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Nata [24]
4 years ago
8

It is almost the end of the grading period.I have 730 out of 880 points so far in my math class which means I currently have a B

(83%).There are 90 points remaining before grades come out.My teacher rounds each student's score to the nearest percent.What is the fewest number of points I need to get and end up with a grade of C (At least 70%) B (At least 80%) A ( At least 90%)
Mathematics
1 answer:
Murljashka [212]4 years ago
4 0
There is at least 90
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PLs i need halep fast plssssss
Delvig [45]

Answer:

b=44

b=44 - 9

b=44 + 5

x+x+x = 44

x + (x-9) + (x+5) = 44

3x - 4 = 44

+4

3x =48

÷3

x=16

So, first photo contains 16 birds.

x=16

(x-9) - - > 16-9 = 7

(x+5) - - >16+5=21

16 + 7 + 21 =44

Answer is 16 birds in first photo

Hope this helps!

6 0
3 years ago
PLEASE HELP! WILL GIVE BRAINLIEST IF CORRECT!
Rasek [7]

Answer:

first mark brainliest

8 0
3 years ago
Read 2 more answers
Is the following a fixed or a variable expense?
ollegr [7]

Answer:

A Because It's Called *Fixed*

Step-by-step explanation:

Sorry If it's Wrong

6 0
2 years ago
Read 2 more answers
Solve 4(3x+3)=15x+7-3x+5
Flura [38]

Answer:

Infinite amount of solutions

Step-by-step explanation:

Step 1: Write equation

4(3x + 3) = 15x + 7 - 3x + 5

Step 2: Solve for <em>x</em>

  1. Distribute 4: 12x + 12 = 15x + 7 - 3x + 5
  2. Combine like terms: 12x + 12 = 12x + 12
  3. Subtract 12 on both sides: 12x = 12x
  4. Divide both sides by 12: x = x

Here, we can see that <em>x</em> would be infinite amount of solutions. We can plug in any number <em>x</em> and it would render the equation true.

4 0
3 years ago
linda scored 35, 47, and 42 points on three tests. how many points should she get on the fourth test to get an average score of
aliya0001 [1]
(35 + 47 + 42 + x) / 4 = 50
(124 + x) / 4 = 50....multiply both sides by 4, cancelling the 4 on the left side.
124 + x = 50 * 4
124 + x = 200
x = 200 - 124
x = 76 <===
6 0
3 years ago
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