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ollegr [7]
2 years ago
12

what is the probability There are 12 face cards in a standard 52-card deck. If a card is selected at random from a well-shuffled

deck, find the probability that it is not a face card. The answer should be a decimal or percent.
Mathematics
1 answer:
Ludmilka [50]2 years ago
3 0

Answer:

There are 52 cards in a deck… 12 of these are Face Cards (the J - Q - K of all four suits).

The probability of getting one of these is therefore 12 out of 52 — or 12/52, which is 23%. Not quite a 1 out of 4 chance, but close.

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Frida started to solve the equation 3x = 36 by adding 3 to both sides. Explain why Friday’s method will not solve the equation.
vlada-n [284]

Explanation:

The equation is 3x=36

Frida started to solve the equation by adding 3 to both sides.

Thus, the equation becomes,

3x+3=39

This will not solve the equation.

To solve the equation 3x=36, we need to divide both sides of the equation by 3.

Thus, the equation becomes,

\frac{3x}{3} =\frac{36}{3}

Dividing we get,

x=12

Hence, Frida cannot solve the equation by adding 3 to both sides of the equation. To solve the equation, Frida needs to divide both sides of the equation by 3.

Thus, to solve the equation 3x=36 Frida needs to divide both sides of the equation by 3.

7 0
4 years ago
You sell small and large candles at a craft fair. You collect $144 selling a total of 28 candles. How many of each type of candl
myrzilka [38]

Answer:

The number of

Small candles = x = 12 candles

Large candles = y = 16 candles

Step-by-step explanation:

You sell small and large candles at a craft fair. You collect $144 selling a total of 28 candles. How many of each type of candle did you sell? A photo shows a small candle labeled 4 dollars each and a large candle labeled 6 dollars each.

Let the number of

Small candles = x

Large candles = y

Our system of equations is:

x + y = 28 .......... Equation 1

x = 28 - y

A photo shows a small candle labeled 4 dollars each and a large candle labeled 6 dollars each.

4x + 6y = 144......... Equation 2

Substitute 28 - y for x in Equation 2

4(28 - y) + 6y = 144

112 - 4y + 6y = 144

- 4y + 6y = 144 - 112

2y = 32

y = 32/2

y = 16 candles

x = 28 - y

x = 28 - 16

x = 12 candles

Therefore:

The number of

Small candles = x = 12 candles

Large candles = y = 16 candles

8 0
3 years ago
Compare 8.04 and 8.40
Nimfa-mama [501]

Answer:

8.04 is 0.36 less then 8.40

3 0
3 years ago
Read 2 more answers
1 If the population of a town increases by 280 people per year, then the growth is LINEAR (or constant). If the population in 20
Stella [2.4K]

The population in the year 2023 is 120,780.

The growth is linear hence, the equation of the growth is
y=ax+b where b represents the initial population and a is the number of people growing yearly.

So, according to the question statement, we have that

y=280x+b where x is the number of years past and y is the population in the xth year.

According to the given problem population in 2022 will be 120,500.

Suppose that the initial population is taken at 2000.

Hence, 120,500=280×(2022-2000)+b

⇒b=120,500-280×22

⇒b=120,500-6,160

    =114,340

So, the Linear equation becomes

y=280x+114,340

⇒y=280×(2023-2000)+114,340

⇒y=120,780

Hence, the population in the year 2023 is 120,780.

Learn more about linear equations here-

brainly.com/question/11897796

#SPJ10

7 0
2 years ago
The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. the prob
8090 [49]
The answer is 245.23 pounds
4 0
4 years ago
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