All categories

2 years ago

Can someone help me with this

Mathematics

1 answer:

Tems11 [23]2 years ago

4 0

Answer: 8.2

Step-by-step explanation:

As angles in a triangle add to 180 degrees,

$\angle A=180^{\circ}-121^{\circ}-31^{\circ}=28^{\circ}$

So, by the Law of Sines,

$\frac{a}{\sin A}=\frac{b}{\sin B}\\\\a=\frac{b \sin A}{\sin B}\\\\a=\frac{9 \sin 28^{\circ}}{\sin 31^{\circ}}\\\\a \approx \boxed{8.2}$

You might be interested in

What is the square root of 50?

notka56 [123]

Answer:

√50= 5√2

Step-by-step explanation:

50=25*2

√50=√25*2

√50=√5*5*2

√50= 5√2

3 0

2 years ago

Read 2 more answers

-<br><img src="https://tex.z-dn.net/?f=%20-%203%5Cpi%20%2B%20w%20%3D%202%5Cpi" id="TexFormula1" title=" - 3\pi + w = 2\pi" alt="

pantera1 [17]

Isolate the w. Note the equal sign. What you do to one side, you do to the other.

Add 3π to both sides

- 3π (+3π) + w = 2π (+3π)

w = 2π + (3π)

w = 5π

w = 5π is your answer

hope this helps

4 0

2 years ago

What's rate of $ 7.96 for 5 pounds

BartSMP [9]

To find the rate, we have to divide both numbers by 5. So the rate will be $1.592 for 1 pound.

7 0

3 years ago

Need help pronto!<br> First to answer gets Brainliest!!!

Nostrana [21]

Answer:

Not sure if I correctly did it but Stan is 56$ and Kyle is 44$, unless they meant how much they spent and were left with.

Step-by-step explanation:

50 + 6 = 56

34 + 10 = 44

6 0

1 year ago

Read 2 more answers

Construct the triangle dce using as coordinates of its vertices points d(−4, 0), c(0, −2), and e(5,3). Find the coordinates of i

Naily [24]

Answer:

So, coordinate of intersection point = (2,0)

Explanation:

Given a triangle DCE whose coordinate of the vertex are :

D(−4, 0), C(0, −2), and E(5,3)

We will find the equation of CE

Firstly find the slope of CE

Slope (m) = $\frac{y_{2} - y_{1} }{x_{2} - x_{1}}$

m = $\frac{3-(-2)}{5-0}$ = 1

Equation of line is :

y - y₁ = m(x - x₁)

y - (-2) = 1(x-0)

y + 2 = x equation of CE

Find the intersection point of CE and x-axis

Put y = 0 to find the x-intercept

0 + 2 = x

x = 2

So, coordinate of intersection point = (2,0)

4 0

2 years ago