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Nitella [24]
3 years ago
7

Can someone help plz ​

Mathematics
1 answer:
il63 [147K]3 years ago
4 0

Answer:

C. (2, 6)

Step-by-step explanation:

The should be in the purple area because if you plug in (0,0) for both inequalities,

0 < 6

and

0> -4

it means the solutions of the both system include (0,0)

The graph of the first inequality is the one on the top and the graph of the second inequality is the one at the botton.

The solution to the first inequality is the blue and the purple part

while the solution to the second inequality is the pink and the purple part.

The only overlapping area of both inequalities are purple and only (2,6) in the answer choice is included in the purple area.

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What is the slope of the line shown below?
sashaice [31]

Answer:

D

Step-by-step explanation:

We can first eliminate options A and B because they are both negative slopes and the graph shown is an increasing slope, meaning the answer is positive.

Next, we calculate the slope with the formula (y2 - y1) / (x2 - x1) to get 1/4.

1/4 is the slope.

5 0
3 years ago
I only have 70 pointsssssssss
Dmitrij [34]

Answer:

5

Step-by-step explanation:

The equation given is put in slope intercept form

y = mx + b

where m = slope and b = y intercept

the number before the x represents the slope (m) , Because 5 is the number before the x,  5 is the slope

8 0
3 years ago
Find the Central arc measure
tatiyna

Answer:

The central arc measure is 125.

5 0
3 years ago
FILL IN THE BLANK
IgorLugansk [536]
Now, we know that he's charging $12 per session to each of his students, and he has 14 students currently, so his revenue is just 14 * 12 or 168 bucks.

now, let's take a peek as the session price goes up in jumps of 2, from 12, to 14, 16, 18 and so on, as each jumps happen, the students drop by 1, from 14, to 13, to 12 and so on.

\bf \begin{array}{ccccllll}&#10;\stackrel{increase}{x}&\stackrel{new}{price}&students&\stackrel{revenue}{y}\\&#10;------&------&------&------\\&#10;0&12&14&168\\&#10;1&14&13&182\\&#10;2&16&12&192\\&#10;3&18&11&198\\&#10;\boxed{4}&20&10&\boxed{200}\\&#10;5&22&9&198\\&#10;6&24&8&192\\&#10;7&26&7&182\\&#10;8&28&6&168\\&#10;..&..&..&..&#10;\end{array}

notice, the revenue starts off at 168, goes up up, reaches 200 bucks and then starts to drop back down.

thus, that means the U-turn or vertex of that revenue function is at 4,200, namely h = 4, and k = 200

\bf \qquad \textit{parabola vertex form}\\\\&#10;\begin{array}{llll}&#10;\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\&#10;x=a(y-{{ k}})^2+{{ h}}&#10;\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\&#10;-------------------------------\\\\&#10;\stackrel{c(x)}{y}=a(x-\stackrel{h}{4})\stackrel{k}{+200}&#10;\\\\\\&#10;\textit{now, we also know that }&#10;\begin{cases}&#10;x=2\\&#10;y=192&#10;\end{cases}\implies 192=a(2-4)^2+200&#10;\\\\\\&#10;-8=a(-2)^2\implies -8=4a\implies \cfrac{-8}{4}=a\implies -2=a&#10;\\\\\\&#10;

\bf therefore\qquad \stackrel{ c(x)}{y}=-2(x-4)^2+200\impliedby \textit{let's expand that}&#10;\\\\\\&#10;y=-2(x^2-8x+16)+200\implies y=-2x^2+16x-32+200&#10;\\\\\\&#10;\stackrel{y}{c(x)}=-2x^2+16x+168
3 0
3 years ago
Read 2 more answers
Drag the tiles to the boxes to form correct pairs.
Zarrin [17]

Answer:

0.65 more than -4.35  =  to -3.70

1.98 added to 3.13      =    5.11

4.34 added to -8       =     -3.66

9.14 + (-9.14)      =     0

watch ur signs

3 0
3 years ago
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