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Lena [83]
3 years ago
7

From a standard deck of cards, what is the probability that you choose a red card and then choose a 3 assuming you replaced the

first card? A)1/52 B)3/104 C)1/26 D)15/26
Mathematics
2 answers:
Andru [333]3 years ago
4 0

Answer:

C.1/26

Step-by-step explanation:

USATESTPREP

Hunter-Best [27]3 years ago
3 0
A standard deck of cards has 52 cards. Half of the deck has red cards and half has black cards. So the first probability would be 26/52, or 1/2 (simplified, it's half the deck).

Then you put the card back and choose a 3. There are 4 cards with the number 3 in the deck. So it's 4/52.

Then you multiply both the probabilities
26/52 x 4/52 = \frac{1}{2}  x  \frac{1}{13} = 1/26
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Which equation represents this line in point-slope form?
MaRussiya [10]
I think it is a im not sure
7 0
3 years ago
the measure of an angle is (5 x + 10) and the measure of another angle is 55 both angles have a sum of 90 what is the value of x
Bingel [31]

Answer:

x=5

Step-by-step explanation:

5*5=25

25+10=35

35+55=90

6 0
3 years ago
Solve for x: <br> (X+5)^1/2 = (5-2x)^1/4
Greeley [361]

Answer:

X = Negative 2 (-2)

7 0
4 years ago
Write each equation in standard form. identify A,B,C.
aleksley [76]
Write in y=ax²+bx+c form
solve for y

given
\frac{x+5}{3}=-2y+4
solve for y

easy
minus 4 both sides
\frac{x+5}{3}-4=-2y
times -1/2 to both sides
\frac{x+5}{-6}+2=y
y=\frac{x+5}{-6}+2
y=\frac{-x}{6}-\frac{6}{5}+2
2=10/5
y=\frac{-1}{6}x-\frac{6}{5}+\frac{10}{5}
y=\frac{-1}{6}x+\frac{4}{5}
y=ax²+bx+c
y=0x^2+\frac{-1}{6}x+\frac{4}{5}

a=0
b=\frac{-1}{6}
c=\frac{4}{5}
3 0
3 years ago
PLEASE HELP ME AS SOON AS POSSIBLE
tatyana61 [14]

a) The linear function that models the population in t years after 2004 is: P(t) = -200t + 29600.

b) Using the function, the estimate for the population in 2020 is of 26,400.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The initial population in 2004, of 29600, is the y-intercept. In 12 years, the population decayed 2400, hence the slope is:

m = -2400/12 = -200.

Hence the equation is:

P(t) = -200t + 29600.

2020 is 16 years after 2004, hence the estimate is:

P(16) = -200(16) + 29600 = 26,400.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

3 0
2 years ago
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