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IgorLugansk [536]
3 years ago
9

What would the answer be

Mathematics
1 answer:
Mrac [35]3 years ago
3 0

Answer:

(x,y)  (2,-1)

Step-by-step explanation:

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Need help to understand this question thank you :)
Novosadov [1.4K]
Complementary angles add up to equal 90 degrees. Knowing this, you can subtract 68 from 90. 90-68=22.

Hope this helps.
8 0
3 years ago
Which of the following ordered pairs represents the solution to the system given below?
pentagon [3]
(3,-1) just fill it in and the only one that makes sense is the first one 
4 0
2 years ago
Find the area of the equilateral triangle.if its perimeter is 24cm​
mezya [45]

Answer:

16√3 cm²

Step-by-step explanation:

The perimeter of a triangle is the sum of its all three sides. Since this is an equilateral triangle, all sides are equal.

Let's consider one side of the triangle to be 'x'

Givent that, the perimeter is 24cm,

The equation should be x + x + x = 24

⇒3x = 24

∴ x = 8 cm

To find the area of the triangle, we need to find the height, and for that, we can use trigonometry.

Since it is an equilateral triangle, all angles are exact 60°.

let's draw a line and mark it as 'h'.

we can use sine formula to find out the opposite i.e. h

sin∅ = opposite ÷ hypotaneous

sin 60° = h ÷ 8

h = 8 sin 60°

h= 4√3

Now, let's find the area

Area = 1/2 × base × height

Area = 1/2 × 8 × 4√3

area= 16√3 cm²

7 0
3 years ago
Someone help me please
Orlov [11]

Answer:

A 500.00 look there's a pattern

5 0
2 years ago
The ratio of boys to girls in a class is 3:1. There are 36 students in the class. How many students are girls
eduard

Hi there!

Boys 3x

Girls x

Total 4x = 36

           x=9

        27 boys

         9 girls

Hope you understand,

Have a nice day,

Wolfiex

6 0
2 years ago
Read 2 more answers
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