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o-na [289]
2 years ago
12

ali sorced 66 and 72 marks respectively. for his two tests what is the lowest marks he must have sorced for his third test if an

average score of at least 75 is required to qualify for a bonus prize
Mathematics
1 answer:
dimaraw [331]2 years ago
6 0

Answer:

87

Step-by-step explanation:

66 + 72 + 87 = 225

225 / 3 = 75

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4x-10=30<br> 2n-7=30 <br> S/3+2=4
emmasim [6.3K]

Answer:

x=10 n=18.5 s=6

Step-by-step explanation:

4x-10=30

Add 10 to both sides

4x-10+10=30+10

4x=40

Divide by 4 on both sides

(4x)/4=40/4

x=10

2n-7=30

Add 7 to both sides

2n-7+7=30+7

2n=37

Divide by 2 on both sides

(2n)/2=37/2

n=18.5

(s/3)+2=4

Subtract 2 from both sides

(s/3)+2-2=4-2

(s/3)=2

Multiply by 3 on both sides

3s/3=2*3

s=6

6 0
3 years ago
This Histogram displays the prices in thousands of dollars of seven cars
Katarina [22]

Answer:

b

Step-by-step explanation:

The median price is between $20,000 and $30,000.

i got it right on the quiz :)

8 0
3 years ago
The factors of a number are given below:<br>1,2,4,5,8,10,16, 20, 40, 80<br>What is the number?​
____ [38]

Answer:

80

Step-by-step explanation:

80 is divisible by all of the factors given.

3 0
3 years ago
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I’ve been missing school a lot for personal reasons,can i get help with this one ?
Alecsey [184]

Step-by-step explanation:

boom therrs tha answer

4 0
2 years ago
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there are 15 people in a book club. ten people read for an average of 65 minutes each day. The remaining people read for an aver
serg [7]
Average of 10 people = 65

65 × 10 = 650

average of 5 people = 35

35 × 5 = 175

650 + 175 = 825

825 ÷ 15 = 55

the average reading time for the entire book club each day is 55 minutes a day
8 0
3 years ago
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