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3 years ago

How is a rational number that is not an integer different from a rational number that is an integer

1 answer:

8 0

Rational # is not integer and rational number is an integer.... sometimes you have to look close to what you read because that might give you the answer

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On apiece of paper graph this system of equations y=x-8 y=x^2-2x-3 then determine which answer choice matches the graph you drew

katen-ka-za [31]

Answer:

No solution.

Step-by-step explanation:

y = x - 8

y = x² - 2x - 3

Let's find the point where the lines meet;

x - 8 = x² - 2x - 3

x² - 2x + x - 3 + 8 = 0

x² - x + 5 = 0

Applying the quadratic formula method we get,

It will give the value of "x" a complex number hence that graph does not have a solution.

6 0

3 years ago

The length of a rectangle is 20 meters and the width is 4 meters. What is the perimeter of the rectangle? Do not include units i

alina1380 [7]

Answer:

$\boxed {\boxed {\sf 48 \ meters }}$

Step-by-step explanation:

The perimeter is the sum of the side lengths.

A rectangle has 4 sides: 2 lengths and 2 widths, so the perimeter formula is

$p= 2l+2w$

The length is 20 meters and the width is 4 meters.

$p= 2(20 \ m )+ 2(4 \ m )$

Multiply.

$p= 40 \ m + 8 \ m$

Add.

$p= 48 m$

The perimeter of the rectangle is <u>48 meters. </u>

4 0

3 years ago

Can you help me please...............

musickatia [10]

Step-by-step explanation:

2πr is the formula is because the radius of a circle or a face of a circular object is used more often than the diameter. For example, the area of a circle is πr^2.

7 0

3 years ago

What are the mean,mode, and range for this set of data? 5.1,3.7,3.1,4.3,7.2,4.3,2.5

frozen [14]

Answer:

Mean: 4.3142

Mode: 4.3

Range: 4.1

Step-by-step explanation:

5.1 + 3.7 + 3.1 + 4.3 + 7.2 + 4.3 + 2.5 = 30.2

30.2 ÷ 7 = 4.3142

8 0

3 years ago

Read 2 more answers

A group of 25 people are going to run a race. The top 8 finishers advance to the finals. Determine the number of possible outcom

satela [25.4K]

Answer:

n[total]=25

n[top finishers]=8

the number of possible outcome

= $\frac{25 \times 24 \times 23 \times 22 \times 21 \times 20 \times 19 \times 18}{8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1} = 1081575$ outcomes

6 0

3 years ago

Read 2 more answers