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kvasek [131]
3 years ago
13

How many times does 12 go into 648

Mathematics
2 answers:
frozen [14]3 years ago
8 0
12 can go into 648 54 times. :)
egoroff_w [7]3 years ago
7 0
It goes in there 54 times



please can i have a brainliest
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What is the volume of a sphere with a diameter of 15 cm? Round the answer to the nearest whole number.
AveGali [126]

Answer:

1767 cm³

Step-by-step explanation:

We can use volume V = 4/3 π r³

We have diameter of 15 cm. To get radius, we need to divide diameter by 2.

r = 7.5 cm

So now plug in r = 7.5 then calculate V:

V = 4/3 π ( 7.5 )³

V =  4/3 π * 421.875 ≈ 1767.145 ≈ 1767

Hope this helps.

8 0
3 years ago
The equation 2x^2 + x - 1 = 0 has two solutions. Find an equation of the form ax^2 + bx + c = 0, which solutions....
leonid [27]

Answer:

Step-by-step explanation:

Let the solution to

2x^2 + x -1 =0

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Hence a + b = -(1/2) ( minus the coefficient of x )

ab = -1/2 (the constant)

A. We want to have an equation where the roots are a +5 and b+5.

Therefore the sum of the roots is (a+5) + (b+5) = a+ b +10 =(-1/2) + 10 =19/2.

The product is (a+5)(b+5) =ab + 5(a+b) + 25 = (-1/2) + 5(-1/2) + 25 = 22.

So the equation is

x^2-(19/2)x + 22 =0

2x^2-19x + 44 =0

B. We want the roots to be 3a and 3b.

Hence (3a) + (3b) = 3(a+b) = 3(-1/2) =-3/2 and

(3a)(3b) = 9(ab) =9(-1/2)=-9/2.

So the equation is

x^2 +(3/2) x -9/2 = 0

2x^2 + 3x -9 =0.

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3 years ago
Imagine a 8x8 chessboard, with king beginning from top left by how many routes can he reach bottom right
inna [77]
At least 8 routes, at most 63 routes
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3 years ago
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bro which class question is this then I can help you with ur question

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3 years ago
What’s the answer for 9x = 72
aleksklad [387]

Answer:8

Step-by-step explanation: Since the opposing way of solving is division, you divide 72 into 9 and you get 8.

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3 years ago
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