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Gnom [1K]
3 years ago
9

A family of two adults and three children went to a water park. Admission to the water park costs $18 per person. Nora used the

expression 2(18)+3(18) to model the total cost for the family, and Alex used the expression 5(18) Which property of operations makes both of their expressions correct?
O associative property
O commutative property
O distributive property
O identity property ​
Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0

Answer:

the answer is d

Step-by-step explanation:

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HOW MANY DEGREES IN A SUPPLEMENTARY ANGLE???
monitta

Answer:

180 degrees

Step-by-step explanation:

4 0
2 years ago
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Chris's art Class is 8 hours long. How long is his class in minutes?
andre [41]
60 minutes in an hour
60 x 8 = 480
his class is 480 minutes long
4 0
3 years ago
19 + 11 - 12² ÷ 3 (12 - 9) · 11)) - 7 =
katovenus [111]

PEMDAS = Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

First, subtract the numbers in the parentheses, then multiply by 11.

(12 - 9) = (3)

3 x 11 = 33

19 + 11 - 12^2 ÷ 3(33) - 7

Now, just multiply 33 by 3, and then square 12 (12 x 12).

19 + 11 - 144 ÷ 99 - 7

Now, you can divide 144 by 99, this is an infinite number, so..

144 ÷ 99 = 1.455

19 + 11 - 1.455 - 7

Finally add, then subtract.

30 - 1.455 - 7

28.545 - 7

The final answer is 21.545.

7 0
2 years ago
In the year 2005 , a total of 750 fish were introduced into a manmade lake . The fish population was expected to grow at a rate
xxTIMURxx [149]

Answer:

The fish population will be in 2050 = 27,123

Step-by-step explanation:

Given,

In 2005, the total number of fish were introduced (fish population), PV = 750

The growth rate, i = 8.3% = 0.083

The difference between 2050 and 2005 is (2050 - 2005), n = 45 years

We need to solve this problem with the help of future value of compounding. We know, FV = PV (1+i)^n, where, PV = present value, i = interest rate, n = period.

Therefore, the fish population will be in 2050 = 750 x (1 + 0.083)^45

The fish population will be in 2050 = 27,123.26

2050 fish population = 27,123 (Nearest to whole number).

3 0
3 years ago
Can you tell me what the answer is?
Natasha_Volkova [10]

Answer:

#4 y=-0.5(x-4)^2+1

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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