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3 years ago

All statements of equality below are correct ? Need help!

Mathematics

2 answers:

fgiga [73]3 years ago

4 0

Answer:

the answer is true

Step-by-step explanation:

because all are equal 14

Scilla [17]3 years ago

3 0

Answer:

True

Step-by-step explanation:

√784/√4 = 28/2 = 14

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What is the highest degree in x³ - x²y² - y² + 2

kobusy [5.1K]

Answer:

X^3 is highest because of its exponet it’s higher than the rest

Step-by-step explanation:

3 0

3 years ago

Points A, B, C, and D are the vertices of a square. Points E and F are the center of two congruent semicircles that are tangent

Masja [62]

Answer:

8 sq units

Step-by-step explanation:

to find the area of shaded region:

area of square minus sum of areas of each semi-circle

A(square) = 6² = 36

A (semi-circle) = πr²/2

= π3²/2

= 4.5π

Since there are two semi-circles, that makes one complete circle with an area of 9π

A(circle) ≈ 28 sq units

36-28 = 8 sq units

5 0

3 years ago

Read 2 more answers

Find the range of the function: f(x) = x + 3, for x ≠ 1

Tju [1.3M]

Answer:

All Real Numbers except for 4

Step-by-step explanation:

Objective: Specify domain and range of a function.

The equation is a linear equation. A linear equation range is all real numbers. However x cannot equal 1 so let plug in x to find where the y value CANT be.

$f(1) = 1 + 3 = 4$

So the range is

All Real Numbers except for 4.

3 0

3 years ago

Can i have help with this

lilavasa [31]

Answer:

Option D

Step-by-step explanation:

Square:

Side = 25 ft

Area of square = side * side

= 25*25

= 625 square ft

Area of semicircle:

diameter = 25 ft

r = 25/2 = 12.5 ft

$\boxed{\text{Area of semicircle =$ \dfrac{\pi r^{2}}{2} $}}$

$=\dfrac{3.14 * 12.5*12.5}{2}\\\\\\= 245.3 \ square \ ft$

Area of the shaded region = area of square - area of semicircle

= 625 - 245.3

= 379.7 square ft

8 0

3 years ago

Ms. Thomas took her family and friend to the movies. There were a total of 16 people. Children tickets cost $6 and adult tickets

Korolek [52]

Answer:

11 adults

Step-by-step explanation:

First, set up a system of equations:

Let x = number of children and y = number of adults

There is a total of 16 people, so x+y = 16. This is your first equation.

Each child ticket costs $6, so 6x = cost of children's tickets based on the number of children present (x)

Each adult ticket costs $9, so 9y = cost of adult's tickets based on the number of adults present (y)

The total cost of tickets is $129, so 6x+9y = 129. This is your second equation.

Your system of equations is now this:

x + y = 16

6x + 9y = 129

You can solve this system using the method of elimination, where we will eliminate the variable x (number of children), since we are focused on y (number of adults).

Multiply the top equation by -6. This will give the following equation:

-6x - 6y = -96

You can now solve the system of equations by placing the new equation under the second equation like this:

6x + 9y = 129

-6x - 6y = -96

Now, add the two equations together.

6x + (-6x) = 0

9y + (-6y) = 3y

129 + (-96) = 33

After doing this, you get the following equation:

3y = 33

As you can see, the variable x has been eliminated, and you are left with y.

Solve the equation for y:

3y = 33

y = 33/3 = 11

y = 11 adults

5 0

4 years ago