All categories

1 year ago

I have no idea. Please help with this question I suck at graphs

Mathematics

1 answer:

Kazeer [188]1 year ago

6 0

as all the values on and over the curve are taken, the correct option must be:

$y\ge x^2-6x-5$

You might be interested in

3 × 1/4 need help its just the acual answer I need im srry I didnt spell acual right I forgot. :) lol

Andreyy89

Answer:

3/4

Step-by-step explanation:

bahrjdksjshhswheh

4 0

3 years ago

Which graph uses percentages to describe data? bar circle line

zysi [14]

Answer:

Circle

Step-by-step explanation:

can anybody answer my most recent question please!!!

5 0

3 years ago

I need a bit of help with this, May you please help me? 15 points.

max2010maxim [7]

The answer is 7 feet becaise 0 opp ik

7 0

3 years ago

Read 2 more answers

What's the absolute value of -2/3 in rational number

NeX [460]

The answer is 2/3 because absolute value is always positive and a rational number is a fraction

3 0

3 years ago

Read 2 more answers

the figure below shows a circle centre of radius 10 cm the chord PQ=16cm calculate the area of the shaded region

m_a_m_a [10]

Step-by-step explanation:

OPQ originally forms a sector, the formula for sector is

$\frac{x}{360} \pi {r}^{2}$

where x is the degrees of rotation between the two radii.

We know three sides length and is trying to find an angle between the radii so we can use law of cosines which states that

$16 = \sqrt{10 {}^{2} + 10 {}^{2} - 2(100) \times \cos(o) }$

This isn't the standard formula, it's for this problem

$16 = \sqrt{200 - 200 \times \cos(o) }$

$16 = \sqrt{200 - 200 \cos(o) }$

$256 = 200 - 200 \cos(o)$

$56 = - 200 \cos(o)$

$- \frac{7}{25} = \cos(o)$

$\cos {}^{ - 1} ( - \frac{7}{25} ) = \cos {}^{ - 1} ( \cos(o) )$

$106.26 = o$

So we found our angle of rotation, which is 106.26

Now, we do the sector formula.

$\frac{106.26}{360} (100)\pi$

$\frac{10626}{360} \pi$

is the area of sector.

Now let find the area of triangle, we can use Heron formula,

The area of a triangle is

$\sqrt{s(s - a)(s - b)(s - c)}$

where s is the semi-perimeter.

To find s, add all the side lengths up, 10,10,16 and divide it by 2.

Which is

$\frac{36}{2} = 18$

$\sqrt{18(18 - 10)(18 - 10)(18 - 16)}$

$\sqrt{18(8)(8)(2)}$

$\sqrt{(36)(64)}$

$6 \times 8 = 48$

So our area of the triangle is 48. Now, to find the shaded area subtract the main area,( the sector of the circle) by the area of the triangle so we get

$\frac{10626}{360} - 48$

Which is an approximate or

44.73

6 0

2 years ago