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galina1969 [7]
2 years ago
13

What is the vertex of the graph of y = –x2? (–1, 0) (0, –1) (0, 0) (1, 1)

Mathematics
1 answer:
mestny [16]2 years ago
4 0

Answer:

The vertex is (0, 0).

Step-by-step explanation:

Check out the parent function:  y = x^2.  The graph is a parabola whose vertex is (0, 0) and which opens upward.

Then y = -x^2 is the same but opens downward.  The vertex is (0, 0).

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Someone please help!!
Katena32 [7]

After solving for both variables, you find that each bus can hold 59 students and each van can hold 18 students.

Step-by-step explanation:

You can find the amount of students each vehicle can carry by representing the two scenarios in equations.

You are trying to find how many students will fit in each bus or van, so the two variables used will be "b" to represent how many students can fit in a bus and "v" to represent how many students can fit in a van.

High school A used 1 van and 6 buses, so there will be 1"v" and 6"b" for 372 students.

High school B used 4 vans and 12 buses, so there will be 4"v" and 12"b" for 780 students.

Now, represent these in equations:

v+6b = 372\\4v + 12b = 780

We can use substitution to solve this system:

v + 6b = 372 can be rewritten as v = 372 - 6b after subtracting 6b from both sides. You can then substitute this new value of "v" into the other equation to solve for "b":

4(372-6b) + 12b = 780\\1488 - 24b + 12b = 780\\1488 - 12b = 780\\-12b = -708\\b = 59

After solving for b, you can then substitute the new value of b into the other equation to find the value of v:

v + 6(59) = 372\\v + 354 = 372\\v = 18

After solving for both variables, you find that each bus can hold 59 students and each van can hold 18 students.

5 0
3 years ago
Read 2 more answers
How can i simplify 16m cubed -10m squared
adoni [48]
16m cubed - 10m squared......
take out the common factors
they both have a two that can go into it and both have two m's you can take out
so then it becomes
2m squared(8m-5) and thats your answer (:
5 0
3 years ago
Read 2 more answers
Asha is tiling the lobby of the school with one-foot square tiles. She has 6 bags
barxatty [35]

Answer:

60 tiles left over

Step-by-step explanation:

the lobby needs 30 x 8 = 240 tiles.

she has 6 x 50 = 300 tiles

300 - 240 = 60 left over

3 0
3 years ago
Multiply 3.76 X.2<br> Show your work
WITCHER [35]

Answer:

7.52

Step-by-step explanation:

  1. Write it out: 3.76 × 2
  2. 3.76 × 2 = 7.52

I hope this helps!

7 0
3 years ago
The area is approximately __ square units,.<br><br> use 3.14 for pi
fenix001 [56]
757 units squared. Here is work:

7 0
2 years ago
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