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True [87]
3 years ago
11

From a standard deck of cards, your first draw is a black card. You replace the card, and the second draw is a diamond. Which TH

REE statements are correct for the outcome of the event? A) The probability of drawing the black card is 1/2 B) The probability of drawing the diamond is 1/4 C)The probability of the compound event is 1/6 D) The probability of the compound event is 1/8 E) The probability of the compound event is 3/4 ​
Mathematics
1 answer:
ladessa [460]3 years ago
4 0
A, B, D

A: because there are two colour types in a deck of cards, so it’s 1/2 probability of getting a black one.

B: because there a four suits in a deck of cards, so the probability of getting a diamond is 1/4

D: because when calculating compound events we multiply the two probabilities,
so 1/2 x 1/4 = 1/8

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in abbys grade, there 70 students. currently, 10% of them are enrolled in health. how many students are enrolled in health?​
goblinko [34]

Answer:

7 students.

Step-by-step explanation:

10% of 70 is 7.

4 0
3 years ago
The table shows the temperature (y) at different altitudes (x).
Shtirlitz [24]

Answer/Step-by-step explanation:

2. Using two pairs of values, (0, 59) and (2,000, 51),

slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{51 - 59}{2,000 - 0} = \frac{-8}{2,000} = -\frac{1}{250}

3. The y-intercept is the value of y when x = 0. Thus, x = 0, when y = 59. Therefore,

y-intercept (b) = 59

4. To write an equation in slope-intercept form, simply substitute m = -¹/250, and b = 59, in y = mx + b

✅y = -\frac{1}{250}x + 59

5. Substitute x = 5,000 in y = -\frac{1}{250}x + 59.

y = -\frac{1}{250}(5,000) + 59

y = -20 + 59

y = 39

At an altitude of 5,000 ft, temperature would be 39°F

3 0
3 years ago
What is the property for 16=16
mestny [16]

Answer:

Reflexive property

Step-by-step explanation:

The property means that a real number is always equal to itself. For example, x=x. It works for all real numbers and is pretty simple. 3=3, 7.5=7.5 and etc

3 0
3 years ago
A peregrine falcon dives for prey. Its elevation changes
bija089 [108]
11.5 x 3.2 = 36.8m

-36.8 meters change in elevation
4 0
4 years ago
Solve for k.<br><br> 9 + 3k = 15<br><br> k =
-Dominant- [34]

Answer:

k = 2

Step-by-step explanation:

subtract 9 from both sides and you have 3k=6

then divide by three on both sides to get 2

7 0
4 years ago
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