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Anarel [89]
3 years ago
5

Of a classroom filled with 20 students, 2 will be selected to stay after school and correct homework for extra credit. How

Mathematics
2 answers:
babymother [125]3 years ago
5 0

Answer:

10 pair

Step-by-step explanation:

20/2=10

10 pairs of students staying after school for extra credit

Tcecarenko [31]3 years ago
3 0

Answer: 10

Step-by-step explanation:

20/2=10

pairs of two

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Help fast please lol
igomit [66]

Answer:

Between 0 and 3: decreasing

Between 3 and 4: constant (stays the same)

Between 4 and 8: decreasing

Step-by-step explanation:

6 0
3 years ago
5 litres of paint cost 210 work out the cost of 50 L of paint​
krek1111 [17]

Answer:

2100

Step-by-step explanation:

5/210=50/x

x= 50*210 / 5

x= 2100

4 0
3 years ago
2n +9+5n=30 need help on this
Rus_ich [418]
2n+9+5n=30  combine like terms on left side

7n+9=30  subtract 9 from both sides

7n=21  divide both sides by 7

n=3
8 0
3 years ago
Read 2 more answers
A recipe calls for 2 tablespoons of sugar for every 7 tablespoons of flour. If you plan on tripling the recipe what is the ratio
Karo-lina-s [1.5K]

you basically have to times it by 3 so

2:7

4:14

6:21

the answer would be 6 tablespoons of sugar to 21 tablespoons of flour

3 0
4 years ago
Read 2 more answers
What does (2x−2)(3x+5) equal?
saw5 [17]

Answer:

6x² + 4x + 10

Step-by-step explanation:

(2x - 2)(3x + 5)

2x(3x + 5) - 2(3x + 5)

6x² + 10x - 6x + 10

6x² + 4x + 10 ans.

hope this helps you !

4 0
2 years ago
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