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Vlad1618 [11]
2 years ago
8

What is 3/8 + 1 1/4 equal to?​

Mathematics
2 answers:
garik1379 [7]2 years ago
6 0

Answer:

25/8

Step-by-step explanation:

  • make the denominator in 11/4 equal the denominator 3/8
  • multiply 11/4 by 2/2
  • get 22/8
  • add 3/8 and 22/8
  • your answer is 25/8
Wittaler [7]2 years ago
4 0

Answer:

3/8 + 1 1/4 equals to <u><em>1.625</em></u>

Step-by-step explanation:

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A parabola can be drawn given a focus of (5, -3) and a directrix of y=1. Write the equation of the parabola in any form.
Anna71 [15]

Answer:

(x²-10x+33)/(-8) = y

Step-by-step explanation:

The distance between any point on a parabola from both its focus and directrix are the same.

Let's say we have a point (x,y) on the parabola. We can then say that using the distance formula,

\sqrt{(x-5)^2+(y-(-3))^2}is the distance between (x,y) and the focus. Similarly, the distance between (x,y) and the directrix is |y-1| (I use absolute value here because distance is always positive). We can find this equation by taking the shortest distance from the point to the line. Because the closest point to the line will be the same x value as the point itself, the distance is simply the distance between the y value of the point and the y value of the directrix.

Equating the two equations given, we have

\sqrt{(x-5)^2+(y-(-3))^2} = |y-1|

square both sides to get

(x-5)²+(y+3)²=(y-1)²

expand the y components

(x-5)² + y²+6y+9 = y²-2y+1

subtract y²+6y+9 from both sides

(x-5)² = -8y - 8

expand the x components

x²-10x+25 = -8y - 8

add 8 to both sides to isolate the -8y

x²-10x+33 = -8y

divide both sides by -8 to isolate y

(x²-10x+33)/(-8) = y

6 0
2 years ago
5/9 , 4/15 ,dan 3/5
vichka [17]
4/15, 5/9 and 3/5.

Hope this helps! :)
5 0
3 years ago
Find the mean of 3,2,4,6,5,6,1,7,9,8,10​
LenaWriter [7]

Answer:

5\frac{6}{11}

Step-by-step explanation:

Number of Values = 11.

Mean = Sum of values / Number of Values

= \frac{3+2+4+6+5+6+1+7+9+8+10}{11} \\=\frac{61}{11} \\= 5\frac{6}{11}

5 0
2 years ago
Yet another prodigy question i'm stuck on
yanalaym [24]

Answer:

853

Step-by-step explanation:

u have 20HP

u dead

5 0
2 years ago
Read 2 more answers
42 watts used in 3 seconds
denis-greek [22]
So am I supposed to divide or multiply
5 0
3 years ago
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