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julsineya [31]
3 years ago
9

PLEASE HELP! A class has an average score of 75%. A test is taken with an average score of 60%. The test is graded on a curve so

that 60%=75%. If Emalie's original score is 72%, what is her new grade after the curve? This is real life, as I'm trying to figure out my exam grade believe it or not!​
Mathematics
1 answer:
lord [1]3 years ago
7 0

Answer:

1.032%

Step-by-step explanation:

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Can someone help me with these questions please?
kotykmax [81]

Step-by-step explanation:

You can solve systems of equations using either substitution or elimination.  For these problems, I recommend elimination.  I'll do the first one as an example.

-3x + 16y = 9

-4x + 8y = 12

Multiply the second equation by -2.

8x − 16y = -24

Add to the first equation (notice the y's cancel out).

(-3x + 16y) + (8x − 16y) = 9 − 24

5x = -15

Solve for x.

x = -3

Now you can plug this into either equation to find y.

-3(-3) + 16y = 9

9 + 16y = 9

y = 0

The solution is (-3, 0).

3 0
3 years ago
Slove the following equation.<br>6n - 3(n + 2) + 3(7n + 1) = 0​
Otrada [13]

Answer:

here is my working out to find answer, if u feel that the answer is wrong then do the reverse calculation by putting n value to the equation. hope u understood and stay safe!

6 0
2 years ago
Sasha is the manager at a factory.
FromTheMoon [43]

Answer:

Hi

I think the answer is 80 employees.

Step-by-step explanation:

15 employees - 390 wardrobes

Therefore 1200 divided by 15 equals 80

7 0
2 years ago
Kevin had a total of $320 to spend while shopping. He had spent $156 on video games. He wants to buy caps that are on sale for $
zloy xaker [14]

Maximum number of caps that Kevin can buy is 10.

Solution:

Total money for shopping = $320

Amount spent for video game = $156

Remaining amount that Kevin had = $320 – $156

                                                         = $164

Cost of each cap including tax = $15

$\text{Number of caps can buy }=\frac{\text { Remaining amount that Kevin had }}{\text { cost of each cap }}$

                                       $=\frac{164}{15}

                                      $=10\frac{14}{15}

Maximum number of caps that Kevin can buy is 10.

8 0
3 years ago
Car A travels 170 miles in 4 hours. Car B travels 306 miles in 4 hours. Car B travels 306 miles in 4 hours. Which car has the fa
sukhopar [10]

Answer:

car b

Step-by-step explanation:

car a = 170/4=42.5 mph

car b = 306/4=76.5 mph

7 0
3 years ago
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