MATHEMATICS HIGH SCHOOL

What is the approximate value of y − x? (a.) 4.9° (b.) 6.2° (c.) 11.1° (d.)17.2°   Its not A

Answers

Answer 1
Answer: Since it is a right angled triangle.

tan x = 14.1/19.1

tan x ≈ 0.7382

x ≈ tan⁻¹(0.7382)    use a calculator.

x ≈ 36.4°

Since x and y are adjacent angles of right angled triangle.

x + y = 90°

x = 90° - 36.4°

x = 53.6°

y - x ≈ 53.6° - 36.4°

y - x ≈ 17.2°

Option D.
Answer 2
Answer: It is tan^(-1)(19.1/14.1)-tan^(-1)(14.1/19.1)=17.2degree D

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In which quadrant is (1/2, -1.8)?

Answers

The x is positive, and the y is negative.

If you draw your number line showing the positive and negative sides of the x and y axis:

You will find it is in the 4th quadrant.

If the floor of a square office is 225 square units, what is the perimeter of the office?

Answers

The perimeter of an office whose floor area is 225 square units is 60 units

Further Explanation

Area

  • Area is a measure of how much space is occupied by a given shape.
  • Area of a substance is determined by the type of shape in question.

For example;

  • Area of a rectangle is given by; Length multiplied by width
  • Area of a triangle = 1/2 x base x height
  • Area of a circle = πr². where r is the radius of a circle,
  • Area of a square = S², Where s is the side of the square.etc.

Perimeter

  • Perimeter is defined as the distance along a two dimension shape.  Perimeter of different shapes is given by different formulas

For example;

  • The perimeter of a rectangle = 2(length+width)
  • The perimeter of a triangle = a+b+c; where a, b and c are the sides of the triangle. etc.

In this case;

We are given the area of a square as 225 square units

Therefore; since the area of a square is given as s², where s is the side of the square.

Then; s² = 225

         s = √ 225

             = 15 units

But Perimeter of a square is given by; 4 × s

Thus; Perimeter = 4 × 15 units

                           = 60 units

Keywords; Perimeter, Area

Learn more about;

Level: Middle school

Subject; Mathematics

Topic: Area and Perimeter

Square have 4 equal sides length = a

A = 255 
A = a^2

255 = a^2   |sqrt
15 = a

P = 4a 
P = 4*15 = 60

Select the term that best describes the statement. All angles are right angles or a triangle has four sides. conjunction disjunction negation conditional

Answers

Answer: negation.

Step-by-step explanation: In a triangle, all angles cannot be right angles, because if it is so, then 90°+90°+90°=270°>180°. Hence, not possible. Also, a triangle has only three sides, so the sentence that a triangle has four sides is also not correct.

So, the given statement is a combination of two negative statements, and so, it is negation.

Thus, the correct answer is negation.
The statement is a negation because the sentence is false. All angles are NOT right angles and triangles do NOT have four sides.

The measure of the angle of hands of a clock at 8:00

Answers

It would be around 120 degrees.

Find the range for the measure of the third side of a triangle given the measures of two sides.18 ft and 23 ft

Answers

The range for the measure of the third side of the triangle is (5, 38).

What is a triangle?

A triangle is a geometric figure with three edges, three angles and three vertices. It is a basic figure in geometry.

The sum of the angles of a triangle is always 180°

Given that,

Two sides of the triangle are 18 ft and 23 ft.

Let the third side of the triangle is x cm.

Since, the third side is greater than the difference of the remaining sides and less than the sum of the two sides.

Implies that,

23 - 18 < x < 23 + 18

5 < x < 38

The range of the third side varies from (5, 38).

To know more about Triangle on:

brainly.com/question/2773823

#SPJ2

Answer:

5<x<41

Step-by-step explanation:

Martha is covering kitchen shelves with shelving paper. She has 6 shelves that are each 1 3 4 feet long. She buys 13 1 4 feet of shelving paper of the correct width. Which equation can be used to determine how much paper she will have left over?

Answers

its 1314 divided by 6.
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