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NARA [144]
3 years ago
13

Match the parabolas represented by the equations with their foci. Tiles y = -x2 + 4x + 8 y = 2x2 + 16x + 18 y = -2x2 + 5x + 14 y

= -x2 + 17x + 7 y = 2x2 + 11x + 5 y = -2x2 + 6x + 5 Pairs Focus Equation of Parabola (-2.75, -10) arrowBoth (2, 11.75) arrowBoth (-4, -13.875) arrowBoth (1.25, 17) arrowBoth
Mathematics
1 answer:
alexdok [17]3 years ago
7 0
Given:
<span>y = -x2 + 4x + 8
y = 2x2 + 16x + 18
y = -2x2 + 5x + 14
y = -x2 + 17x + 7
y = 2x2 + 11x + 5
y = -2x2 + 6x + 5 

Standard formula : y = ax</span>² + bx + c  ;  -(b/2a) is the x-coordinate of the vertex. Substitute the value of x to find the value of y.

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Using pi 3 what is the answer
konstantin123 [22]

Answer:

12mm

Step-by-step explanation:

circumference (distance around) is equal to πd.

here, if π is 3, we do 3 x the diameter, which is 4. 3 x 4 = 12mm

6 0
3 years ago
A car rental company offers the following two plans for renting a car:
AveGali [126]

Answer:

181.818181...Miles

Step-by-step explanation:

50 = 30 + 11X

X = 181.81818181...

If you multiply 11 by 181.81 repeting you will get 20 and 30 + 20 = 50

So You would have to go 181.81 repeating miles for it to be equal

If you are rounding up it would be 182 miles to justify choosing plan B

3 0
2 years ago
What is the slope of the line that passes through the points e(-1,4) and f(2,6)?
Marysya12 [62]
(-1,4)(2,6)
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4 0
3 years ago
ANSWER QUICKLY PLEASE
Jet001 [13]

Answer:

answer below:)

Step-by-step explanation:

sin C= \frac{opposite side}{hypotenuse side}= \frac{7}{25}

cos C= \frac{adjacent side}{hypotenuse side}= \frac{24}{25}

tan C=\frac{opposite side}{adjacent side}= \frac{7}{24}

8 0
3 years ago
I need help with finding the sum of (x^4 + 2x^3 - 7x - 9) + (x^5 - 2x^4 + 8x + 18) in standerd form
Lilit [14]

Answer:

Step-by-step explanation:

(x^4 + 2x^3 - 7x - 9) +

(x^5 - 2x^4 + 8x + 18)

x^5 - x^4 + 2x^3 + x + 9

3 0
3 years ago
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