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yulyashka [42]
3 years ago
7

" id="TexFormula1" title=" {7}^{2} - 3 + 9 \times 8 \div 2 \\ w = " alt=" {7}^{2} - 3 + 9 \times 8 \div 2 \\ w = " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
taurus [48]3 years ago
7 0

Answer:

82

Step-by-step explanation:

49 - 3 + 72/2

= 46 + 36

= 82

il63 [147K]3 years ago
4 0

For this case we must find the value of the following expression:

7 ^ 2-3 + 9 * 8÷2 =

According to the PEMDAS algebraic order of operations:

P: Perform any calculation within parentheses

E: Simplify any exponential expressions.

MD: Do all the multiplications and divisions, from left to right, as they appear.

AS: Do all the addition and subtraction, from left to right, as they appear.

So:

49-3 + 9 * 8÷2 =

49-3 + 72÷2 =

49-3 + 36 =

46 + 36 =

82

ANswer:

82

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A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or chicken. Of 200 respondents
kicyunya [14]

Answer:

                          Hamburger       Chicken

Adults                    65                        60         125

children                 55                        20          75

                             120                        80         200

a)What is the probability that a randomly selected individual is an adult?

Total no. of adults = 125

Total no. of people  200

The probability that a randomly selected individual is an adult = \frac{125}{200}=0.625

b) What is the probability that a randomly selected individual is a child and prefers chicken?

No. of child prefers chicken = 20

The probability that a randomly selected individual is a child and prefers chicken= \frac{20}{200}=0.1

c)Given the person is a child, what is the probability that this child prefers a hamburger?

No. of children prefer hamburger = 55

No. of child = 75

The probability that this child prefers a hamburger= \frac{35}{75}=0.46

d) Assume we know that a person has ordered chicken, what is the probability that this individual is an adult?

No. of adults prefer chicken = 60

No. of total people like chicken = 80

A person has ordered chicken, the probability that this individual is an adult= \frac{60}{80}=0.75

3 0
3 years ago
Easy math i'll mark brainliest
german

Answer:

Q6: B Q7: D Q8: C Q9: D Q10: A

7 0
3 years ago
Read 2 more answers
Hello, I really need help with this!
yuradex [85]
1. Given
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3 years ago
Jonas builds a snow fort. He tells his friends it is 0.8 meters tall inside, but he rounded the height to the nearest tenth. Whi
Lelu [443]

Answer:

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Step-by-step explanation:

If you had to round to the nearest tenth, 0.89 would round to 0.9. 0.74 would round down to 0.7. 0.85 would also round up to 0.9, which leaves the last answer, 9.77 to be rounded to 0.8. Hope this helps

5 0
3 years ago
How do I do question 9 b?
Lynna [10]
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3 years ago
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