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MatroZZZ [7]
2 years ago
9

Find the distance between the points A and B given below round your answer to the nearest hundredth

Mathematics
1 answer:
trasher [3.6K]2 years ago
8 0

Answer:

\sqrt{13}  or  3.61

Step-by-step explanation:

Draw a right triangle and use the Pythagorean Theorem to find the hypotenuse, using the given points to find the length of the two sides.  See the attachment.

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Triangle A″B″C″ is formed by a reflection over x = 1 and dilation by a scale factor of 2 from the origin. Which equation shows t
andrew-mc [135]

Answer:

segment AB over segment A double prime B double prime = the square root of 13 over 2 times the square root of 13

Step-by-step explanation:

Triangle ABC has vertices at points A(-3,3), B(1,-3) and C(-3,-3).

1. Reflection over x = 1 maps vertices A, B and C as follows

  • A(-3,3)→A'(5,3);
  • B(1,-3)→B'(1,3);
  • C(-3,-3)→C'(5,-3).

2. Dilation by a scale factor of 2 from the origin has the rule

(x,y)→(2x,2y)

So,

  • A'(5,3)→A''(10,6);
  • B'(1,3)→B''(2,6);
  • C'(5,-3)→C''(10,-6)

See attached diagram for details

Note that

A''B''=2AB\\ \\A''C''=2AC\\ \\B''C''=2BC,\\ \\AB=\sqrt{(-3-1)^2+(3-(-3))^2}=\sqrt{16+36}=\sqrt{52}=2\sqrt{13}

so

\dfrac{AB}{A''B''}=\dfrac{2\sqrt{13}}{2\cdot 2\sqrt{13}}=\dfrac{\sqrt{13}}{2\sqrt{13}}

7 0
3 years ago
Today was my first day :p<br> Brainliest goes to whoever inserts the funniest picture :&gt;
Artyom0805 [142]
this gotta be funny

5 0
2 years ago
Emerson struck out 112 times in 350 at-bats. What is the percent of strike outs per at-bat?
Natasha2012 [34]

We are told that Emerson struck out 112 times in 350 at-bats. We are asked to find the percent of strike outs per at-bat.

Let us find out 112 is what percent of 350.

\text{Percentage of strike outs per at-bat}=\frac{112}{350} \cdot 100

\text{Percentage of strike outs per at-bat}=0.32 \cdot 100

\text{Percentage of strike outs per at-bat}=32

Therefore, Emerson struck out 32% of the at-bats.

6 0
3 years ago
Hey there! posted picture of question help please
kakasveta [241]
For this case we have the following function:
 f (x) = (1/3) * (4 ^ x)
 We must evaluate the function for x = 2
 We have then:
 f (2) = (1/3) * (4 ^ 2)
 Rewriting:
 f (2) = (1/3) * (16)
 f (2) = 16/3
 Answer:
 
The function evaluated at x = 2 is:
 
f (2) = 16/3
 
option A
7 0
3 years ago
Correct answer gets Brainliest! Solve for x.
Simora [160]

Subtract 13 from both sides:

-7-13 \geq -5x

-20 \geq -5x

Divide both sides by -5. Since this is a negative number, you have to invert the inequality sign:

4 \leq x

Which means

x \geq 4

4 0
3 years ago
Read 2 more answers
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