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ivann1987 [24]
3 years ago
14

Josh draws a card randomly from a deck, records the suit, returns the card to the deck, and then shuffles the deck. He performs

500 trials. Explain how to use the probability model to predict how many times Josh can expect to draw a card that is a spade.
Mathematics
1 answer:
WITCHER [35]3 years ago
4 0

Answer:

125

Step-by-step explanation:

The probability of getting a spade is 14/56. We multiply 14/56 times 500 that equals 125. I think Josh will get a spade 125 times out of 500.

You might be interested in
Write down how you skip-count by ten from 350 to 240
Mamont248 [21]

Answer: 350,340,330,320,310,300,290,280,270,260,250,240.


Step-by-step explanation:

To solve this exercise you must keep on mind the following information:

1. By definition skip counting is about counting by a number which is not the number 1.

2. Skip counting by ten from 350 to 240 means that you need to subtract 10 to a number to find the other one.

3. Therefore, you must subtract 10 to 350 and then you need to do this over and over again until you get 240.

7 0
2 years ago
Write an equivalent expression for 88 +16x +8 . If x=4,is the solution to both expressions the same.
Firlakuza [10]
You can find an equivalent expression for this by combining like terms.
The terms are 88, 16x, and 8.
The like terms are 88 and 8.
To combine them, add them together.
88 + 8 = 96
The equivalent expression would be 16x + 96.
This means 16x + 96 is the same as <span>88 + 16x + 8.

Since they are equivalent, that means they are equal, or the same.
So no matter what x is, they will both be equal to the same thing, so their solutions will be the same.

Answers:
Equivalent Expression: 16x + 96
Yes, both expressions will have the same solutions if x = 4.

Hope this helps!</span>
5 0
2 years ago
How many apples can I buy if each apple is 2 dollars and I have 280 apples
gogolik [260]

Answer:

140

Step-by-step explanation:

280/2 = 140 apples

8 0
2 years ago
A tube of toothpaste holds 75 ml.
Slav-nsk [51]

Answer:

40 tubes

Step-by-step explanation:

1 liter = 1,000 milliliters

2 liters = 2,000 milliliters

3 liters = 3,000 milliliters

A tube of toothpaste = 75 ml

How many tubes can be filled using 3 litres of toothpaste?

Let

x = number of tubes

x tubes of toothpaste = 3000 ml

x = 3000 ml / 75 ml

x = 40

x = number of tubes = 40 tubes

4 0
3 years ago
Please help!!! I'm super confused with this one, show work so that I can figure out what I did wrong.
givi [52]

Answer: The length of CU is 117 units.


Step-by-step explanation:

Given: ΔWCD≈ΔWUV

We know that if two triangles are similar, then their corresponding sides are proportional.

∴ \frac{WU}{WC}=\frac{WV}{WD}

\frac{36x-1}{26}=\frac{110}{20}\\\Rightarrow\ 36x-1=\frac{11}{2}\times26\\\Rightarrow36x-1=143\\\Rightarrow\ 36x=143+1\\\Rightarrow\ 36x=144\\\Rightarrow\ x=4

∴ WU=36(4)-1=143

Also , WU=WC+CU

⇒CU=WU-WC

⇒CU=143-26=117 units

5 0
3 years ago
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