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Troyanec [42]
3 years ago
7

Can someone help me please?

Mathematics
1 answer:
Rashid [163]3 years ago
8 0
Idk your best bet is to look it up online thats what i do often
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Calculate the mean number of students per class at watch school. Write your answers in sentences that explain what the means rep
Tpy6a [65]
To find the mean you add all the numbers then divide the sum by how many numbers there are :

1)Ford School
   
21+19+20=60

there are 3 numbers in the equation so you divide 60 by 3 :

60÷3=20

the mean for Ford School is 20

2)Carter School

41+36+37=114

there are 3 numbers in the equation so you divide 114 by 3 :

114÷3=38

the mean for Carter School is 38

hope this helps
6 0
2 years ago
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3 + 4n + n = 2n + 15
Reika [66]

Answer:

the answer is n=4

Step-by-step explanation:

4 0
3 years ago
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2. An aquarium has display tanks that each
Sindrei [870]

Answer:

1050

Step-by-step explanation:

175*6=1050

3 0
3 years ago
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Solve -3y + 12 = -48
fenix001 [56]

Answer:

-3y +12 = -48

-3y = -60

y = -60/-3

y = 20

Step-by-step explanation:

7 0
2 years ago
The ratio of the length and breadth of a rectangle is 5:4 and its area is 180 cm
Fed [463]

Answer:

Length = 15 cm, width = 12 cm, Perimeter = 54 cm

Step-by-step explanation:

The ratio of the length and breadth of a rectangle is 5:4 and its area is 180 cm².

Length = 5x

Breadth = 4x

Area of rectagle,

A = bl

180 = 5x × 4x

180 = 20x²

x² = 9

x = 3

Length = 5x = 5(3) = 15 cm

Width = 4x = 4(3) = 12 cm

Perimeter of rectangel,

P = 2(l+b)

= 2(15+12)

= 54 cm

Hence, this is the required solution.

6 0
2 years ago
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