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DedPeter [7]
3 years ago
6

Events a and b are mutually exclusive when: select one:

Mathematics
1 answer:
Vinil7 [7]3 years ago
3 0
A. They are independent events

Eg heads and tails

These two events cannot occur together therefore they are independent
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It's B because the overall slope isn't changing, just the y value is changing.
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5 0
3 years ago
Please help! How on earth do I do this? In the year 2015, Anna bought a new car for $36,000. In 2017, she was told that the valu
Klio2033 [76]

Part A

Purchase Value of Anna's Car in 2015 = $36,000

Depreciated Value of Anna's Car in 2017 = $25,000

We know that the value of the car is depreciating linearly.


From the above data, we can see that the value of the car has reduced by $36,000-$25,000 = $11,000 over 2 years.

⇒ Per year the value has been depreciated by \frac{11000}{2}

⇒ Per year the value has been depreciated by $5,500

So if the value of a car in 2015 is V₀ then value of the car after t years can be determined by the below function:

V (t) = V₀ - (t*5,500), where t indicates the years passed since 2015

OR V (t) = 36,000 - (t*5,500), where t indicates the years passed since 2015

Part B

Suggested value of Anna's car for trade in option in 2018 = $15,000

In 2018, 3 years would have been passed since 2015. Using the value of t = 3 in the function determined in Part A:

V(3) = V₀ - (3*5,500)

⇒ V(3) = 36,000 - (16,500)

⇒ V(3) = $19,000

From the above calculations, we can see that the value of the car in 2018 should be $19,000, however the suggested value for trade in is indicated as $15,000 which is lower than what the value of the car should be. Hence, basis linear depreciation, the $15,000 value is not fair for the car in 2018.

3 0
3 years ago
Let x be the number of $5 items and y the
Lana71 [14]

Answer:

Answer is 60.

Step-by-step explanation:

Two equations, two unknowns.

As you said, let x be the number of $5 items and y the number of $25 items.

First equation is based on VALUE (second sentence):

5x + 25y = 1950

Second equation is based on NUMBER (third sentence):

x + y = 150

Now solve. Easy way is rearrange the second equation (x = 150 - y) and sub into the first:

5(150 - y) + 25y = 1950

750 - 5y + 25y = 1950

20y = 1200

y = 60

Since y represented the number of items sold at $25, 60 is the number of items.

6 0
3 years ago
What 2+2 x10+2X2+10=
erastova [34]

Answer:

36

Step-by-step explanation:

Use PEMDAS:

2*10 is 20

2*2 is 4

So the equation is now

2+20+4+10=

Now add:

36

Thus the solution is 36

Hope this helps!

4 0
3 years ago
Read 2 more answers
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