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3 years ago

Please help for brainliest

Mathematics

1 answer:

finlep [7]3 years ago

4 0

Answer:

8a : No because only the boys have a say and girls are part of the school to

8b: The question is random because it just asks it would be biased if it said what is your favorite sport fun basketball of boring soccer because it uses adjectives.

Hope this helps I just learned about it last year

Step-by-step explanation:

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Ron's Cafe has regular coffee and decaffeinated coffee. This morning, the cafe served 65 coffees in all, 26 of which were regula

bezimeni [28]

Attached the solution and work.

5 0

3 years ago

The circumference of a circle is 8.97cm.

wlad13 [49]

The length of the diameter is 2.86 cm rounded to 2 DP

Step-by-step explanation:

The formula of the circumference of a circle is

C = 2πr, where r is the radius of the circle
C = πd, where d is the diameter of the circle

∵ The circumference of a circle is 8.97 cm

- We need to find the diameter of the circle, then we will use

the 2nd formula of circumference above

∵ The circumference = πd

- Substitute the value of the circumference in the formula

∴ 8.97 = πd

- Subtract both sides by π

∴ 2.855 = d

- Round it to 2 decimal places (to the nearest hundredth)

∴ d = 2.86 cm

The length of the diameter is 2.86 cm rounded to 2 DP

Learn more;

You can learn more about the circle in brainly.com/question/8618791

#LearnwithBrainly

8 0

3 years ago

5.) it costs $12 to attend a golf clinic with a local pro

Volgvan

Answer:

You can buy 6 buckets

Step-by-step explanation:

30=-12+3x

-12. -12

18=3x

divide by 3

you can buy 6 buckets

6 0

3 years ago

Read 2 more answers

(1 point) (a) Find the point Q that is a distance 0.1 from the point P=(6,6) in the direction of v=⟨−1,1⟩. Give five decimal pla

natima [27]

Answer:

following are the solution to the given points:

Step-by-step explanation:

In point a:

$\vec{v} = -\vec{1 i} +\vec{1j}\\\\|\vec{v}| = \sqrt{-1^2+1^2}$

$=\sqrt{1+1}\\\\=\sqrt{2}$

calculating unit vector:

$\frac{\vec{v}}{|\vec{v}|} = \frac{-1i+1j}{\sqrt{2}}$

the point Q is at a distance h from P(6,6) Here, h=0.1

$a=-6+O.1 \times \frac{-1}{\sqrt{2}}\\\\= 5.92928 \\\\b= 6+O.1 \times \frac{-1}{\sqrt{2}} \\\\= 6.07071$

the value of Q= (5.92928 ,6.07071 )

In point b:

Calculating the directional derivative of $f (x, y) = \sqrt{x+3y}$ at P in the direction of $\vec{v}$

$f_{PQ} (P) =\fracx{f(Q)-f(P)}{h}\\\\$

$=\frac{f(5.92928 ,6.07071)-f(6,6)}{0.1}\\\\=\frac{\sqrt{(5.92928+ 3 \times 6.07071)}-\sqrt{(6+ 3\times 6)}}{0.1}\\\\= \frac{0.197651557}{0.1}\\\\= 1.97651557$

$\vec{v} = 1.97651557$

In point C:

Computing the directional derivative using the partial derivatives of f.

$f_x(x,y)= \frac{1}{2 \sqrt{x+3y}}\\\\ f_x (6,6)= \frac{1}{2 \sqrt{22}}\\\\f_x(x,y)= \frac{1}{\sqrt{x+3y}}\\\\ f_x (6,6)= \frac{1}{\sqrt{22}}\\\\f_{(PQ)}(P)= (f_x \vec{i} + f_y \vec{j}) \cdot \frac{\vec{v}}{|\vec{v}|}\\\\= (\frac{1}{2 \sqrt{22}}\vec{i} + \frac{1}{\sqrt{22}} \vec{j}) \cdot \frac{-1}{\sqrt{2}}\vec{i} + \frac{1}{\sqrt{2}} \vec{j}$

4 0

3 years ago

The number of people attending the first basketball game of the season was 840. The number of people attending the last game of

melamori03 [73]

Answer:

Step-by-step explanation:

percent increase = (new number - original number) / (original number) * 100

= (1200 - 840) / (840) * 100

= (360) / 840 * 100

= 0.4285 * 100

= 42.85% rounded to nearest percent = 43% <==

5 0

3 years ago