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KatRina [158]
3 years ago
10

Assessment timer and count

Mathematics
1 answer:
Tanya [424]3 years ago
7 0

Answer: y=300⋅2.03x

Step-by-step explanation:

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Find the volume of a pyramid with a square base, where the area of the base is 7.9 m^2
Fofino [41]
The pyramid formula:
\frac{1}{3}  \times base \times height

The volume in this case would be:

1/3×7.9×4
=79/30×4
=10.5333...
≈10.5 m^3
6 0
3 years ago
How do you find the r?
astra-53 [7]
It's a right triangle. Use the pythagorean theorem. 36^2+r^2=(r+12)^2. r=48.
5 0
2 years ago
“Use the rule 5n - 2 to complete the missing entry labeled A and B in the input-output table below”
Shtirlitz [24]

Step-by-step explanation:

5n-2

5(4) - 2

20-2=18

A= 18

5n - 2 =48

5n=48+2

5n=50

divide by 5

n= 10

B=10

7 0
3 years ago
Roll one fair, six-sided die, numbered 1 through 6. Let A be the event you will roll an even number. Let B be the event you will
11111nata11111 [884]

Answer:

a) not independent

b) not mutually exclusive

Step-by-step explanation:

Given:

- A 6 sided die is rolled

- Event A is rolling an even number

- Event B is rolling a prime number

Find

- (a) Are A and B independent events?

- (b) Are A and B mutually exclusive events?

Solution:

- We will find the probability of each event:

                       set(Even number: A) = {2, 4, 6} = 3 outcomes

                       set(Prime number: B) = {2 , 3, 5} = 3 outcomes

- The probabilities are:

                        P(A) = 3/6 = 0.5

                        P(B) = 3/6 = 0.5

- For Event A and B to be independent then the following condition must match:

                        P ( A & B ) = P(A)*P(B)

                        set (A&B) = {2} = 1 outcome

                        P(A&B) = 1/6

                        1 / 6 = 0.5*0.5

                        1/6 = 0.25         ...... NOT INDEPENDENT

- For Event A and B to be mutually exclusive then the following condition must match:

                        P(A&B) = 0

                        P(A&B) = 1/6

Hence, we can say the events are NOT MUTUALLY EXCLUSIVE

7 0
3 years ago
There are twenty-two more chickens than cows. The number of cows and chickens combined is 98. How many are chickens? There are 6
BabaBlast [244]

Answer:

Step-by-step explanation:

chicken=x+22

cow=x

chicken+cow=98

x+22+x=98

2x+22=98

2x=76

x=38

chicken =x+22=38+22=60

There are 60 chickens

5 0
2 years ago
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