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andrezito [222]
3 years ago
11

. Of the 200 students surveyed in 5th grade, 120 prefer bananas and 80 prefer apples. what is the part to whole ratio?​

Mathematics
1 answer:
kaheart [24]3 years ago
7 0
120:200 prefer bananas, 80:200 prefer apples
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HELP ME PLEASE ECPLAIN WHY
stiv31 [10]

Answer:

A≈110.11

using formula 1/4\sqrt5(5+2\sqrt5)a2

Step-by-step explanation:

8 0
3 years ago
What is the slope of the line ?
svetlana [45]

Answer:

y = -3x + 4

Step-by-step explanation:

y = 4, this is where your line intersects with the y axis.

x = 1 is where your line is on the x axis (you want to include the part of the line that hits a point straight on, not one that goes past it.) So when it lands on the corner of the grids like the 4 for the y axis does, that is the point you are going to use.

Rise/Run is then your equation, so since you go down 3 and over 1 (counting from your y axis point), your slope is -3/1 or -3.

Then goes your y axis, so the final equation is

y= -3x + 4

I hope this helped!

3 0
2 years ago
The city designers drawing the road map for new housing development hurricane Ln runs through the coordinates (11, 5) and (-1, 1
AnnyKZ [126]

Answer:

-3

Step-by-step explanation:

Use slope formula to find the slope of the first road:

(y2 - y1) / (x2 - x1)

(1 - 5) / (-1 - 11)

-4 / -12

1 / 3

The slope of a line perpendicular to this line would just be the negative reciprocal of the slope:

-3 / 1 or just -3

8 0
2 years ago
Convert 7/12 to a percent
mr_godi [17]

Answer: Your Answer Is  58.3% (:

Step-by-step explanation: 7/12 Converted to a percent Is  58.3%. Hope This

Helps!!! (:

6 0
3 years ago
Read 2 more answers
Graph △ABC with vertices A(2, 3), B(−4, −3), and C(2, −3). Find the coordinates of the circumcenter.
Stolb23 [73]
Circumcenter = (-1,0)  
The circumcenter of a triangle is the intersection of the perpendicular bisectors of the sides of the triangle. So let's calculate a couple of the bisectors and determine their intersection. 
 Slope AB = (3 - -3)/(2 - -4) = (3+3)/(2+4) = 6/6 = 1
 Perpendicular bisector will have a slope of -1 and will pass through point ((2-4)/2,(3-3)/2) = -2/2,0/2) = (-1,0)
 Equation is of the form
 y = -x + b
 Substitute known point
 0 = -(-1) + b
 0 = 1 + b
 -1 = b
 So the equation for the perpendicular bisector of AB is
 y = -x - 1 
 Now let's calculate the perpendicular bisector of BC
 Slope BC = (-3 - -3)/(-4 - 2) = (-3 + 3) / (-6) = 0/-6 = 0. This means that the
line is horizontal and that the perpendicular bisector will be a vertical line with infinite slope. A point that line will pass through is ((-4 + 2)/2, (-3 + -3)/2) =
(-2/2, 0/2) = (-1,0). So the equation for the line is:
 x = -1 
 Now we want the intersection between
 x = -1 and y = -x - 1
 Since we know that x has to be -1, just substitute it into the 2nd equation.
 y = -x - 1
 y = -(-1) - 1
 y = 1 - 1
 y = 0
 
 So the circumcenter is (-1,0).
 Let's verify that. The distance from the circumcenter to each vertex of the triangle will be the same. Using the Pythagorean theorem, C^2 = A^2 + B^2. We're not going to bother taking the square root since if the squares are equal, then square roots will also be equal.
 Distance^2 from (2,3):
 (2- -1)^2 + (3-0)^2 = 3^2 + 3^2 = 9 + 9 = 18 
 Distance^2 from (-4,-3):
 (-4 - -1)^2 + (-3 - 0)^2 = -3^2 + -3^2 = 9 + 9 = 18 
 Distance^2 from (2,-3):
 (2 - -1)^2 + (-3 - 0)^2 = 3^2 + -3^2 = 9 + 9 = 18 
 The distances to all three vertexes is identical, so (-1,0) is verified as the circumcenter.
5 0
3 years ago
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