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Nataly [62]
2 years ago
5

The sum of two numbers is -14, if one number is subtracted from the other, their difference is 2, find the numbers.

Mathematics
1 answer:
m_a_m_a [10]2 years ago
6 0

Answer:uu

-10 and -12

Step-by-step explanation:

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Will give brainliest if you answer first and correctly
MissTica

Answer:

Answer C

Step-by-step explanation:

It is the correct one.

8 0
3 years ago
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Write the equation of a line in slope-intercept form that has a slope of -0.5 and passes through the point (-5, 1.5)
baherus [9]
Y = -1/5x + 0.5
The y intercept is 0.5
3 0
2 years ago
Verify that the functions are probability mass functions, and determine the requested probabilities.
Free_Kalibri [48]

Answer:

a) 3/64 = 0.046 (4.6%)

b) 63/64 = 0.9843 (98.43%)

c) 1/64 = 0.015 (1.5%)

d) 1/4 = 0.25 (25%)

Step-by-step explanation:

in order to verify that the f(x) is a probability mass function , then it should comply the requirement that the sum of probabilities over the entire space of x is equal to 1. Then

∑f(x)*Δx = 1

if f(x)=(3/4)(1/4)^x , x = 0, 1, 2, ...

then Δx=1 and

∑f(x) = (3/4)∑(1/4)^x = (3/4)* [ 1/(1-1/4)] = (3/4)*(4/3) = 1

then f represents a probability mass function

a) P(X = 2)= f(x=2) = (3/4)(1/4)^2 = 3/64 = 0.046 (4.6%)

b) P(X ≤ 2) = ∑f(x) =  f(x=0)+ f(x=1) + f(x=2) = (3/4) + (3/4)(1/4) +  3/64 = 63/64 = 0.9843 (98.43%)

c) P(X > 2)= 1- P(X ≤ 2) = 1 - 63/64 = 1/64 = 0.015 (1.5%)

d) P(X ≥ 1) = 1 - P(X < 1) = 1 - f(x=0) = 1- 3/4 = 1/4 = 0.25 (25%)

4 0
3 years ago
I forgot how to do this lol
astraxan [27]
The equation of the line has the form: y = ax+b parallel to the line y = -2x + 7
=> a= -2
Passes through (4,1) => x=4, y=1
Substituting into the equation:
1= -2x(4) + b => b= 9
=> y= -2x + 9
6 0
2 years ago
Mr.johnson can travel for 6 hours while taking 3 breaks of 12 minutes each Once,he had to travel for 36 hours. How many minutes
dlinn [17]
He took 4 minutes in breaks
3 0
3 years ago
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