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Ksenya-84 [330]
2 years ago
10

In the morning you receive a notification from your bank that you are -$18 in your account you jump out of bed and rush to depos

it a $20 bill how much do you have in your bank account after the deposit

Mathematics
2 answers:
Sliva [168]2 years ago
6 0
You have 2 dollars in your bank account boi
Anna [14]2 years ago
4 0

Answer:

-38 because -18-20=-38

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A company interested in lumbering rights for a certain tract of slash pine trees is told that the mean diameter of these trees i
brilliants [131]

Answer:

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12 inches

Standard Deviation, σ = 2.2 inches

We are given that the distribution of diameter of tree is a mound shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(diameters between 7.6 and 18.6 inches)

P(7.6 \leq x \leq 18.6) = P(\displaystyle\frac{7.6 - 12}{2.2} \leq z \leq \displaystyle\frac{18.6-12}{2.2}) = P(-2 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -2)\\= 0.999 - 0.023 = 0.976= 97.6\%

P(7.6 \leq x \leq 18.6) = 97.6\%

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

8 0
3 years ago
I forgot how I check to see if my answer is right :,) can anyone help me ;v; The answer is right I just forgot how to check it​
Novosadov [1.4K]

Answer:

see below

Step-by-step explanation:

To check your solution , plug the value of k into the original equation

6(7k-10) =24

k=2

6(7*2-10) =24

6(14-10) =24

6(4) =24

24=24

The solution is correct

3 0
3 years ago
Solve for x: x/3= 7<br><br> x= 21<br> x= 12<br> x= 7/3<br> x= 11
myrzilka [38]

Answer:

7÷3=2 1/3...

×=7/3...

4 0
3 years ago
Read 2 more answers
What’s the value of x?
belka [17]
In math, value is a number signifying the result of a calculation or function. So, in the example above, you could tell your teacher that the value of 5 x 6 is 30 or the value of x + y if x = 6 and y = 3 is 9. Value can also refer to a variable or constant. also It is called a "variable" or sometimes an "unknown".
8 0
3 years ago
Your cellular telephone provider offers two plans. Plan A has a monthly fee
photoshop1234 [79]

Answer:

you must send 25 msgs to have the same cost

Step-by-step explanation:

x = n of messages

15+ (0.25x ) = 20 + (0.05x)

0.2x = 5

x = 25

6 0
3 years ago
Read 2 more answers
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