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Elis [28]
3 years ago
11

I need help RIGHT NOW PLEASE HELP NOW!!!!ldentify the vertex of the graph. Tell whether it is a minimum or maximum. A (1-2); min

imum B (1 -2); maximum C (2,1); minimum D (-2, 1); maximum

Mathematics
1 answer:
larisa [96]3 years ago
3 0

Answer:

Answer D:  (-2, 1):  maximum

Step-by-step explanation:

This graph is that of a parabola that opens down.  The graph clearly has a maximum.  

That max is at x = -2 and y = 1:  (-2, 1) (Answer D).

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The figure shows two triangles on a coordinate grid:
svet-max [94.6K]

Answer:

Whats up good luck... sorry my answer didnt submit

Step-by-stp explanation:

4 0
2 years ago
The Gotemba walking trail up Mount Fuji is about 9km long. Walkers need to return from the 18km walk by 8pm. Toshi estimates tha
stiv31 [10]

Answer:

Toshi must begin his walk at 11:00 AM in order that he can return by 8:00 PM.

Step-by-step explanation:

Since the Gotemba walking trail up Mount Fuji is about 9km long, and walkers need to return from the 18km walk by 8pm, if Toshi estimates that he can walk up the mountain at 1.5km / h on average, and down at twice that speed , these speeds taking into account meal breaks and rest times, to determine what is the latest time he can begin his walk so that he can return by 8pm the following calculation must be performed:

Climb: 1.5 km / h

Descent: 2 x 1.5 km / h = 3 km / h

Climb: 9 km / 1.5 km / h = 6 hours

Descent: 9km / 3 km / h = 3 hours

Total: 9 hours

8 PM = 20:00

20:00 - 09:00 = 11:00

Thus, Toshi must begin his walk at 11:00 AM in order that he can return by 8:00 PM.

3 0
3 years ago
lie is solving the quadratic equation by completing the square. 3x2 + 18x – 8 = 0 3x2 + 18x = 8 What should Lie do next?
ruslelena [56]
Divide 18 by 2(9) then square that (81). add 81 to both sides
3 0
3 years ago
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PLEASE HELP NEED ASAP WILL MARK THE BRAINLIEST
harkovskaia [24]

Answer:

idk

Step-by-step explanation:

idk

7 0
3 years ago
Consider an urn containing 8 white balls, 7 red balls and 5 black balls.
weqwewe [10]

Answer + Step-by-step explanation:

1) The probability of getting 2 white balls is equal to:

=\frac{8}{20} \times \frac{7}{19}\\\\= 0.147368421053

2) the probability of getting 2 white balls is equal to:

=C^{2}_{5}\times (\frac{8}{20} \times \frac{7}{19}) \times (\frac{12}{18} \times \frac{11}{17} \times \frac{10}{16})\\=0.397316821465

3) The probability of getting at least 72 white balls is:

=C^{72}_{150}\times \left( \frac{8}{20} \right)^{72}  \times \left( \frac{7}{20} \right)^{78}  +C^{73}_{150}\times \left( \frac{8}{20} \right)^{73}  \times \left( \frac{7}{20} \right)^{77}  + \cdots +C^{149}_{150}\times \left( \frac{8}{20} \right)^{149}  \times \left( \frac{7}{20} \right)^{1}  +\left( \frac{8}{20} \right)^{150}

=\sum^{150}_{k=72} [C^{k}_{150}\times  \left( \frac{8}{15} \right)^{k}  \times \left( \frac{7}{15} \right)^{150-k}]

5 0
11 months ago
Read 2 more answers
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