Find the perimeter of triangle ABC, with coordinates A(-3, 0), B(0, 4), and C(3, 0)

Answers

Answer 1

Answer: $Perimeter\ = AB+BC+AC\n\n AB=√((x_B-x_A)^2+(y_B-y_A)^2)=√((0+3)^2+(4-0)^2)=\n√(3^2+4^2)=√(9+16)=√(25)=5\n\n BC=√((x_C-x_B)^2+(y_C-y_B)^2)=√((3-0)^2+(0-4)^2)=\n√(3^2+(-4)^2)=√(9+16)=√(25)=5\n\n\ AC=√((x_C-x_A)^2+(y_C-y_A)^2)=√((3+3)^2+(0-0)^2)=\n√(6^2+0^2)=√(36+0)=√(36)=6\n\nPerimeter=5+5+6=16$

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When y = x^2, which of the following expressions is
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Answers

-y=-(x^2) because you multiply both sides by -1.

How do you solve 4 x - 11 = 21

Answers

$4 x - 11 = 21 \n \n 4x =21+11\n \n4x = 32 \ \ /:4 \n \nx= (32)/(8) \n \nx=4$

4x - 11 = 21
4x = 21 + 11
4x = 32
x = 32 divided by 4
x = 8
Hope that helps! :)

Good morning everyone i need help. Mom didn’t catch my cold because she had it last week so now she’sEnter the word that best completes the sentence.

Word Bank
divide motion circulation
immune inertia diffusion

Answers

the answer is immune hope this helps man!

Immune. It means u cant catch the disease

Jeremy loves snowboarding. His favorite stunt is catching big air and jumping off the ramp while holding on to the snowboard. Jeremy did this 20 times and recorded the heights (in meters) he achieved in each attempt. He wants to know whether his data set has negative, positive, or zero skew. {18, 23, 15, 16, 15, 17, 22, 16, 19, 11, 24, 14, 12, 16, 20, 18, 14, 13, 21, 11}
Jeremy's data set shows ____ skew.

Answers

To be able to determine the type of skew exhibited by the distribution of the heights he achieved in each of his attempt we arrange the distribution in order and obtain the frequency of each data in the distribution. Height (meters): 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 Frequency: 2, 1, 1, 2, 2, 3, 1, 2, 1, 1, 1, 1, 1, 1 Calculating the mean gives (11 x 2 + 12 + 13 + 14 x 2 + 15 x 2 + 16 x 3 + 17 + 18 x 2 + 19 + 20 + 21 + 22 + 23 + 24) / 20 = 335 / 20 = 16.75 Since there are more higher frequencies to the left of the mean we conclude that the distribution exhibits a positive skew.

How do i find the surface area?

Answers

Surface area is what it seems to be. All of the area of the solid's faces together. Like a cube, just find the areas of all of the squares that make the cube then add them together.

There+are+no+rational+numbers+that+are+also+whole+numbers

Answers

actually all the whole numbers are kind of rational numbers like : 1/1 , 2/1 , 3/1 , ...
so there are some rational numbers that are whole numbers too :))
i hope this be helpful
have a nice day

No. ALL whole numbers are rational. And what's with all the plus signs ? ? They really make your questions hard to read.

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