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aniked [119]
3 years ago
5

a school news paper estimates that their academic team will win 25 out of 30 matches for the season. After 15 matches, they have

won 12. If the team continues winning at this rate, what will be the percent error of the newspapers estimate once the season is over?
Mathematics
1 answer:
san4es73 [151]3 years ago
5 0
27% hope this helps:)
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(9b +9) + (4n - 4) + (6d + 2) =<br><br><br> Pleaseee help hurry
ANTONII [103]

Answer: 9b+4n+6d+7

Step-by-step explanation:

1. 9b+9+4n−4+6d+2

2. 9b+4n+6d+(9-4+2)

3. 9b+4n+6d+7

3 0
2 years ago
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Planes A and B intersect in line s. If point V is a point on line s, then it lies on: plane A only plane B only both plane A and
kirill [66]

Answer:

  both plane A and B

Step-by-step explanation:

All the points on the line of intersection lie in both planes. V lies in both plane A and plane B.

4 0
3 years ago
Right Triangle and Trigonometry , Please help!!! Will give Brainliest!!!
Harman [31]
That would be true because the adjacent side to B is 4 and the hypotenuse is 5 and the formula for cos b is adjacent/hypotenuse

Hope this helps!
3 0
3 years ago
Rewrite the equation 5x - 2y = 4 so it is in the form y = mx + b
muminat
Y=(5x-4)/2 first move -2y to the other side to obtain a positive value and make y the subject

8 0
3 years ago
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a 1ft long piece of wire needs to be divided into two pieces which will form the shape of a circle and a square. Determine the l
yan [13]

Answer:

Length of wire for circle is 0.44 ft

Length of wire for square is 0.56 ft

Step-by-step explanation:

Let x is circumference of the circle

then

(1-x) = perimeter of the square

Find the radius of the circle

r =  (x/2.π)

Find the area of the circle

a =  π(x/2π)^2

a =  π(x^2/4π^2)

Cancel π

a =  x^2/4π

Find the area of the square:

a =  (1-x/4)^2

a =  (1-2x+x^2)/16

Total area

A =  (x^2/4π)+(1-2x+x^2/16)

A = 4x^2+3.142-6.284x+3.142x^2

A = 7.142x^2-6.284x+3.142

Find the axis of symmetry [x = -b/(2a)]

x =  -(-6.284)/{2.(7.142)}

x =  6.284/14.284

x = 0.44 ft, the piece of wire creating a circle

and

1 - 0.44 = 0.56 ft, the piece of wire creating the square

These lengths should give minimum area of the circle and square together

7 0
2 years ago
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