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3 years ago

A parabola has a maximum value of 4 at x= -1, a y-intercept of 3, and an x-intercept of 1.

Mathematics

2 answers:

Scilla [17]3 years ago

7 0

well none of the answer choices match up with all these statements ...

C. it only matches up with the y-intercept given

D. it matches with the y-intercept, and the x- intercept is not quite on the 1

*but i would say C is the closest, because it has an x-intercept of -1 and the maximum point is at (1,4) ... which are the same with the given statements except that they have opposite signs, but yeah i have no clue*

4vir4ik [10]3 years ago

7 0

Answer:

The answer is C

Step-by-step explanation:

Plz mark as Brainliest

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1+cos2A/cos2A = tan2A/tanA prove LHS=RHS

son4ous [18]

$RTP: \frac{1 + cos(2A)}{cos(2A)} = \frac{tan(2A)}{tan(A)}$

$LHS = \frac{1 + cos(2A)}{cos(2A)}$
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$= \frac{\frac{1 + tan^{2}(A) + 1 - tan^{2}(A)}{1 + tan^{2}(A)}}{\frac{1 - tan^{2}(A)}{1 + tan^{2}(A)}}$
$= \frac{2}{1 - tan^{2}(A)}$
$= \frac{2}{1 - tan^{2}(A)} \cdot \frac{tan(A)}{tan(A)}$
$= \frac{\frac{2tan(A)}{1 - tan^{2}(A)}}{tan(A)}$
$= \frac{tan(2A)}{tan(A)}$
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4 years ago

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Delvig [45]

Answer:

Step-by-step explanation:

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(15/2, -5/2)

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Read 2 more answers

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Galina-37 [17]

Answer:

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Figure abcd is parallelogram. What are measures of B and D?

nika2105 [10]

Answer:

Both are 55

Step-by-step explanation:

To solve this problem, set the equations equal to each other, solve for n, then plug in the values

Solve for n:

1. 2n+15=3n-5

2. Add 5 to both sides

3. Now you have 2n+20=3n

4. Subtract 2n from both sides

5. You are left with n=20

Next, plug it in:

1. Replace all n's with 20

2. 2(20)+15=55

3. 3(20)-5=55

There you go! Hope this helps!

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Rzqust [24]

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