5 is your final answer.
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20 is 40% of what number
pantera1 [17]

it depends what the number is

6 0
3 years ago
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When a decimal is written in word form, what indicates whether the number can be written as a mixed number or as a fraction less
vekshin1

9514 1404 393

Answer:

  "and"

Step-by-step explanation:

Properly written, the word "and" separates the integer portion from the fractional portion of the number. If there is no "and", then there is no integer portion, so the number is a fraction less than 1.

<u>Examples</u>:

one <em>and</em> three tenths = 1 3/10

thirty-one thousandths = 31/1000

8 0
3 years ago
A chemist is using 381 milliliters of a solution of acid and water. If 17.4% of the solution is acid, how many milliliters of ac
Romashka-Z-Leto [24]

Answer:

  66.3 mL

Step-by-step explanation:

  17.4% of 381 mL is ...

  0.174 × 381 mL = 66.3 mL

7 0
4 years ago
If two cards are drawn out of a deck WITH replacement, what's the probability that you draw a red card and then an Ace? ** Remem
katen-ka-za [31]

Answer:

Step-by-step explanation:

The probability of drawing a red card is 1/2, since half of the cards in a deck are red. The probability of drawing an ace from a deck is 1/13, since there is an equal chance to pick any of the 13 numbers.

P(red card and ace)= P(red card)*P(ace)=1/2 * 1/13=1/26

4 0
3 years ago
Simplify the expression (4x - 3)(x + 5).
Drupady [299]
(4x-3)(x+5)
= 4x^2+20x-3x-15
= 4x^2+ 17x -15.

The final answer is 4x^2+ 17x -15~
3 0
3 years ago
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