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alisha [4.7K]
3 years ago
11

How can you check the reasonableness of your solution

Mathematics
1 answer:
storchak [24]3 years ago
6 0

You would basically go back and trace all your steps, that's what I do. And if your answer seems reasonable then you have the right answer but if your work doesn't match the answer than you've messed up.   I hope I helped if I did like my answer and comment down below thx

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Determine the intercepts of the line.
vredina [299]

Screenshot:

y intercept = 0 , 2.5

x intercept = 3.5 , 0

6 0
3 years ago
Read 2 more answers
an ellipse has a center at the origin , a vertex along the major axis at (13,0), and a focus at (12,0). What is the equation of
-BARSIC- [3]

Answer:

The answer to your question is below

Step-by-step explanation:

Data

Center = (0, 0)

Vertex = (13, 0)

Focus = (12, 0)

Process

From the data we know that it is a horizontal ellipse.

1.- Calculate "a", the distance from the center to the vertex.

                  a = 13

2.- Calculate "c", the distance from the center to the focus

                  c = 12

3.- Calculate b

Use the Pythagorean theorem to find it

                  a² = b² + c²

-Solve for b

                  b² = a² - c²

-Substitution

                  b² = 13² - 12²

-Simplification

                  b² = 169 - 144

                  b² = 25

                  b = 5

4.- Find the equation of the ellipse

                       \frac{x^{2} }{13^{2}} + \frac{y^{2}}{5^{2}} = 1    or \frac{x^{2} }{169} + \frac{y^{2}}{25} = 1

7 0
3 years ago
HELP ME PLZZ I DONT UNDERSTAND THIS!!!!!!
sweet-ann [11.9K]

Answer:

1/2

Step-by-step explanation:

y =  kx

where k is the constant of proportionality

y = 1/2 x  so k= 1/2

4 0
3 years ago
Anyone can help me with math for solving for a side in the right triangles for khan academy
Elden [556K]

Answer:

7.45

Step-by-step explanation:

We are given a right triangle with one side length known and an angle know so we can use some trigonometry.

You need to find the hypotenuse so you are going to use either sine or cosine.

Since the adjacent from the angle is given (SOH-CAH-TOA) we can use cosine so,

cos(20) = 7/h

=>h = 7/cos(20)

=> 7.44924

=> 7.45

6 0
3 years ago
Anything that has mass and takes up space is
kvasek [131]
Matter is anything that takes up space and has mass.
8 0
3 years ago
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