MATHEMATICS HIGH SCHOOL

Which number is rational?
1) π
2)5/4
3) √7
4) √3/2

Answers

Answer 1
Answer:

Answer:

2) 5/4

Step-by-step explanation:

The other numbers arent irrationals because they have infinite decimals, and that cant be expresed in a fraction (sorry if i said something wrong im learning english)

Related Questions

(04.07)Which of the following exponential functions goes through the points (1, 6) and (2, 12)? (2 points) f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x
If a plane departed at 12:30 A.M. and arrived at 8:15 A.M., what was the length of time for the flight?
If y* -4x+1 were changed to y =- 2x + 6, how would the graph of the new line
Factorise fully 9x^2+3x^3
Lin has a scale model of a modern train. The model is created at a scale of 1 to 48. The height of the model train is 102 millimeters. What is the actual height of the train in meters? Round your answer to the thousandths (third) decimal place. Do not include units (meters) in your answer.

Please help me please

Answers

Answer:

11

Step-by-step explanation:

its number 2

What is tan(B)?
13
5
B
12
?
tan(B) =
Enter

Answers

Answer:

tan B = 5/12

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan theta = opp side/ adj side

tan B = 5/12

Factories fully the flowing
x^(2) +3x \n2x^(2) -8x \n6x+9x^(2) \n12x^(3) -4x^(2)

Answers

Answer:

Given below:)

Step-by-step explanation:

1) (x)(x+3)

2) (2x)(x-4)

3) (3x)(2+3x)

4) (4x^2)(3x+1)

I have factorised all of them by taking the common factor out of each

PLEASE HELP!!!!!!solve for the equations :
- 3y + 7 + 3(y-1) = 2(2y+6)

- (x-5)(x+4) = (x+7)(x-6)

- 2(x+1)2(x-2)2 = x(x-3)

Answers

-3y + 7 + 3(y - 1) = 2(2y + 6)
-3y + 7 + 3y - 3 = 4y + 12
4y = 4 - 12 = -8
y = -8/4 = -2.

-(x - 5)(x + 4) = (x + 7)(x - 6)
-(x^2 + 4x - 5x - 20) = x^2 - 6x + 7x - 42
-x^2 + x + 20 = x^2 + x - 42
2x^2 = 62
x^2 = 62/2 = 31
x=\pm√(31)
1.y=-2
2. x1,2=+-5.56
3.x1=16.13 , x2=-0.85

In triangle ABC, AC=15 centimeters, m

Answers

in triangle ABC B would most likely be B= 15

If ∠BAC = 17° and ∠CED = 17° are the two triangles, ΔBAC and ΔCED similar? If so, by what criterion?A) yes, by AA similarity criterion
B) yes, by SAS similarity criterion
C) yes, by SSA similarity criterion
D) no, not possible to tell.

Answers

Answer:

Option A is correct.

Yes, by AA similarity criterion

Step-by-step explanation:

AA(Angle-Angle) Similarity Criterion states that if two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar.

In ΔBAC and ΔCED

\angle BAC = \angle CED = 17^(\circ)   [Angle]        [Given]

\angle C = \angle C     [Angle]          [Common angle]

Therefore, by AA similarity criterion;

\triangle BAC \sim \triangle CED

Therefore,  ΔBAC and ΔCED are similar by AA similarity criterion.
If ∠BAC = 17° and ∠CED = 17° are the two triangles, ΔBAC and ΔCED similar? If so, by yes, by AA similarity criterion 

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Other Questions
How can you tell when a quadratic equation has two identical, rational solutions?a) When the radicand is negative b)When b in the quadratic formula is greater than the radicand c)When the radicand equals zero d)When the radicand is not a perfect square
The graph of an inequality has an open circle at 3.9, and the ray moves to the right. What inequality is graphed?x > 3.9x ≤ 3.9x < 3.9x ≥ 3.9
How many solutions does the system have?x = -4y + 4 2x + 8y = 8 A. one solution B. two solutions C. infinitely many solutions D. no solution
Identify whether or not the following values are a pythagorean Triple: 12, 12, 16A. yes B. no