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Tasya [4]
3 years ago
5

On a test, you earn 92% of the possible points by correctly answering 6 five-point questions and 8 two-point questions. How many

points $p$ is the test worth?
The test is worth p= points.
Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0

Step-by-step explanation:

(6×5)+(8×2)=46

92℅=46points

100℅=x

criss cross

<u>92℅x=46</u>

<u>9</u><u>2</u><u>℅</u><u>.</u><u> </u> 92℅

and this is the answer

Tju [1.3M]3 years ago
5 0

Answer:

50 Points Total

Step-by-step explanation:

You only got 92% right on the test to that means you missed some questions. So 6x5=30, 18x2=16, 16=30=46 100%-92%=8%, 8%=4 points.

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Trina's car uses 12 gallons of gas to travel 144 miles. If she has 6 gallons of gas in the tank, how much more gas will she need
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Answer: 14gallons

Step-by-step explanation:

12gallons/144miles = 1gallon/12miles

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Values of x in the inequality -3x+1&lt;7
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The value of x is: x > -2

Step-by-step explanation:

The interval notation if you need it is (-2, ♾)

6 0
3 years ago
How to Divide 80 into the given Fractions
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7/10 of 80 is 56
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4 0
4 years ago
Which points are reflections of each other across both axes?
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Stock A ‘s returns have a standard deviation of 0.5, and stock B’s returns have standard deviation of 0.6.The correlation coeffi
galben [10]

Answer:

The variance of the profile is 0.2179.

Step-by-step explanation:

We are given the following in the question:

\sigma_A = 0.5\\\sigma_B = 0.6\\\rho_{A,B} = 0.5\\w_A = 70\% = 0.7\\w_B = 30\% = 0.3

Variance of portfolio is given by:

w_A^2\sigma_A^2 +w_B^2\sigma_B^2 + 2w_Aw_BCov_{A,B}

Cov_{A,B} = \rho_{A,B} \times \sigma_A \times \sigma_B \\=0.5\times 0.5 \times 0.6\\=0.15

Putting values, we get,

w_A^2\sigma_A^2 +w_B^2\sigma_B^2 + 2w_Aw_BCov_{A,B}\\=(0.7)^2(0.5)^2 + (.3)^2(0.6)^2 + 2(0.7)(0.3)(0.15)\\=0.2179

Thus, the variance of the profile is 0.2179.

4 0
3 years ago
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