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3 years ago

A square has side length 4 cm. What is the volume

Mathematics

1 answer:

gayaneshka [121]3 years ago

3 0

Answer:

64 cubic cm

Step-by-step explanation:

i think u mean cube btw for volume but if u meant area its 16 cm squared

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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

Lin Ping earned gross pay of $28,089 last year. Her yearly benefits are 33%

katovenus [111]

Answer:

i dont know

Step-by-step explanation:sorry

3 0

3 years ago

Solve this : <br> 1. <img src="https://tex.z-dn.net/?f=6" id="TexFormula1" title="6" alt="6" align="absmiddle" class="latex-form

leonid [27]

6/2 (2+1)

6/ 2 x (3)

6/6 = 1

5 0

3 years ago

I need question 3 only

dsp73

Answer:

table: 14, 16, 18
equation: P = 2n +12

Step-by-step explanation:

Perimeter values will be ...

rectangles . . . perimeter

1 . . . 14

2 . . . 16

3 . . . 18

The perimeter of a figure is twice the sum of the length and width. Here, the length is a constant 6. The width is n, the number of rectangles. So, the perimeter is ...

P = 2(6 +n) = 12 +2n

Your equation is ...

P = 2n +12 . . . . . . . . perimeter P of figure with n rectangles.

_____

<em>Additional comment</em>

You may be expected to write the equation using y and x for the perimeter and the number of rectangles. That would be ...

y = 2x +12 . . . . . . . . . perimeter y of figure with x rectangles

4 0

3 years ago

A photo is 15 centimeters high and 9 centimeters wide. Mikael wants to proportionately shrink it so its height is 6 centimeters

gtnhenbr [62]

Answer:

6:3.6

Step-by-step explanation:

The hight of the photo=15

so,15=6

15 :- 2.5=6

9 divided by 2.6= 3.6

therefour, the answer will be 6:3.6

8 0

3 years ago