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3 years ago

I do not understand what I did wrong. Can someone please help me answer this question?

Mathematics

1 answer:

Andrei [34K]3 years ago

5 0

Maybe try 48%
i think it's asking for the percentage

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Why is the inequality is o equillant<br> To The inequality x-5€6-5?

ser-zykov [4K]

Answer:

fi9ovdfv8u9reiovre8ckl

Step-by-step explanation:

caeerqvf3e-=qrfvrqfeqcmijkcqerv=c

4 0

4 years ago

-0.2x^2+0.9x+0.6=y<br>What's the vertex form for this equation?

hjlf

Answer: y = -0.2(x - 2.25)² + 1.6125

<u>Step-by-step explanation:</u>

$y = -0.2x^2 + 0.9x + 0.6\\\\y - 0.6 = -0.2x^2 + 0.9x\\\\y - 0.6 =-0.2(x^2-4.5x)\\\\y-0.6+\underline{(-0.2)(2.25)^2}=-0.2(x^2-4.5x+\underline{2.25^2})\\\\y-0.6-1.0125=-0.2(x-2.25)^2\\\\y-1.6125=-0.2(x-2.25)^2\\\\y=-0.2(x-2.25)^2+1.6125$

6 0

4 years ago

What is the correct answer NEED ASAP PLEASE

Rudik [331]

Answer:

1 solution

Step-by-step explanation:

x^2 - 14x + 49 = 0

Factor the expression:

x - 7

------------------------

x | x^2 | - 7x |

- ------------------------

7 | - 7x | 49 |

------------------------

(x - 7)^2 = 0

x - 7 = 0

x = 7

8 0

3 years ago

The equation of a circle is ( x - 3) 2 + ( y + 2) 2 = 25. The point (8, -2) is on the circle.

Shtirlitz [24]

Answer:

x =8 is the equation of the tangent.

Step-by-step explanation:

Here the equation of the given circle is: $(x-3)^{2} + (y+2)^{2} = 25$

Now, comparing it with the general equation of circle: $(x-h)^{2} + (y -k)^{2} = r^2$

we get the central coordinates (h,k) = (3,-2)

So, the slope of the line joining center and (8, -2) = $\frac{-2 -(-2)}{8-3} = \frac{0}{5} = 0$

Since the slope of line = 0, line is parallel to x axis.

Now, as tangent and the line is perpendicular to each other

⇒Slope of the tangent = -1/ slope of the line = $\frac{-1}{0}$

Now, by point slope formula: the equation of the tangent is

(y-y0) = m (x-x0)

or, $(y +2) = \frac{-1}{0} (x -8)$

or x =8 is the equation of the tangent.

8 0

3 years ago

50 POINTS ANSWER QUICK

Andreyy89

Answer:

part a= -1

part b= -4

Step-by-step explanation:

f(x) is y. plug in -4 for y and check x

6 0

3 years ago

Read 2 more answers