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Roman55 [17]
3 years ago
10

What divided by 8 equals 2.5

Mathematics
2 answers:
Mama L [17]3 years ago
5 0

Answer:

20

Step-by-step explanation:

Do the opposite to get the answer

8*2.5=20

Then to check it

20/8=2.5

Gala2k [10]3 years ago
3 0
8x2.5=20 So Just Reverse It
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If area of a circle is 49/64 pie cm square,then find the circumference of the circle?​
tresset_1 [31]

Answer:

7/4 * pi

Step-by-step explanation:

Area of circle = pi * r^2

Find radius:

pi * 49/64 = pi * r^2

49/64 = r^2

7/8= r

Circumference of circle = 2pi * r

2 * pi * (7/8) = 7/4 * pi

Assuming that the answer is in terms of pi as the question is in terms of pi

8 0
2 years ago
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What are the solutions to the quadratic equation -2x^2 + 6x + 3 = 0?
mario62 [17]

For this, we will be using the quadratic formula, which is x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}, with a=x^2 coefficient, b=x coefficient, and c = constant. Our equation will look like this: x=\frac{-6+/-\sqrt{6^2-4*(-2)*3}}{2*(-2)}


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Next, do the addition: x=\frac{-6+/-\sqrt{60}}{-4}


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5 0
3 years ago
One line passes through the points (-7,5)
Studentka2010 [4]

Answer:

1. (-7, 5 ) and (-1, 3)

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y - 5 = (-1/3)(x + 7)

y - 5 = (-1/3)x - 7/3

y - 15/3= (-1/3)x - 7/3

y = (-1/3)x + 8/3

2. (-1-3)/(3-0)= -4/3

y + 3 = (-4/3)(x + 1)

y + 3 = (-4/3)x - 4/3

y + 9/3 = (-4/3)x - 4/3

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RideAnS [48]

Answer:

Domain: {-3, -1, 1}

Range: {-1, 2, 4, 5}

Step-by-step explanation:

The domain is all the x-values, and the range is all the y-values. When listing values, repeated values are only written down once.

6 0
2 years ago
16 out of 24 in simplest form
Aleks [24]
Do you mean 16/24 in simplest form? In that case it would be

16/24 = 8/12 = 4/6 = 2/3
4 0
3 years ago
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