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ASHA 777 [7]
3 years ago
7

On the first math exam, 16 students received an A grade. On the second math exam,12 students received an A grade.what percentage

decrease is that?
Mathematics
1 answer:
Neko [114]3 years ago
8 0

Answer:

25%

Step-by-step explanation:

(16-12)/16=0.25

0.25×100=25

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Plz help me with this
never [62]
A) is right
b) just subtract ljm and kjm so 145-48 = 92°
c) 9x-25=7x+7 so here you put npq=mpq+mpn and you combine terms so it's now 2x=32 then divide by 2 on both sides and x= 16
now you just plug it into 3x-5 and you get 43°
3 0
3 years ago
How to do the problem I don't get it
DaniilM [7]
5 days * $125 daily fee + $??.?? Deposit = $700

5*125+x=700
 625+x=700
      x=75

$75 Deposit

I'm not sure what "the rate of change" is

sorry but i hope i helped


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5 0
3 years ago
Korie randomly selects a number from the numbers shown below. 54, 60, 11, 0, 5, 7, 20 What is the probability that the number sh
grandymaker [24]

Answer:

there is a greater chance that she selects a even number because there are 4 even numbers and 3 odd numbers

8 0
3 years ago
B) What should be subtracted from -7mn + 2m² + 3n² to get<br>m²+ 2mn + n²?<br>please help​
Hitman42 [59]

Answer: m²-9mn+2n²

Step-by-step explanation: make use of BODMAS strategy. Let the unknown be x.

-7mn+2m²+3n²-x= m²+2mn+n². Since we are concerned about getting the unknown,let's try to collect the like terms.

-7mn+2m²+3n²-(m²+2mn+n²)= x

-7mn+2m²+3n²-m²-2mn-n²= x

-7mn-2mn+2m²-m²+3n²-n²=x

-9mn+m²+2mn= x

X= m²-9mn+2n²

6 0
3 years ago
Can u help me in this <br> plz plz
e-lub [12.9K]

3. A square is a rhombus in which all the angles equal (to 90°).

4. 20 : 24 ratio that the ball picked wont be green

5. false

11. 15

12. half a chance (1/2)

13. 51

16. 9.79 × 10^-5

17. 4y = 29

18. b) 6.1

19. 80

20. x = -8/7

30. Area ≈ 7982.79

34. check the picture i attached for the histogram

THIS TOOK SO LONG

7 0
3 years ago
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