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lutik1710 [3]
2 years ago
15

Find the measure of the angle, θ, where 0° ≤ θ ≤ 90°. sinθ = 1/2

Mathematics
1 answer:
inessss [21]2 years ago
7 0

Answer:

\theta = 30^{\circ}

Step-by-step explanation:

Given:

Range: 0^{\circ} \le \theta \le 90^{\circ}

Sin \theta = \frac{1}{2}

Required

Find \theta

Sin \theta = \frac{1}{2}

Take arcsin of both sides

sin^{-1}(sin\theta) = sin^{-1}(\frac{1}{2})

\theta = sin^{-1}(\frac{1}{2})

Using the sin table

\theta = 30^{\circ}

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What is the slope of each side of the triangle? the sides are A(-2,4) B(-1,1) C(2,3)
Rashid [163]

Answer:

The slopes of three sides of triangle are as follows:

AB = -3

BC = 2/3

AC = -1/4

Step-by-step explanation:

The slope is denoted by m and is calculated using the formula

m = \frac{y_2-y_1}{x_2-x_1}

The given vertices are:

A(-2,4) B(-1,1) C(2,3)

The sides will be:

AB, BC, AC

Let m1 be the slope of AB

Let m2 be the slope of BC

Let m3 be the slope of AC

Now

Slope\ of\ AB = m_1 = \frac{1-4}{-1+2} = \frac{-3}{1} = -3\\Slope\ of\ BC = m_2 = \frac{3-1}{2+1} = \frac{2}{3}\\Slope\ of\ AC = m_2 = \frac{3-4}{2+2} = \frac{-1}{4} = -\frac{1}{4}

Hence,

The slopes of three sides of triangle are as follows:

AB = -3

BC = 2/3

AC = -1/4

6 0
2 years ago
Help due soon plss!!!!
Gelneren [198K]

Answer:

Cube=150cm^2

Triangular Prism=228ft^2

Step-by-step explanation:

Cube

A=6a^2=6*5^2=150cm^2

Triangular prism

Using these formulas

A=2A_{B}+(a+b+c)h\\A_{B} =\sqrt{s(s*a)(s*b)(s*c)} \\s=\frac{a+b+c}{2}

Solving for A

A=ah+bh+ch+\frac{1}{2} \sqrt{-a^4+2(ab)^2+2(ac)^2-b^4+2(bc)^2-c^4} \\=6.5*11+5*11+6.5*11+\frac{1}{2} *\sqrt{-6.5^4+2*(6.5*5)^2+2*(6.5*6.5)^2-5^4+2*(5*6.5)^2-6.5^4} \\=228ft^2

5 0
2 years ago
Write an equation for the translation of x^2+y^2=25 by 7 units left and 2 units down
soldi70 [24.7K]
Your equation is a circle where the center is the origin (0, 0) and the radius is 5. With the translation, the new center is (- 7, - 2). Radius stays the same. 

Your new equation is:

(x + 7)² + (y + 2)² = 25
4 0
2 years ago
What is the least common multiple of 2x^2 and 4x+12
Shalnov [3]

Answer:

4 x ^2 ( x + 3 )

Step-by-step explanation:

The least common multiple (LCM) of two or more non-zero whole numbers is the smallest whole number that is divisible by each of those numbers. In other words, the LCM is the smallest number that all of the numbers divide into evenly.

4 0
3 years ago
89,678 round to the nearest hundred thousand
Elodia [21]
100,000 would be the answer

6 0
3 years ago
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