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damaskus [11]
3 years ago
7

Ramiya is using the quadratic formula to solve a quadratic equation. Her equation is x = after substituting the values of a, b,

and c into the formula. Which is Ramiya’s quadratic equation? Quadratic formula: x = 0 = x2 + 3x + 2 0 = x2 – 3x + 2 0 = 2x2 + 3x + 1 0 = 2x2 – 3x + 1
Mathematics
1 answer:
Stels [109]3 years ago
3 0

Answer:

this is the answer

0 = x2 + 3x + 2

Step-by-step explanation:


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5x= 76.5-1.5

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Step-by-step explanation:

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Find the area and the circumference of a circle with diameter 4 ft
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Circumference is 12.56

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Svetradugi [14.3K]

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The theme is the monkey and the cookie jar

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The golden line is he was unwillingly not letting the cookies go but couldn't get his hand out

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3 0
3 years ago
The water level varies from 12 inches at low tide to 52 inches at high tide. Low tide occurs at 9:15 a.m. and high tide occurs a
balandron [24]
52 inches - 12 inches = 40 inches
amplitude:  a = 40 inches / 2 = 20 

<span>f(x)=20cos(bx)+c</span>
the value of c is 32... since the centre of the has been moved up 32 units

the minimum amplitude =  32 - 20 = 12
the maximum amplitude = 32 + 20 = 52

<span>f(x)=20cos(bx)+32</span><span>
if the curve takes 6 1/4 hours from low to high tides (9:15 am to 3:30 pm)  then it will take 12 1/2 hours to complete a full cycle.

adjust the period by converting 12 1/2 hours to an angle measure.

360</span>°/12 = 30° 
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12 1/2 = 360° + 15° = 375°

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f(x) = 20 * 0.97 + 32
f(x) = 19.4 + 32
f(x) = 51.4
5 0
3 years ago
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