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Rzqust [24]
2 years ago
7

Multiply 25 by the difference of 34.78 and 12.99.

Mathematics
2 answers:
Kay [80]2 years ago
8 0
544.75 . Hope this helped !
denpristay [2]2 years ago
6 0
Hope you understood pls give me the brainliest :)))

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1 Which of the following situations describes the use
Rzqust [24]
1. C
2. B (wanna turn that in on time)
3. C (perfect!)
4. 600,000 (just gotta multiply, and subtract) 
5. $22.74
6. C (corresponds kind of with 2 and 3)
7. i don't see the table, i'm sorry.. 
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hope this helps! 
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2 years ago
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Ms. burke earns $32,000 per year and plans to buy a house. use the banker's rule to determine her maximum allowable mortgage.
MAVERICK [17]
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7 0
2 years ago
1/3 times 3.14 times 16 times 6 rounded two decimal places
Sergeeva-Olga [200]
The answer is 100.48

(If you are actually multiplying by pi rather than 3.14, then the answer is 100.53)
5 0
3 years ago
Reread or review the short short story below "Dirty Bird".
BartSMP [9]

i think the answer should be hyperbole because the font part of the text is quite exaggerating

7 0
3 years ago
A certain brand of refrigerator has a useful life that is normally distributed with mean 10 years and standard deviation 3 years
juin [17]

Answer: 0.55567

Step-by-step explanation:

Given : A certain brand of refrigerator has a useful life that is normally distributed with mean 10 years and standard deviation 3 years. The useful lives of these refrigerators are independent.

i.e.

\mu=10\text{ years}\\\sigma=3\text{ years}

Let X_1 and X_2 are two randomly selected refrigerator's life whose sum will exceed third selected refrigerator X_3 .

So that, X =X_1+X_2-1.9\times X_3

Mean =E(X_1)+E(X_2)-E(X_3)=10+10-1.9\times10 =1

Standard deviation =\sqrt{(Var(X_1)+Var(X_1)+Var(X_1))}

=\sqrt{(3^2+3^2+(1.9\times3)^2)}

=7.1056315694

Z-score : z=\dfrac{X-E[x]}{\sqrt{Var[x]}}=\dfrac{0-1}{7.0156315694}\approx-0.14

Now , The  probability that the total useful life of two(i..e n=2) randomly selected refrigerators will exceed 1.9 times the useful life of a third randomly selected refrigerator would be :-

P(Z>-0.14)=P(Z

Hence, the required probability is 0.55567.

3 0
3 years ago
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