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Luba_88 [7]
3 years ago
10

Evaluate the expression for a^2 + b ÷3 when a = 3 and b = 6

Mathematics
1 answer:
Flura [38]3 years ago
8 0

Answer:

11

Step-by-step explanation:

3^2 + 6/3

9 + 2

11

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A digital camera costs $185 and the sales tax rate is 5.7%. What is the total cost of the camera after tax
Dovator [93]
♥ To solve find how much this will cost AFTER the price increases.
♥ Solve:
Multiply the original price as it is by: <span>1.057 (5.7 as a decimal would be 0.057, but as i said to keep the original price, the 1 will keep it there.) 
</span>185 * 1.057 = $195.545
Final answer: <span>$195.54</span>
7 0
3 years ago
the teacher of a senior class needs to choose 4 members of the class to represent the school. if there are 10 seniors in the cla
3241004551 [841]
There are 10 seniors in the class, from which 4 should be chosen by the teacher. The order of the chosen students does not matter. This means that we speak of combinations. THe equation for calculating the number of possible combinations is:
C=N!/R!(N-R), where N is the total number of objects and R is the number of objects we select from the N 
In our case, N=10, R=4.
C= 10!/4!*6!=10*9*8*7*6!/6!*4*3*2*1=<span>10*9*8*7/24=5040/24=210
There are 210 different ways for the teacher to choose 4 seniors in no particular order.</span>
6 0
4 years ago
Richard earns 2700 a month. He received a 3% raise. What is Richards new annual salary
elena-14-01-66 [18.8K]

2700 \times 103\% = 2781 \: (monthly) \\ 2781 \times 12 = 33372 \: (annual)
The answer is $33,372

Hope this helps.

- Max
7 0
3 years ago
Nancy bought 5 1/2 pounds of apples and oranges. If she bought 1 2/3 pounds of apples, which of the following equations could be
poizon [28]

Answer:

5 1/2-p=1 2/3

Step-by-step explanation:

let p represent the weight of the oranges!

6 0
3 years ago
Please help?!’ answerr
Ugo [173]

Answer:

The choice Draw 2

Step-by-step explanation:

3(8 - 4x) < 6(x - 5) \\ 24 - 12x < 6x - 30 \\  24- 12x + 12x < 6x + 12x - 30 \\ 24 < 18x - 30 \\ 24 + 30 < 18x - 30 + 30 \\ 54 < 18x \\ 54 \div 18 < 18x \div 18 \\ 3 < x \\ x > 3

I hope I helped you^_^

6 0
3 years ago
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