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Viefleur [7K]
2 years ago
12

final grades are often computed using weighted averages. Some college professors Us complicated weighted averages. Your college

professor tells you he will give a 33%-67% split on grades between test and homework where whichever average is higher will be 67%. What will your final grade be if your homework average is 78 and your test average is 79?
Mathematics
1 answer:
zepelin [54]2 years ago
7 0

Answer:

Your final grade will be 78.67 %

Step-by-step explanation:

67% of your grade will be from your test average which is 79 (higher)

33% of your grade will be from your homework average which is 78.

Calculating:

(67×79+33×78) / (67+33) = 7867 / 100 = 78.67

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What are the values of x and y​
kaheart [24]

Answer:

x = 10, y = 12

Step-by-step explanation:

There is a 2:1 ratio between 16 and 8, alternate side lengths.

2x = 20

x = 10

2(6) = y

y = 12

5 0
2 years ago
Read 2 more answers
Caitlin has cut out a square piece of graph paper that contains a total of 81 blocks.How many blocks are there along one side of
FinnZ [79.3K]

Answer:

9 squares on each side of the square.

Step-by-step explanation:

\sqrt{81}=\sqrt{9\times 9}=\sqrt{9^2}=9

There are 9 equally sized blocks on one side of square piece of graph paper.

Best Regards!

5 0
3 years ago
Find the value of k such the -2/3 is the zero of the function f(x)=4x+k/7
Mashutka [201]
f(x)=4x+k/7\\
f(- \frac{2}{3} )=- \frac{8}{3} +k/7=0\quad\Rightarrow\quad k= \frac{56}{3}
3 0
3 years ago
You paid $44 to a loan company for the use of $1,153 for 119 days, what annual rate of interest did they charge? (Assume a 360-d
Zigmanuir [339]

Answer:

Ans. A) The annual rate that the company charged was 11.996%; B) if they charged you 11.186% annual rate, you would have to pay $41.14

Step-by-step explanation:

Hi, first we have to find out what is the effective 119 days rate and then turn it into an annual rate. This is as follows.

r(Effective119Days)=\frac{44}{1,153} x100=0.038161

So the charged rate was 3.816% effective, 119 days, now let´s make it an annual rate.

r(annual)=(1+0.038161)^{\frac{360}{119} } -1=0.119965

This means that the equivalent rate to 3.816% effective 119 days ys 11.996% effective annually (or just annual).

Now, if they were to charge you 11.186% annual, you would have to make this rate effective 119 days, and then, multiply it by the principal ($1,153). Let´s change the rate first.

r(Effective119Days)=(1+0.11186)^{\frac{119}{360} -1}=0.03568

And the money that you will have to pay in interest is $1,153*0.03568=$41.14

Best of luck

7 0
3 years ago
Multiply (-2/3) (5/4)<br><br> Quick help!
ki77a [65]

Answer: -\frac{5}{6}

Step-by-step explanation:

When you multiply fractions, you multiply straight across and simplify.

-\frac{2}{3}*\frac{5}{4}           [multiply]

-\frac{10}{12}               [simplify]

-\frac{5}{6}

Now, we know that the product is -\frac{5}{6}.

8 0
3 years ago
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