All categories

3 years ago

Helppppppoppp please 10 points !!!

Mathematics

2 answers:

Evgesh-ka [11]3 years ago

7 0

Answer:

2x+27+x+27=180

3x+54=180

3x=180-54

x=126/3

x=42

angle B=x+27

=42+27

=69 degree

Step-by-step explanation:

Alekssandra [29.7K]3 years ago

7 0

Answer:

B=69

Step-by-step explanation:

Supplementary angles have a sum of 180. Set up your formula as

180=(2x+27)+(x+27)

180=2x+27+x+27

180-27-27=3x

126=3x

126/3=x

42=x

Now substitute 42 in place of x for Angle B

Angle B = x+27

B = 42+27

B=69

Check your work by doing the same for Angle A

Angle A = (2x+27)

A=2*42+27

A=84+27

A=111

Now add both together and if you did it right, your answer is 180

69+111 = 180

You might be interested in

I cant seem to understand this. please explain :)) (business math)

Alex787 [66]

Answer:

$1.50 bro

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Which expressions are equivalent to 2(-6c+3)+4c2(−6c+3)+4c2, left parenthesis, minus, 6, c, plus, 3, right parenthesis, plus, 4,

Klio2033 [76]

A because it’s 8c+6-8c+6 minus

3 0

3 years ago

The diagram below shows a square inside a regular octagon. The apothem of the octagon is 15.69 units. To the nearest square unit

Musya8 [376]

Answer:

C. 647 square units

Step-by-step explanation:

To find the shaded area, subtract the area of the unshaded square from the area of the octagon.

Area of the octagon

$\textsf{Area of a regular polygon}=\dfrac{n\:l\:a}{2}$

where:

n = number of sides
l = length of one side
a = apothem

Given:

n = 8
l = 13
a = 15.69

Substitute the given values into the formula and solve for A:

$\implies \textsf{Area}=\sf \dfrac{8 \cdot 13 \cdot 15.69}{2}$

$\implies \textsf{Area}=\sf \dfrac{1631.76}{2}$

$\implies \textsf{Area}=\sf 815.88\:\:square \:units$

Area of the square

$\implies \textsf{Area}=\sf 13^2=169 \:\:square \:units$

Area of the shaded region

= area of the octagon - area of the square

= 815.88 - 169

= 646.88

= 647 square units (nearest square unit)

3 0

2 years ago

Read 2 more answers

Once a large pink ribbon, the sign of the fight against breast cancer, was erected out of pink post-it notes on a billboard.

saul85 [17]

Answer:

Pretty sure the width would be 70

Step-by-step explanation:

3920ft divided by 56 = 70

3 0

2 years ago

Read 2 more answers

The demand for a certain company's e-reader can be approximated byq =720p− 1 million units per year (60 ≤ p ≤ 400),where p is th

LenKa [72]

Answer:

Equilibrium price P = 200 dollars

equilibrium demand of million e-readers per yer = 2.6 mi/yr

Step-by-step explanation:

Given that;

q = 720/p - 1 million units per year { 60 ≤ p ≤ 400 }

supply q = 0.018p − 1 million units per year (60 ≤ p ≤ 400)

we substitute

720/p - 1 = 0.018p − 1

720/p = 0.018p

720 = 0.018p^2

p^2 = 720/0.018 = 40000

p = sqrt(40000)

p = 200

substitute value of p

q = 0.018(200) − 1

q = 3.6 - 1 = 2.6

Therefore Equilibrium price P = 200 dollars

equilibrium demand of million e-readers per yer = 2.6 mi/yr

8 0

3 years ago