3 years ago

I need help Geometry

Mathematics

1 answer:

Bogdan [553]3 years ago

4 0

Answer:

can u show a picture so we can answer the question

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What multiplies to 45 and adds to 10

adelina 88 [10]

I dont think anything does.

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4 years ago

Write the equation for the parabola that has x− intercepts (−2,0) and (1.2,0) and y− intercept (0,−4).

schepotkina [342]

Answer: The answer is $15y+4=25(x-1.6)^2.$

Step-by-step explanation: We are to find the equation of the parabola with x-intercepts (-2,0), (1.2,0) and y-intercept (0,-4).

Therefore, axis of symmetry is

$x=\dfrac{1.2+2}{2}\\\\\Rightarrow x=1.6.$

Let the equation of the parabola be $y=a(x-1.6)^2+k.$

Substituting the points (x,y)=(0,-4) and (1.2,0) in the above equation, we find that

$-4=a(0-1.6)^2+k\\\\\Rightarrow k=-2.56a-4$

and

$0=a(1.2-1.6)^2+k\\\\\Rightarrow k=-0.16a.$

Solving the above two equations, we get

$a=-\dfrac{5}{3}~~\textup{and}~~k=-\dfrac{4}{15}.$

So, putting the values of 'a' and 'k' in the equation of the parabola, we get

$y=-\dfrac{5}{3}(x-1.6)^2-\dfrac{4}{15}\\\\\Rightarrow 15y+4=-25(x-1.6)^2.$

Thus, the equation of the parabola is $15y+4=25(x-1.6)^2.$

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4 years ago

3/12 = y/8 solve for y

PIT_PIT [208]

2 is the answer for y

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4 years ago

Directions: Reflect each figure across the line of reflection. Label all names and

klio [65]

2c would be the correct answer choice

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3 years ago

Find the value of x<br>If 2x = 100

Naya [18.7K]

Answer:

x=50

Step-by-step explanation:

If 2*x=100

Then x is :

x=100:2

x=50

8 0

3 years ago

Read 2 more answers