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eduard
3 years ago
10

What is the distance between the points (−3, 5) and (−3, −9)? A) 4 B) 6 C) 11 D) 14

Mathematics
2 answers:
miv72 [106K]3 years ago
8 0
Distance formula is
D= square root of x2-x1 squared plus y2-y1 squared

for (-3,5) and (-3,-9) that would be

Square root of -3- - 3 squared plus -9-5 squared

This equals 14 which makes the answer D
Alexeev081 [22]3 years ago
6 0

Answer: D)14

Step-by-step explanation: The x-factors are both -3 but the y-factors are different so you count the distance between them

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What is the y-intercept of the line described by the equation below? y = 3x - 6
elena55 [62]
This is a line in the form y = mx + b, where b is the y intercept.  In your equation above, 3 is the slope, the m value, and -6 is the y-intercept, the b value.
3 0
4 years ago
Read 2 more answers
Let B1W2 denote the outcome that the first ball drawn is B1 and the second ball drawn is W2. Because the first ball is replaced
Sati [7]

Answer:

\{B_1B_1, B_1B_2, B_1W_1, B_1W_2, B_1W_3, \\B_2B_1, B_2B_2, B_2W_1, B_2W_2, B_2W_3, \\

W_1B_1,W_1B_2, W_1W_1, W_1W_2, W_1W_3, \\W_2B_1, W_2B_2, W_2W_1,W_2W_2, W_2W_3, \\W_3B_1, W_3B_2, W_3W_1, W_3W_2, W_3W_3\}

Step-by-step explanation:

\text{If an urn contains two blue balls} (denoted \:B_1 \:and \:B_2) \text{and three white balls},(denoted \:W_1, W_2, \:and\: W_3)

If One ball is drawn, its color is recorded, and it is replaced in the urn. Then another ball is drawn and  its color is recorded.

The 25 Possible outcomes of this experiment are listed below:

\{B_1B_1, B_1B_2, B_1W_1, B_1W_2, B_1W_3, \\B_2B_1, B_2B_2, B_2W_1, B_2W_2, B_2W_3, \\

W_1B_1,W_1B_2, W_1W_1, W_1W_2, W_1W_3, \\W_2B_1, W_2B_2, W_2W_1,W_2W_2, W_2W_3, \\W_3B_1, W_3B_2, W_3W_1, W_3W_2, W_3W_3\}

The tree diagram of this event is also attached.

6 0
4 years ago
In 1995 the life expectancy for a female born in the United States was 75.9 years, and was increasing at a rate of 0.23 years pe
klio [65]
78.2 years 

2005 - 1995 = 10
.23 * 10 = 2.3 
75.9 + 2.3 = 78.2 
6 0
3 years ago
What is the definition of exponential decay 
klio [65]

Answer:

Kindly check explanation

Step-by-step explanation:

When we have an exponential function, this means that a certain item of sum changes by a fixed percentage rate over a certain period of time.

Decay in Mathematics means reduction. Hence, Applying this knowledge to the concept of exponential Decay, we could say exponential deacy means a reduction process an object or thin undergoes as it decreases by a fixed percentage rate over a certain period of time.

Mathematically, exponential Decay is expressed as :

y = a(1-b)^x

Where, a = Initial amount

(1 - b) = Decay factor ; where b = decay rate.

x = period.

7 0
3 years ago
F(x) = 6x ^ 6 + 29x ^ 3 + 35x ^ 4 + 43x ^ 3 + 17x ^ 2 - 16x - 12
Allisa [31]

Answer:

410x-12

Step-by-step explanation:

7 0
3 years ago
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