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djverab [1.8K]
3 years ago
10

A diver dives from the 3 m board at a swimming pool. Her height, y, in metres, above the water in terms of her horizontal distan

ce, x, in metres, from the end of the board is given by y= -x^2 + 2x + 3. What is the diver's maximum height?
Mathematics
1 answer:
koban [17]3 years ago
8 0
The maximum height of the diver would be the y value of the vertex of the graph. The vertex of the graph is (1,4). The maximum height of the diver is 4 meters.
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Anyone help ASAP pls!!!
adoni [48]

Answer:

81 cubic ft. is the answer.

3 0
3 years ago
Solve the inequality -4&gt;-4 + h.<br> A. h&lt;0<br> B. h&gt;0<br> C. h&lt;3<br> D. h&gt;-8
artcher [175]

Answer:

A. H<0

Step-by-step explanation:

<em>Add by 4 from both sides of equation.</em>

<em>-4+4>-4+h+4</em>

<em>Simplify.</em>

<em>0>h</em>

<em>Then, switch sides to find the answer.</em>

<em>h<0</em>

<em>h<0 is the correct answer.</em>

6 0
3 years ago
2. Here is a picture of an older version of the flag of Great Britain. There is a rigid
Nitella [24]

Answer:

no.

Step-by-step explanation:

the 4 on the sides are half the area of the ones of the top and bottom because if you take two small ones they will fit with one of the big ones.

sorry if I'm wrong.

5 0
3 years ago
A large dining room table is in the shape of a semi circle diameter 12 feet. What is the square feet closest to the area ? Radiu
Zarrin [17]
No, the radius is not 3.14 .  The radius is 1/2 of the diameter . . .  That's 6 feet.
If you see 3.14 on the sheet, then that's the number you're supposed to use for pi .

The area of any circle is (pi) x (radius squared).
If the table were a full circle, its area would be (pi) x (6 squared) = 36 pi square feet.

But it's only half of that . . . 18 pi = (18) x (3.14) = <u>56.52 square feet</u>.

That's called the "area" of the table, not the "square feet" of the table.

And another thing:   I see you're asking for the "closest" number.   Don't ask me
how I know this, but I'm pretty sure that right under this question wherever you
copied it from, there's a list of choices, and when you posted the question, for
some reason you decided not to share the list.
7 0
2 years ago
The square ABCD is divided into eight equal parts. The shaded area is 25 cm². What is the area of the square ABCD​
Akimi4 [234]

Answer:

I think the answer is 200cm^2

Step-by-step explanation:

since the square is divided into eight equal parts

and one shaded part is =25cm^2

multiply the area of the shaded part by the number of equal parts

= 25cm^2 ×8

= 200cm^2

6 0
3 years ago
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