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3 years ago

What’s 3 times 72 in expanded Form?

2 answers:

5 0

I believe that you would take 3 times 70 and get 210. Then take 3 times 2 and get 6. Then you add up the numbers and you get 216. Now write that number out in expanded form. 200+10+6 = 216. Hope this helped!

-TTL

Dominik [7]3 years ago

4 0

200+ 10 + 6= 216

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Three cards are drawn from a standard deck of 52 cards without replacement. Find the probability that the first card is an ace,

MrRissso [65]

Answer:

$4.82\cdot 10^{-4}$

Step-by-step explanation:

In a deck of cart, we have:

a = 4 (aces)

t = 4 (three)

j = 4 (jacks)

And the total number of cards in the deck is

n = 52

So, the probability of drawing an ace as first cart is:

$p(a)=\frac{a}{n}=\frac{4}{52}=\frac{1}{13}=0.0769$

At the second drawing, the ace is not replaced within the deck. So the number of cards left in the deck is

$n-1=51$

Therefore, the probability of drawing a three at the 2nd draw is

$p(t)=\frac{t}{n-1}=\frac{4}{51}=0.0784$

Then, at the third draw, the previous 2 cards are not replaced, so there are now

$n-2=50$

cards in the deck. So, the probability of drawing a jack is

$p(j)=\frac{j}{n-2}=\frac{4}{50}=0.08$

Therefore, the total probability of drawing an ace, a three and then a jack is:

$p(atj)=p(a)\cdot p(j) \cdot p(t)=0.0769\cdot 0.0784 \cdot 0.08 =4.82\cdot 10^{-4}$

4 0

3 years ago

Each table in the cafeteria can seat 10 students.how many tables are needed to seat 40 students

Vitek1552 [10]

Hi there!

To solve this problem, we need to divide the total amount of tables by the amount of students:

40 / 10 = 4

So, we need 4 tables to seat 40 students.

Hope this helps!

3 0

3 years ago

Read 2 more answers

If it rained on 3 days out of 20 days on what percent of the days did it rain

Andrei [34K]

It rained on 15% of those days

3 0

3 years ago

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6. A government's economic role is complicated by the fact that

user100 [1]

Answer:B

Step-by-step explanation:

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3 years ago

The graph of a quadratic function does not cross the x-axis, but crosses the y-axis in one place.

natulia [17]

Answer: D

Step-by-step explanation:

A quadratic function has a degree of 2 so there will be two roots. The statement says the function does NOT CROSS THE X-AXIS so there are no real roots. That means both roots must be imaginary (complex).

5 0

3 years ago