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Thepotemich [5.8K]
3 years ago
6

Fine the average of these numbers, 8,12,13,15

Mathematics
2 answers:
GarryVolchara [31]3 years ago
8 0

Answer:

12

Step-by-step explanation:

The average is calculated as

average = \frac{sum}{count} = \frac{8+12+13+15}{4} = \frac{48}{4} = 12

V125BC [204]3 years ago
6 0

Answer:

The average is 12

Step-by-step explanation:

When finding the average of a group of numbers, all you have to do is add all the numbers together and divide by the amount of numbers that you added by. 8 + 12 + 13 + 15 = 48. 48 ÷ 4 = 12

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r-ruslan [8.4K]
162/(6(7-4)^2)
pemdas
parenthasees inner first
so 7-4 is forst
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3 years ago
Y=2(x+1)^2 has how many real roots
oee [108]

The equation y= 2(x+1)^2 has one real root and that is x=-1.

What is real roots of the equation?

    We are aware that when we resolve a linear or quadratic equation, we always arrive at the value variable of the equation, or, to put it another way, we always locate the equation's solution. This "solution" is what we refer to as the real roots. For instance, when the equation X^2-7x+12=0 is solved, the actual roots are 3 and 4.

Here given,

=> y = 2(x+1)^2

Take y=0 then,

=> 2(x+1)^2=0

=> (x+1)^2=0

=>(x+1)=0

=> x=-1

Hence the given equation has one real root and that is x=-1.

To learn more about real roots refer the below link

brainly.com/question/24147137

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8 0
1 year ago
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Lucy plans to spend between $50 and $60, inclusive, on packages of beads and packages of charms. If she buys 5 packages of beads
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She can buy maximum of 5 packages while staying within her budget.

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Maximum spending limit = $60.

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Number of packages of beads bought = 5.

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Let the number of packages of beads bought be x.

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x\geq 3.85

4.956 \times 5 + x \times 6.55 \leq 60

24.78+6.55x\leq 60

6.55x\leq 35.22

x\leq 5.38

So, she can buy maximum of 5 packages while staying within her budget.

Learn more about solving inequalities here:

brainly.com/question/12189350?referrer=searchResults

7 0
2 years ago
These figures are similar: angle R = ?
lesya692 [45]
It’s similar to D because they are going to have the same measured angle
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