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Zigmanuir [339]
3 years ago
9

21/x=7 the solution

Mathematics
1 answer:
djyliett [7]3 years ago
6 0

Step-by-step explanation:

×/21 x ×/21 = 7× x/21

x= 1/3

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A place kicker in pro football has a 77% probability of making a field goal over 40 yards, and each attempted field goal is inde
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The probability that the team will win the sport is 77%.

Given that an area kicker in pro football incorporates a 77% probability of creating a field goal over 40 yards and every attempt field goal is independent.

Probability is how something is likely to happen. The probability of a happening is calculated by the probability formula by simply dividing the favorable number of outcomes by the overall number of possible outcomes.

So, his team will win the sport if he makes a goal otherwise loses.

Therefore, the Probability that his team will win the sport P[E] =P[making a field goal]

P[E]=77%

Hence, the probability that the team will win the sport when making a field goal is 77%.

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7 0
2 years ago
-2 1/4 divided by -1 1/2
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Answer: 1 1/2

Step-by-step explanation:

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3 years ago
Jenny's bakery sells carrot muffins at 2 dollars each. The electricity to run the over is over 120 dollars per day and the cost
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Answer:

200 muffins

Step-by-step explanation:

The selling price of each muffin = $2

The cost price of each muffin = $1.40

The price of electricity = $120

If the number of muffins that Jenny sells in a day is x, then, Jenny's total cost in a day is:

120 + (1.4 * x) = 120 + 1.4x

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To break even, the total costs in a day must equal to the total earnings. That is;

2x =  120 + 1.4x

Solving this:

2x - 1.4x = 120\\\\\\0.6x = 120\\\\\\x = 120/0.6\\\\\\x = 200

She must sell 200 muffins in a day to break even.

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What is something new you want to do ?
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Answer: I would want to mathematically get better at percentages.


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