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Anestetic [448]
4 years ago
5

What are the x-intercepts of the graph of the function f(x)=x2+4x-12

Mathematics
1 answer:
dimaraw [331]4 years ago
4 0
Two points cross the x-axis at (-6,0) and (2,0). The x-intercepts would be -6 and 2.
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A theatre has the capacity to seat two levels. The circle and the stalls. The ratio in the number of seats in the circle compare
Nady [450]

Answer:

<u>76.19%</u> is the percentage of occupancy on last Friday.

Step-by-step explanation:

<u><em>The question is incomplete, so the complete question is below:</em></u>

A\ theatre\ has\ the\ capacity\ to\ seat\ two\ levels. \ The\ circle\ and\ the\ stalls.\ The\ ratio\ in\ the\ number\ of\ seats\ in\ the\ circle\compared\ to\ the\ number\ of\ seats\ in\ the\ stalls\ is\ 2:5.\ Last\ Friday,\ the\ audience\ occupied\ all\ the\ 528\ seats\ in\ the\ circle\ and\ 2/3\ of\ the\ seats\ in\ the\ stalls.\ What\ is\ the\ percentage\ of\ occupancy\ of\ the\ theatre\ last\ Friday?

Now, to get the percentage of occupancy of the theatre last Friday.

Let x be all the seats in the stalls.

Total number of seats in the circle occupied by audience last friday = 528.

<em>According to question, 2 : 5 is the ratio in the number of seats in the circle compared to the number of seats in the stalls.</em>

<em>So, 2 is equivalent to 5.</em>

<em>And, 528 is equivalent to </em>x<em>.</em>

Now, to get the number of stalls by using cross multiplication method:

\frac{2}{5} =\frac{528}{x}

<em>By cross multiplying we get:</em>

<em />2x=2640<em />

<em>Dividing both sides by 2 we get:</em>

x=1320.

Total number of seats in the stalls = 1320.

Now, to get the people occupied seats in the stalls on last friday:

\frac{2}{3} \ of\ 1320\\\\=\frac{2}{3} \times 1320\\\\=880.

Thus, people occupied 880 seats in the stalls on last friday.

So, the total number of seats in the circle and stalls:

1320+528\\\\=1848.

And, the total number of seats people occupied last friday:

528+880\\\\=1408.

Now, to get the percentage of occupancy of the theatre last Friday:

\frac{1408}{1848} \times 100

=\frac{140800}{1848} \\\\=76.19\%.

Therefore, 76.19% the percentage of occupancy on last Friday.

8 0
4 years ago
Read 2 more answers
Match the simplified expressions
choli [55]
1.E
2.B
3.A
4.D
5.C





Top comment is right
5 0
4 years ago
Is 7/20 equal to 0.07
kaheart [24]

no

7/20 equal to 0.35


I hope that's help !

8 0
3 years ago
Read 2 more answers
Write an equation of the line that passes through (0, 6) and is parallel to y=5x−3.
dmitriy555 [2]
The answer should be y = 5x + 6
7 0
3 years ago
HELP PLS 30) PTS
Verdich [7]

Answer:

32 ; 20

Step-by-step explanation:

Middle section: 26

Sum of parallel lengths: 2 × 26 = 52

Ratio of the sides:

100% : 62.5%

8 : 5

5/(8+5) × 52

20

8/(8+5) × 52

32

6 0
4 years ago
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