How can this be solved?

Mathematics

2 answers:

Molodets [167]3 years ago

8 0

You might have to multiply or divide I just started learn g that stuff and I do t understand it still

svetoff [14.1K]3 years ago

8 0

You might have to multiply i don't think this a problem you use divison so multiply and then if im correct you then add hope this helps i have not had to do this in a while so hope it helps to find the answer

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A circle with a area 9 pie has a sector with a central angle of 60 degrees

goldfiish [28.3K]

Answer:

4.71 square units

Step-by-step explanation:

$central \: \angle \: ( \theta) = 60 \degree \\ \\ area \: of \: sector \\ = \frac{\theta}{360 \degree } \times area \: of \: circle \\ \\ = \frac{60 \degree }{360 \degree } \times 9\pi \\ \\ = \frac{1}{6} \times 9\pi \\ \\ = 1.5\pi \\ = 1.5 \times 3.14 \\ = 4.71 \: {units}^{2} \\ \\ \red{ \bold{ area \: of \: sector = 4.71\: {units}^{2} }} \\$

4 0

3 years ago

A room has an area of 216 square feet. One dimension is 6 feet more than the other. Find the length of the longer side.

zlopas [31]

The dimensions would be x and x+6. The area is 216.

x(x+6) = 216
x^2 + 6x - 216 = 0
(x-12)(x+18) = 0

x = 12---Yes---
x = -18---No, sides cannot be negative---

If one side is 12, the other side is 18. To check:

12 * 18 = 216
216 = 216

Correct

3 0

2 years ago

Read 2 more answers

Which values of m and b will create a system of linear equations with no solution?

kirill115 [55]

Are there value options?

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3 years ago

Find the value of x so that the line passing through the points will have the given slope: (x,6) and (10,-3) with a slope of -3/

Lana71 [14]

$(x,6) \\
x_1=x \\
y_1=6 \\ \\
(10,-3) \\
x_2=10 \\ y_2=-3 \\ \\
\hbox{the slope: } m=\frac{y_2-y_1}{x_2-x_1}=\frac{-3-6}{10-x}=\frac{-9}{10-x} \\ \\
m=-\frac{3}{2} \\
\Downarrow \\
-\frac{3}{2}=\frac{-9}{10-x} \\
-\frac{3}{2}(10-x)=-9 \\
10-x=-9 \times (-\frac{2}{3}) \\
10-x=3 \times 2 \\
10-x=6 \\
-x=6-10 \\
-x=-4 \\
\boxed{x=4}$

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3 years ago

Find the measure of each side indicated. Round to the nearest tenth. Picture included below.

skad [1K]

Step-by-step explanation:

Use the sine and cosine trig functions

21) cos(52)=13/x

x=13/cos(52)

x=21.1

22) sin(75)=6/x

x=6/sin(75)

x=6.2

4 0

3 years ago