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Nana76 [90]
4 years ago
8

To which subsets of the real numbers does the numbers 1.68 belong

Mathematics
1 answer:
scoundrel [369]4 years ago
6 0
Its real and rational                                        
You might be interested in
20 POINTS
denis-greek [22]

Answer:

c. 441ft^2

Step-by-step explanation:

Area is height times length and since it's a square, safe to say that the sides are equal in length. So square root both of the given areas of the 2 square:

\sqrt{841} = 29

\sqrt{400} = 20

Now u have side b and c of the triangle, it's a right triangle so use the Pythagorean theorem a^2 + b^2 = c^2

a^2 + b^2 = c^2

a^2 + 20^2 = 29^2

a^2 + 400 = 841

subtract 4 from both sides

a^2 = 441

square root both sides

\sqrt{a^2} = \sqrt{441}

a = 21

Now the side a of the triangle is also a side of the small square therefore

21^2 = 441

8 0
3 years ago
What is the area of this triangle in the coordinate plane? 5 units² 6 units² 7 units² 12 units²
kramer

Given:

A right triangle on a coordinate plane.

To find:

The area of a triangle.

Solution:

We know that, the area of a triangle is

A=\dfrac{1}{2}\times Base \times Height

From the given figure it is clear that the base of the triangle is 4 units and the height is 3 units. So, the area of the given triangle is

A=\dfrac{1}{2}\times 4 \times 3

A=\dfrac{12}{2}

A=6

The area of the given triangle is 6 units². Therefore, the correct option is B.

5 0
3 years ago
the cost of a limited edition baseball card increases from $20 to $40. What percent did the price increase by?
serious [3.7K]

Answer:

100%

Step-by-step explanation:

100% of 20 is 20

half of 40 is 20

5 0
3 years ago
Read 2 more answers
One Friday night, a group of friends bought 5 containers of popcorn and 4 granola bars at the movie theatre for $42. 50. The nex
astra-53 [7]

The cost of one container of popcorn and granola is $6.5 and $2.5.

<h2>Linear system</h2>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Given

A group of friends bought 5 containers of popcorn and 4 granola bars at the movie theatre for $42.50.

The next week, the same group of friends bought 3 containers of popcorn and 6 granola bars for $34.50.

<h3>To find </h3>

The equation and solution of the equation.

<h3>How to get it?</h3>

Let p represent the cost of one container of popcorn.

Let g represent the cost of one granola bar.

A group of friends bought 5 containers of popcorn and 4 granola bars at the movie theatre for $42.50.

5p + 4g = 42.50 .....1

The next week, the same group of friends bought 3 containers of popcorn and 6 granola bars for $34.50.

3p + 6g = 34.50 .....2

From Equations 1 and 2, we have

p = 6.5  and  g = 2.5

Thus, the cost of one container of popcorn and granola is $6.5 and $2.5.

More about the linear system link is given below.

brainly.com/question/20379472

8 0
3 years ago
Through the point (9,-7) parallel to the line y=2x-7
scoray [572]

The answer is y=2x-25.


6 0
4 years ago
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