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Nikitich [7]
2 years ago
9

1. A day care center has 52 children. Each teacher has the same number

Mathematics
1 answer:
Nimfa-mama [501]2 years ago
3 0

Answer:

It depends on how many teacher has

Step-by-step explanation:

52 children divided by number of teacher

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What number is 40% of 720 I need work shown please show your work and don’t make it tricky thank you
vitfil [10]

Answer:

288

Step-by-step explanation:

40% divide by 100 will equal 0.4

then multiply 0.4 by 720 which equals to 288

4 0
2 years ago
what is the center of a circle whose equation is x2 + y2 – 12x – 2y + 12 = 0? o (-12,-2) o (-6, -1) o (6, 1) (12, 2)
Leno4ka [110]

Answer:

(6,1)

Step-by-step explanation:

1.) group the x and y terms (and move the constant to the other side)

x²-12x+y²-2y= -12

divide the coeficcents for the terms with just 1 or 1 x variable by 2 and then square it (and add that to both sides)

x²-12x+36+y²-2y+1= -12+36+1

factor

(x-6)²+(y-1)²= 25

the center is therefore (6,1)

7 0
3 years ago
I need help showing steps to solve 36v-12=12
Ad libitum [116K]
36v - 12 = 12 .....add 12 to both sides
36v - 12 + 12 = 12 + 12...simplify
36v = 24...divide both sides by 36
(36/36)v = 24/36
v = 2/3 <===
8 0
3 years ago
Read 2 more answers
Total surface area of a cube is 1014cm^2. It's volume will be :
Karolina [17]

Answer:

Option A (2197 cm³)

Step-by-step explanation:

For a cube with length of each side "a" , it's

  • Total Surface Area = 6a²
  • Volume = a³

_____________________________________________

According to the question ,

Total Surface Area = 1014 cm²

Let the length of each side of cube be 'a'.

Using the formula ,

6a^{2} =1014

=> a^{2} =\frac{1014}{6} = 169

=> a = \sqrt{169} = +13 \: or  -13

But length can't be negative . So , length of each side = 13 cm

∴ Volume of cube = 13³ = 2197 cm³

8 0
3 years ago
54 is 75% of
VLD [36.1K]
54 is 75% of x.

75% of x:
75 \% \ of \ x=75\% \times x= \frac{75}{100}x=\frac{3}{4}x

75% of x is (3/4)x and 75% of x is 54. Set (3/4)x equal to 54:
\frac{3}{4}x=54 \\&#10;x=54 \times \frac{4}{3} \\&#10;x=\frac{54}{3} \times 4 \\&#10;x=18 \times 4 \\&#10;x=72

54 is 75% of 72.
3 0
3 years ago
Read 2 more answers
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