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3 years ago

8

You roll a six sided die and pull a card from a standard deck of 52 cards what is the probability that you roll a five and draw

a heart

1 answer:

m_a_m_a [10]3 years ago

3 0

Answer:

1/24

Step-by-step explanation:

The probability of the dice landing with a 5 up is 1/6; that of drawing a heart is 13/52, or 1/4.

The joint probability of these two events (events happening simultaneously) is

(1/4)(1/6) = 1/24

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.5 repeating as a fraction in simplest form

andreyandreev [35.5K]

Answer:

5/9

Step-by-step explanation:

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3 years ago

Read 2 more answers

In a continuous series, mean(x) = 80, assumed mean(A) = 60 and<br>EF=40 then find the value of EFd.

Aneli [31]

Using the given information, the value of Σfd is 800

<h3>Calculating mean using Assumed mean </h3>

From the question, we are to determine the value of Σfd

The formula for mean, using the assumed mean method is given by

$\bar x = A + \frac{\sum fd}{\sum f}$

Where $\bar x$ is the mean

A is the assumed mean

From the given information,

$\bar x = 80$

$A = 60$

$\sum f = 40$

Putting the parameters into the equation, we get

$80 = 60 + \frac{\sum fd}{40}$

$80-60 = \frac{\sum fd}{40}$

$20 = \frac{\sum fd}{40}$

$\sum fd = 20 \times 40$

$\sum fd = 800$

Hence, the value of Σfd is 800

Learn more on Mean here: brainly.com/question/20118982

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2 years ago

Use the Distributive Property on 45x-6

Alexandra [31]

Answer:

<h3>180</h3>

Step-by-step explanation:

<h3>45 × -6 = 45 × [10+(-6)]</h3><h3>45 × (10-6)</h3><h3>45 × 4</h3><h3>180</h3>

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3 years ago

What is the solution for the =.

liq [111]

Answer:

solution for n is $\frac{-13}{4}$

Step-by-step explanation:

Given an equation containing one variable n.

The equation is as follows:

$\frac{-5}{2} =\frac{3}{4} +n$

To solve for n we can subtract 3/4 from both the sides

The result is

$\frac{-5}{2} -\frac{3}{4} =n\\Take LCD as 4\\\\frac{-10-3}{4} =n$

Verify:

Substitute the answer in the given equation.

$\frac{-5}{2} =\frac{3}{4} -(\frac{13}{4} )$

Both sides equal thus proving our correctness of answer.

3 0

3 years ago

There are 800 desks at Washington Middle School. The custodial staff at the school plans to inspect 6.5% of the desks every week

Talja [164]

Answer:

208 desks

Step-by-step explanation:

To find out how many desks they will inspect each week, we multiply

800 * 6.5%

800 * .065

52 desks per week

Over a 4 week period, they will inspect

52 desk per week * 4 weeks =

208 desks

7 0

3 years ago