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3 years ago

5

Shia wants to save the same amount of money each month. In 4 month, she wants savings of at least 200. How much money must Shia

save each month to achieve her goal? answer

2 answers:

Ilia_Sergeevich [38]3 years ago

6 0

Answer: $50 per month

Step-by-step explanation: Take 400 and divide it by the amount of months.

Viefleur [7K]3 years ago

6 0

50$per month if she saved $50 every month for 4 months she would save $50

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Answer:

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Explanation (Concepts) :

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Workouts:

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=================

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==================

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2 years ago

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snow_lady [41]

Answer:

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Step-by-step explanation:

because when we substitute them...it make sense.

<em>the</em><em> </em><em>rule</em><em> </em><em>is</em><em> </em><em>an</em><em>=</em><em>3</em><em>n</em><em>+</em><em>1</em><em>1</em>

<em>lets</em><em> </em><em>substitute</em><em>:</em>

<em>(</em><em>i</em><em>)</em><em>.</em><em>1</em><em>4</em><em>=</em><em>3</em><em>(</em><em>1</em><em>)</em><em>+</em><em>1</em><em>1</em>

<em>(</em><em>ii</em><em>)</em><em>1</em><em>7</em><em>=</em><em>3</em><em>(</em><em>2</em><em>)</em><em>+</em><em>1</em><em>1</em>

<em>(</em><em>iii</em><em>)</em><em>2</em><em>0</em><em>=</em><em>3</em><em>(</em><em>3</em><em>)</em><em>+</em><em>1</em><em>1</em>

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<em>I hope it will help u</em><em>.</em><em>.</em><em>.</em><em>.</em>

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2 years ago

Suppose you pick two cards from a deck of 52 playing cards. What is the probability that they are both queens?

photoshop1234 [79]

Answer:

0.45% probability that they are both queens.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes

The combinations formula is important in this problem:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Desired outcomes

You want 2 queens. Four cards are queens. I am going to call then A,B,C,D. A and B is the same outcome as B and A. That is, the order is not important, so this is why we use the combinations formula.

The number of desired outcomes is a combinations of 2 cards from a set of 4(queens). So

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Total outcomes

Combinations of 2 from a set of 52(number of playing cards). So

$T = C_{52,2} = \frac{52!}{2!(52-2)!} = 1326$

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0.45% probability that they are both queens.

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