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adell [148]
2 years ago
12

I need help to do this task I do not understand!☹️

Mathematics
1 answer:
Misha Larkins [42]2 years ago
4 0
To rotate a point 180 degrees, you simply multiply both the x and y value by -1. For example, for A (-7, 1) we can rotate it 180 degrees to get (-7*-1, 1*-1)=(7, -1)
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What is the equation of a circle with center (-3,-5) and radius 4?
kobusy [5.1K]

Answer:   D) (x + 3)² + (y + 5)²  = 16

<u>Step-by-step explanation:</u>

The equation of a circle is: (x - h)² + (y - k)² = r²    

where (h, k) = center   and    r = radius

Given: (h, k) = (-3, -5)  r = 4

Equation: (x - (-3))² + (y - (-5))² = 4²

                 (x + 3)²  +  (y + 5)²  = 16

8 0
3 years ago
Find the value of y. Round your answers to the nearest tenth
ANTONII [103]

Answer:

y ≈ 4.3

Step-by-step explanation:

Since the figures are similar then the ratios of corresponding sides are equal, that is

\frac{AB}{RS} = \frac{ED}{VU} , substitute values

\frac{6}{4} = \frac{8}{y+1} ( cross- multiply )

6(y + 1) = 32

6y + 6 = 32 ( subtract 6 from both sides )

6y = 26 ( divide both sides by 6 )

y ≈ 4.3 ( to the nearest tenth )

4 0
2 years ago
Read 2 more answers
I will give out BRAINLIEST for the correct answer!
earnstyle [38]

Answer:

2

Step-by-step explanation:

8 0
3 years ago
In this unit, you worked with geometric proofs. A proof is a logical sequence of justified conclusions that lead from a hypothes
Alborosie

Answer:

Not only in mathematics, scientific proof also are required in the other field of science. Also maths proofs are of particular structure, containing steps and logics. So proving is like doing science, it is science. That's why it is important to prove. 


Step-by-step explanation:


4 0
2 years ago
Read 2 more answers
I need helppppppppppppp
ohaa [14]
Simplify

4ax+12-3ax=25+3a

ax+12=25+3a

ax-3a=25-12

a(x-3)=13
5 0
2 years ago
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