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3 years ago

Please help me.. I really need it, and I will give you brainlyest:)))

Mathematics

2 answers:

Digiron [165]3 years ago

5 0

Answer:

sdasf sdf

Step-by-step explanation:

so how you ahsbdgkjsgdejgwqjda is how you ajsdbguyaweguidasdh to the question

qaws [65]3 years ago

4 0

Answer:

)0( 1/6 1/3 1/2 2/3 5/6 )1(

Step-by-step explanation:

Think about it, in the middle is 1/2 so work your way up from there.

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PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

andrezito [222]

Answer:

1 Spanish 90%

2.French 37%

3. Chinese 18%

Step-by-step explanation:

9/10 .......... 90/100 ........... 90%

37%.................. 37%

9/50............. 18/100 .......... 18%

4 0

3 years ago

What is the equation of the quadratic graph with a focus of (3, 1) and a directrix of y = 5?

telo118 [61]

Answer:

$f(x)=-\frac{1}{8}(x-3)^2+3$

Step-by-step explanation:

We want to find the equation of the parabola with a focus of $(3,1)$ and directrix $y=5$ .

Considering the directrix, the quadratic graph must open downwards.

The equation of this parabola is given by the formula,

$(x-h)^2=4p(y-k)$ , where $(h,k)$ is the vertex of the parabola.

The axis of this parabola meets the directrix at $(3,5)$ .

Since the vertex is the midpoint of the focus and the point of intersection of the axis of the parabola and the directrix,

$h=\frac{3+3}{2}=3$ and $k=\frac{5+1}{2}=3$ .

The equation of the parabola now becomes,

$(x-3)^2=4p(y-3)$ .

Also $|p|$ is the distance between the vertex and the directrix.

$|p|=2$

This implies that $p=-2\:or\:2$ .

Since the parabola turns downwards,

$p=-2$ .

Our equation now becomes,

$(x-3)^2=4(-2)(y-3)$ .

$(x-3)^2=-8(y-3)$ .

We make y the subject to get,

$y=-\frac{1}{8}(x-3)^2+3)$ .

This is the same as

$f(x)=-\frac{1}{8}(x-3)^2+3)$ .

4 0

3 years ago

Ben weighs 140.8 pounds, and Jennifer weighs 117.7 pounds. How many more pounds does Ben weigh than Jennifer?

DENIUS [597]

Answer:

Ben weighs 23.1 lbs more than Jennifer.

Step-by-step explanation:

To find the difference between Ben and Jennifer's weight, you have to subtract the smaller number from the bigger number. In this case, subtract Jennifer's weight from Ben's weight. This would look like this: 140.8-117.8.

140.8-117.7=23.1

Therefore, Ben weighs 23.1 lbs more than Jennifer.

8 0

3 years ago

I need an answer for this lolz

Ksenya-84 [330]

Answer:

Where is the coordinate plane?

Step-by-step explanation:

4 0

3 years ago

The cost of producing a new watch is $50. At a price of $100, watches will most likely be ____ and ____.

professor190 [17]

<span>The cost of producing a new watch is $50. At a price of $100, watches will most likely be sold and good.</span>

7 0

3 years ago