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Phantasy [73]
3 years ago
13

I don't know what's it asking me. what should I do?

Mathematics
2 answers:
Anton [14]3 years ago
6 0
n - a number
n^2 - its square
n+n^2 - the sum
\leq - less than or equal
negative three - I don't have to explain this one, do I?

n+n^2\leq-3 - the sum of a number and its square is less than or equal negative three



telo118 [61]3 years ago
6 0
The sum of a number (n) and it's square (n^2) is less than or equal to -3. We have to write this out in math lingo.

"The sum of a number" means addition, aka +. Example: 1+1=2. The sum of 1 and 1 is 2.

n + n^2

Is less than (<) or equal to (=) -3

n + n^2 <= -3

<= on your paper is written with the arrow and a line underneath. That is option J.
You might be interested in
Question 5 options: What is the approximate area of a circle with a radius of 11 cm? Use 3.14 for π. ______ cm2
kobusy [5.1K]

The area of circle is 379.94 cm².

Step-by-step explanation:

Given,

Radius of circle = 11 centimeters

We have to calculate the area of circle.

We know that;

Area of circle = \pi r^2

Here;

π = 3.14 , r = 11

Area of circle = 3.14*(11)^2

Area of circle = 3.14*121

Area of circle = 379.94 squared centimeters

The area of circle is 379.94 squared centimeters.

Keywords: area, circle

Learn more about circles at:

  • brainly.com/question/11921476
  • brainly.com/question/1232765

#LearnwithBrainly

8 0
4 years ago
Represent absolute value, not brackets. Calculate the value of this expression: |-7|×|5|+18÷|-6|. -38, -35, 32, 38.
umka21 [38]

Answer:

38

Step-by-step explanation:

|-7|×|5|+18÷|-6|

First take the absolute value of each number, which means take the positive value

7×5+18÷6

Multiply and divide from left to right

35 + 3

Then add

38

3 0
3 years ago
Un barco que hace cruceros por el mar Caribe dispone de camarotes de una plaza y de dos plazas. Si en total hay 215 camarotes y
prisoha [69]

Answer:

- There are 71 one-quarter cabins and 144 two-seater cabins on the cruise ship.

- Hay 71 cabinas de un asiento y 144 cabinas de dos asientos en el crucero.

Step-by-step explanation:

English Translation

A ship that cruises in the Caribbean Sea has one and two-seater cabins. If there are 215 cabins and 359 seats in total, find out how many cabins there are of each type.

Let the number of one seater cabins be x

Let the number of two seater cabins be y

There are x seats on the one seater cabins and there are 2y seats in total for the two seater cabins

x + y = 215 (eqn 1)

x + 2y = 359 (eqn 2)

Subtract eqn 1 from eqn 2

y = 359 - 215 = 144

x + y = 215

x = 215 - y = 215 - 144 = 71

There are 71 one-quarter cabins and 144 two-seater cabins on the cruise ship.

In Spanish/En español

Deje que el número de cabinas de un asiento sea x

Deje que el número de cabinas de dos plazas sea y

Hay x asientos en las cabinas de un asiento y hay 2 asientos en total para las cabinas de dos asientos

x + y = 215 (ecuación 1)

x + 2y = 359 (ecuación 2)

Resta la ecuación 1 de la ecuación

2 y = 359 - 215 = 144

x + y = 215

x = 215 - y = 215 - 144 = 71

Hay 71 cabinas de un asiento y 144 cabinas de dos asientos en el crucero.

Hope this Helps!!!

4 0
3 years ago
Find the value of x.
love history [14]

Answer:

x is 64 degrees

Step-by-step explanation:

Since the polygon is a quad we know all the angles add up to 360. So, we can do :

100 + 130 + 66 = 360 - x

296 = 360 - x

Subtract 360 on both sides

-64 =  -x

Multiply by negative one on both sides and we get

64 = x

x is 64 degrees

8 0
4 years ago
Evaluate the expression for s = -1.
viva [34]

Answer:

the expression for s = -1.

is s+1=0

4 0
3 years ago
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