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Archy [21]
3 years ago
15

Find the measure of angle b

Mathematics
2 answers:
blondinia [14]3 years ago
6 0

Answer:

130°

Step-by-step explanation:

a straight line is 180°

so you have

180°-50°= 130°

Gala2k [10]3 years ago
6 0
Explanation:

b and 50 are supplementary angles (they add up to 180), so create an equation by adding them up to equal 180:

b + 50 = 180

we want the x by itself, so subtract both sides by 50 to get:

b = 130°
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Which set of polar coordinates describes the same location as the rectangular coordinates (-3,3)
Readme [11.4K]
To convert from rectangular coordinates (x,y) to polar coordinates (r, θ), the following equations should be used:

r = sqrt( x^2 + y^2)
<span>θ = tan^-1 (y/x)
</span>
Substituting (-3,3) accordingly to the equations, we obtain r equal to 3*sqrt(2) and θ equal to -π/4. Thus, the polar coordinates equivalent to (-3,3) is (3*sqrt(2), -π/4).

6 0
3 years ago
Read 2 more answers
(4y − 3)(2y2 + 3y − 5)
VladimirAG [237]

Answer:

8y^3+6y^2-29y+15

Step-by-step explanation:

the correct expression is

(4y − 3)(2y^2 + 3y − 5)

Given data

We have the expression

(4y − 3)(2y^2 + 3y − 5)

let us open bracket

8y^3+12y^2-20y-6y^2-9y+15

Collect like terms

8y^3+12y^2-6y^2-20y-9y+15

8y^3+6y^2-29y+15

4 0
2 years ago
Please help will mark Brainliest!!​
seraphim [82]

~~~~~~x+80^{\circ} = 180^{\circ}\\\\\implies x = 180^{\circ} - 80^{\circ}\\\\\implies x = 100^{\circ}

3 0
1 year ago
Factor the following: <br><br> <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" align="
Ierofanga [76]

Answer:

The factors can be calculated in following steps;

Step-by-step explanation:

8 0
3 years ago
Answer this easy question for points! :)
jek_recluse [69]

Answer:

line l║line m

Step-by-step explanation:

See the diagram first.

Statement:

1. ∠ 2 and ∠ 5 are supplementary

Reason:

It is given

Statement:

2. ∠ 3 = ∠ 2

Reason:

They are opposite angles.

Statement:

3. ∠ 3 and ∠ 5 are supplementary

Reason:

As ∠ 3 = ∠ 2

Statement:

4.  line l is parallel to line m

Reason:

Consecutive interior angles ∠ 3 and ∠ 5 are supplementary. (Answer)

8 0
3 years ago
Read 2 more answers
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