MATHEMATICS HIGH SCHOOL

Solve 3y + 20 = 3 +2y

Answers

Answer 1
Answer:


3y + 20 = 3 + 2y

3y- 2y = 3-20

y = -17
Answer 2
Answer: 3y+ 20= 3+ 2y
⇒ 3y -2y= 3 -20 (inverse operation)
⇒ y= -17

Final answer: y= -17.

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Answers

1:3

4 goes into 12 three times.

4/12 = 1/3 = 1:3

Which accurately describes a tangent

Answers

a line which meets a curve at a single point and will never meet that curve again
When a line touch the tangent is always 90 degree

Given the following scenario, decide if it is a permutation or combination. Then calculate the number of possibilities. (Please write Permutation/Combination ; answer)A committee must choose 4 finalists from 15 candidates. How many ways can the committee choose the four finalists.

Answers

The right answer for the question that is being asked and shown above is that:

There are...
15 * 14 * 13 * 12 ways in order to know the four finalists.
This is equal to 32,760 ways i n order to know the four finalists.

there are a total of 127 cars and trucks on a lot. If there are four more than twice the number of trucks than cars , how many cars and trucks are on the lot ?

Answers

c + t = 127 ;
t = 2c + 4;
then, c + 2c + 4 = 127;
3c = 123;
c = 123 / 3 ;
c = 41 ( cars )
t = 2 * 41 + 4 = 88 ( trucks ).

FASTTTTTTTTT PLEASEEEEEEEEEEE

Answers

It’s the answer is 68

What is the area of a sector with a central angle 210 and a diameter of 4.6

Answers

The area of the sector with a central angle of 210° and a diameter of 4.6units is 2.6π square units.

What is Area?

Area is a collection of two - dimensional points enclosed by a single dimensional line. Mathematically, we can write -

V = ∫∫F(x, y) dx dy

Given is a sector with a central angle of 210° and a diameter of 4.6 units.

The area of a sector can be calculated using the formula -

A{Sector} = θ/360° x 2πr

For the sector given, we have -

θ = 210°

r = 4.6 units

Substituting the values, we get the area of the sector as -

A{Sector} = 210°/360° x 2πr

A{Sector} = 7/12 x 2πr

A{Sector} = 7πr/6

A{Sector} = 7πd/12

A{Sector} = 7π x 4.6/12

A{Sector} = 7π x 0.38

A{Sector} = 2.6π square units

Therefore, the area of the sector with a central angle of 210° and a diameter of 4.6units is 2.6π square units.

To solve more questions on areas, visit the link-

brainly.com/question/29213222

#SPJ3
theta = 210°
r = 4.6/2 = 2.3
Area of circle = pi * r * r
= 3.14 * 2.3 * 2.3 = 16.61
Area of sector =
(theta / 360) * area of circle
= (210/360) * 16.61
= 9.69
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