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LiRa [457]
3 years ago
13

Sue has taken four exams so far in her History course. Her scores are 84.0, 78.2, 93, and 87.5. What is the average of these sco

res?
Mathematics
1 answer:
Nataliya [291]3 years ago
3 0

Answer: 85.7

Step-by-step explanation:

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Simplify the following algebraic expression 5x– 4у + 3y+8y – 7х​
Margarita [4]

Answer:

<h2><em><u>-2x</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>7y</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>, </u></em>

5x– 4у + 3y+8y – 7х

<em>[Bringing like terms together]</em>

= 5x - 7x - 4y + 3y + 8y

<em>[</em><em>Adding</em><em> </em><em>and</em><em> </em><em>subtracting</em><em> </em><em>the</em><em> </em><em>like</em><em> </em><em>terms</em><em>]</em>

= <em><u>- 2x + 7y (Ans)</u></em>

4 0
3 years ago
Can someone help me please):
Ray Of Light [21]
Its is a function. mentally connect the dots. run your pencil across the paper parallel to the y-axis. if none of the points have touch the pencil it is a function. another way to check. look at the X value of all the coordinates. if they are all different its a function.
3 0
3 years ago
Hey um this is confusing
aleksandr82 [10.1K]

Answer:

15.7

Step-by-step explanation:

Lets take a = 50.

Area of Sector =

\frac{a}{360} \pi {r}^{2}  \\  =  \frac{50}{360} \pi {6}^{2}  \\  =  \frac{50}{360} (3.14)(36) \\  = 15.7units {}^{2}

4 0
3 years ago
36 kg bag of cement was dropped losing one tenth of cement. How much was left in the bag of cement ?
kow [346]

Answer:

32.4kg

Step-by-step explanation:

if it loses one tenth of cement;

36kg×1/10

36kg/10

3.6kg was lost

to find the remaining ; 36kg - 3.6kg = 32.4kg is left in the bag

7 0
3 years ago
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You are on a ski trip with your friends. Your friend Meg asks you to lend her $250. Write down the conditions that will help you
Arisa [49]

whether you have the money to lend her

whether she offers you some collateral

whether she is creditworthy

whether she can repay the loan within a period that suits you

whether she offers to pay interest

4 0
3 years ago
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