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rusak2 [61]
3 years ago
10

What does this problem equal

Mathematics
1 answer:
Feliz [49]3 years ago
7 0
Y= 2/5 & x= 4/5

Hope this helps!
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6. What number can be added to -4 to get a sum of 0?<br> a) -4<br> b) 0<br> c) %<br> d) 4
Alika [10]

-4 + x = 0

Add 4 to both sides:

x = 4

The answer is d) 4

6 0
2 years ago
Read 2 more answers
20 business cards are placed in a hat, 10 belong to women, 10 belong yo men If 2 cards are drawn at once. what's the probability
erik [133]

Answer:

First choice:

               \large\boxed{\large\boxed{5/19}}

Explanation:

<em>The probability that the first is a man's card and the second, a woman's card</em> is calculated as the product of both probabilities, taking into account the fact that the second time the number of cards  in the hat has changed.

In spite of it is said that the cards are drawn at once, since it is stated a specific order for the cards (first is a man's card and the second, a woman's card) you can model the procedure as if the cards were drawn consecutively, instead of at once.

<u>1. Probability that the first is a man's card</u>

  • Number of cards in the hat = 20 (the 20 business card)

  • Number of man's card in the hat: 10

  • Probability = favorable oucomes / possible outcomes = 10/20 = 1/2.

<u />

<u>2. Probability that the second is a woman's card</u>

  • Number of cards in the hat = 19 (there is one less card in the hat)

  • Number of wonan's card in the hat: 10

  • Probability = favorable oucomes / possible outcomes = 10/19.

<u>3. Probability that the first is a man's card and the second, a woman's card</u>

<u />

  • (1/2) × (10/19) = 5/19

That is the first choice.

5 0
3 years ago
Read 2 more answers
Hey need help on these NEED HELP ASAP
GalinKa [24]

Answer:

first one : (7+12+3+4+4+8)*2=76

8 0
3 years ago
A game room has a floor that is 120 feet by 75 feet. A scale drawing of the floor on a grid paper uses a scale of 1 unit:5 feet.
valentinak56 [21]
24 units by 15 units. Divide the original feet by 5 to get the units.
3 0
3 years ago
-2/7 - (-4/3) -1/3 what is the answer
seraphim [82]
You have to first make like terms 

-\frac{2}{7} -(-  \frac{4}{3})-  \frac{1}{3} &#10;
**you want the denominator to be 21 

\frac{-6+28-7}{21} =  \frac{15}{21}= \frac{5}{7}
3 0
3 years ago
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