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Vinil7 [7]
3 years ago
11

Is f(x)=x(4-x)-2 a quadratic function? Explain.

Mathematics
1 answer:
Tanya [424]3 years ago
6 0
It expands to 
4x - x^2 - 2

Yes it is quadratic.
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There are 48 students going on a field trip and 1/4 are girls how many boys are going on the field trip? In tape diagram
Sedaia [141]

Answer:

3/4 or 75% are boys

Step-by-step explanation:

4 0
3 years ago
Chin-li is building a brick wall along the front of his property. The wall will have 15 rows of bricks, with 32 bricks in each r
Finger [1]

Answer:

<h3>The solution is 480 bricks.</h3>

Step-by-step explanation:

We are given that number of rows of bricks in a wall = 15 rows.

Number of bricks in a row = 32 bricks.

In order to find the total number of bricks, we need to multiply number of rows with number of bricks in a row.

Total number of bricks in 15 rows = 15 × 32 = 480 bricks.

Therefore, will Chin-li will need 480 bricks.

<h3>The solution is 480 bricks.</h3>
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3 years ago
At the end of a snow storm, Michael saw there was a lot of snow on his front lawn. The temperature increased and the snow began
QveST [7]

Answer:

x-intercept equals 10

interpretation is that, after 10 hours, all of the snow will be melted

Step-by-step explanation:

5 0
3 years ago
(2 + 3i) + (3 – 4i)<br><br> (3 – 5i) – (–2 – i)<br><br> (2 − 4i)(1+ 3i) <br><br> 2i(−1+ 3i)
grandymaker [24]

Answer:

See below ~

Step-by-step explanation:

<u>Question 1</u>

  • (2 + 3i) + (3 - 4i)
  • <u>5 - i</u>

<u>Question 2</u>

  • (3 – 5i) – (–2 – i)
  • 3 - 5i + 2 + i
  • <u>5 - 4i</u>

<u>Question 3</u>

  • (2 − 4i)(1+ 3i)
  • 2 - 4i + 6i - 12i²
  • <u>14 + 2i</u>

<u>Question 4</u>

  • 2i(-1 + 3i)
  • -2i + 6i²
  • <u>-6 - 2i</u>
6 0
2 years ago
What expression is equivalant to 8x+7x
VikaD [51]

Answer:

What are the possible answers.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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