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sasho [114]
2 years ago
13

Use the information provided to write the standard form equation of each parabola. (Plzzzz help me)

Mathematics
1 answer:
Nikolay [14]2 years ago
8 0

Answer:

I think you are in a test..You should do by your own

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Write an exponential model given the points ( 7, 12 ) and ( 8, 25 ). Round to the nearest hundredth.
inna [77]

Answer:

The exponential model is y = 0.07\cdot e^{0.73\cdot x}.

Step-by-step explanation:

The exponential model can be modelled by the following mathematical expression:

y = A\cdot e^{B\cdot x} (1)

Where:

x - Independent variable.

y - Dependent variable.

A, B - Coefficients.

If we know that (x_{1}, y_{1}) = (7,12) and (x_{2}, y_{2}) = (8,25), then we get the following system of equations:

A\cdot e^{7\cdot B} = 12 (2)

A\cdot e^{8\cdot B} = 25 (3)

If we divide (3) by (2), we calculate the value of B:

e^{B}=\frac{25}{12}

B = \ln \frac{25}{12}

B \approx 0.734

And by (2), we determine the value of A:

A = 12\cdot e^{-7\cdot B}

A = 0.0704

The exponential model is y = 0.07\cdot e^{0.73\cdot x}.

4 0
2 years ago
Find the missing side and angles.
sweet [91]

Answer:

Step-by-step explanation:

This is an equilateral triangle.

The altitude bisects the 60 degree angle, so a=30

b=60 since its an interior angle of the isosceles triangle.

e = 4 since the two triangles formed by the altitude are congruent.

c = 8 since the side length is 4 + 4 = .

f = 4sqrt3 by the properties of 30 60 90 triangles.

5 0
1 year ago
Find the difference if the following sequence: -7, -9, -11
fredd [130]
They are adding (-2)
7 0
3 years ago
Read 2 more answers
HELP PLEASE I NEED HELP
Vesna [10]

C. \: 8 \sqrt{3}✅

Step-by-step explanation:

\sqrt{192}  \\  =  \sqrt{2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 3}  \\  =   \sqrt{ {2}^{2} \times  {2}^{2} \times  {2}^{2}    \times 3}  \\ =  \sqrt{ {8}^{2} \times 3 }    \\ =  8\sqrt{3}

\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘

4 0
3 years ago
Jed and Cagney's neighbor ran 16.9 miles in just 2 hours today.
IgorC [24]

Answer:

B | 8.45 miles per hour.

Step-by-step explanation:

8.45 x 2 is 16.9.

7 0
2 years ago
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