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SSSSS [86.1K]
3 years ago
8

Find the value of the expression 3x plus 4y when x= 4 and y= 5

Mathematics
2 answers:
Alisiya [41]3 years ago
8 0

Answer:

32

Step-by-step explanation:

Stella [2.4K]3 years ago
6 0

Answer:

32

Step-by-step explanation:

Substitute x and y for their numbers.

(3*4)+(4*5)

12+20

32

please thank me, rate, and mark as brainliest if you like!

;)

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Step-by-step explanation:

By multiplying your starting value, in this case $550, and your (simple) interest, 6%, or by 1.06 as 0.06 being your interest value and the 1.00 accommodating your starting value you will multiply, $550 × 1.06 = $583. Repeat these steps for however many years you are account for, in this case, five years. Giving you a total of $715

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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>

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<u />

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

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<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

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pickupchik [31]

Answer:

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