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Ghella [55]
3 years ago
11

Please help i need this done soon!!

Mathematics
2 answers:
frosja888 [35]3 years ago
5 0

Answer:

f(2) = -2

Step-by-step explanation:

plug in 2 to wherever x is in this statement:

f(2) = -2(2^2) - 2(2) + 10

f(2) = -2(4) - 4 + 10

f(2) = -8 - 4 + 10

f(2) = -2

const2013 [10]3 years ago
5 0
F(2)= -2x^2 -2x +10
-2(4) -2(2) +10
-8 -4 +10
=-2
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360⁰......12

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x=1.6×360/12=1.6×30=48⁰

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A koala weighs 20 pounds. In her pouch she carries her joy that weighs 20 ounces. What is the combined weigth of the adult koala
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Answer: The answer is 21.25 pounds.


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For that, first we need to conver ounces to pounds.

We know

1~\textup{pound}=16~\textup{ounces}\\\\\Rightarrow 1~\textup{ounce}=\dfrac{1}{16}~\textup{pounds}\\\\\Rightarrow 20~\textup{ounces}=\dfrac{1}{16}\times 20=\dfrac{5}{4}=1.25~\textup{pounds.}

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8 0
3 years ago
Shahruk plays four games of golf. His four scores have a mean of 75, a mode of 78 and a median of 77. Work out his four scores.​
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Answer:

the four scores are 68, 76, 78, and 78.

Step-by-step explanation:

The mean of the four scores is 75.

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Now, let one of the middle scores be 'x'.

Since the number of scores is even, the median is half of the sum of the two middle terms.

Median is given as 77 and mode is 78.

So, median is given as:

As 76 is smaller than 78.

So, the 2nd score is 76 and third score is 78.

Since mode is 78, it has to be repeated more than once. So, the fourth score will also be 78.

Now, let the first score be 'y'. Therefore, the sum is given as:

Therefore, the four scores are 68, 76, 78, and 78.

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2 years ago
Solve for x. (10−5 2/3) ⋅ (−2)+x=8 2/3
Pepsi [2]

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17.3 or fraction 17 1/3

Step-by-step explanation:

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3 years ago
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