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Lelu [443]
3 years ago
11

A number and its absolutely value are equal. If you subtract 2 from the number and its absolute value are not equal. What do you

know about the number? What is a possible number that satisfies these conditions?
Mathematics
1 answer:
Naily [24]3 years ago
5 0
n-the\ number\\\\|n|=n\ then\ n\geq0\\\\|n-2|\neq n-2\ what's\ a\ number\\\\I\ think,\ it's\ n=1\\\\because\ |1|=1\ and\ |n-2|=|-1|=1\ \ \ :correct\ \ :)\\\\3\ is\ not,\ because:\ |3|=3\ and\ |3-2|=|1|=1\to3\neq1
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Which type of triangle will always have at least 1-fold reflectional symmetry
geniusboy [140]
Isosceles Triangle is the answer
6 0
3 years ago
Emily measures a prize wheel at a carnival and calculates that it has an area of 3.14 square feet. What is the prize wheel's cir
Marizza181 [45]

The circumference of wheel is 6.28 feet.

Step-by-step explanation:

Given,

Area of prize wheel = 3.14 square feet

Area = πr²

3.14 = 3.14(r)^2

Dividing both sides by 3.14

\frac{3.14}{3.14} = \frac{3.14(r)^2}{3.14}\\1=r^2\\r^2=1\\r=1

Circumference = 2πr

Circumference of prize wheel = 2*3.14*1\\

Circumference of prize wheel = 6.28 feet

The circumference of wheel is 6.28 feet.

Keywords: area, circumference

Learn more about circumference at:

  • brainly.com/question/10387593
  • brainly.com/question/10402163

#LearnwithBrainly

5 0
3 years ago
Can you pls solve this 2x² + 5x - 7​
Studentka2010 [4]

Answer:

not solvable

Step-by-step explanation:this statement is impossible to simplify without more information.

5 0
4 years ago
In how many ways can 4 people sit next to each other in a stadium row​
Viktor [21]

Answer:

They can sit next to each other in 24 different ways.

Step-by-step explanation:

In order to solve this problem, use the factorial function (!).

4! = 4 * 3 * 2 * 1 = 24

8 0
3 years ago
Find the standard form of the equation of the parabola with a focus at (0, 2) and a directrix at y = -2.
LUCKY_DIMON [66]

Since the focus is at (0, 2) and directrix is y = -2

point where both of these have the same x-value will be at (0, 2) for the focus and (0, -2) for the directrix.

The vertex will also have the same x-value so it will be (0, y).

y-value is half-way between the y-value of the focus, and the y-value of the directrix at x = 0.

Directrix y-value is -2 at x = 0 and for the focus it's 2 at x = 0. 

Halfway between y = -2 and y = 2 is y = 0. 

So the vertex of the parabola occurs at (0, 0). 

So that's x^2 = 4ay = 4(2)y = 8y. 

y = 1/8*x^2

hope it helps

7 0
4 years ago
Read 2 more answers
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