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sertanlavr [38]

3 years ago

5

Three cards are chosen from a standard deck of 52 playing cards with replacement what is the orobsbility every card will be a he

art

1 answer:

Ne4ueva [31]3 years ago

7 0

1/4 x 1/4 x 1/4 = 1/64

There is a 1/64 chance that they will all be hearts.

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Find the circumference of a circle that has an area of 452.16 square meters. (Use 3.1416 as the value of π.)

laila [671]

$\bf \textit{area of a circle}\\\\
A=\pi r^2\quad 
\begin{cases}
r=radius\\
-----\\
A=452.16
\end{cases}\implies 452.16=\pi r^2\implies \cfrac{452.16}{\pi }=r^2
\\\\\\
\boxed{\sqrt{\cfrac{452.16}{\pi }}=r}\\\\
-------------------------------\\\\
\textit{circumference of a circle}\\\\
C=2\pi r\qquad \qquad \implies C=2\pi \left( \boxed{\sqrt{\cfrac{452.16}{\pi }}} \right)$

so, is just that product, recall to use "<span>3.1416 as the value of π".</span>

7 0

3 years ago

I need help please help me

oksian1 [2.3K]

Answer:

d=2

Step-by-step explanation:

6 0

3 years ago

What’s the vertex of the graph of the function y=x^2-8x+12

myrzilka [38]

Answer:

The vertex is 4

6 0

2 years ago

Multiple Choice

Zigmanuir [339]

Answer:

the slope is POSITIVE (answer A)

Step-by-step explanation:

The line goes through: (-1, -2) and ( 2, 1)

Then the slope can be calculated as:

slope = (y2 - y1) / (x2 - x1)

in our case:

slope = (1 - -2) / (2 - -1) = (1 + 2) / (2 + 1) = 3 / 3 = 1

Therefore, the slope is POSITIVE (answer A)

8 0

2 years ago

Read 2 more answers

Evaluate when x = 2 and y = 5:<br> 2 + (12 - 5x): 2g

Lemur [1.5K]

Just substitute x = 2 and y = 5 into the equation wherever you see x and y.

2 + (12 - 5x) · 2y

2 + (12 - 5(2)) · 2(5)

2 + (2) · 10

4 · 10

40, is the answer which should be the first box.

8 0

3 years ago