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nata0808 [166]
2 years ago
10

Classify the following triangle as acute, obtuse, or right

Mathematics
2 answers:
vekshin12 years ago
4 0
The answer is Acute
kondor19780726 [428]2 years ago
4 0
The answer is A. Acute
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The mean of 100 observation is found to be 40. If at the time of compution two items were wrongly taken as 30 and 27 instead of
Colt1911 [192]

Answer:

40.18

Step-by-step explanation:

According to this question, the mean of 100 observation is found to be 40. This means that the number of values in the set of data is 100. However, at the time of computation two items were wrongly taken as 30 and 27 instead of 3 and 72.

The mean is derived by dividing the sum of values in the data (Σx) by the number of observations (n) i.e.

Mean = Σx/n

For the computation error:

Mean = 40

Let x represent the sun of other 98 values except 30 and 27

n = 100

40 = x + 30 + 27/100

40 = 57 + x/100

Cross multiply

4000 = 57 + x

x = 4000 - 57

x = 3943.

Sum of other 98 values = 3943.

Now, let's find the correct mean with correct values of 3 and 72;

Mean = Σx/n

Mean = 3943 + 3 + 72/100

Mean = 4018/100

Mean = 40.18

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2 years ago
10°<br> 55°<br> x х<br> Solve for y in the figure above.
andreyandreev [35.5K]
Y=145
Explanation:
A triangle’s angles add up to a total of 180 so you would subtract 55 from 180 and then subtract 90 because of the right angle, then you would end with x=35. Since x and y are supplementary they add to 180...so then you subtract 35 from 180 and then you get y=145.
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3 years ago
A car repair company charges a $15 initial fee plus an hourly rate for services.
ryzh [129]
67.50? i think... maybe double check though.
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Write the inequality for the linear inequality graphed below. You can
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Answer:

 

Step-by-step explanation:

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Tiana has $70 in an account. The interest rate is 5% compounded annually.
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Answer:

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Step-by-step explanation:

Initial Deposit:

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Years to Save:

1

Estimated Rate of Return

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Compound Frequency:

Annually

Earned Interest

$3.50

Total Balance

$73.50

Hope this helps!

8 0
1 year ago
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