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Gennadij [26K]
3 years ago
9

What is the distance between the points (80,55) and (20,44)

Mathematics
1 answer:
kaheart [24]3 years ago
5 0
Distance formula : d = sqrt (x2 - x1)^2 + (y2 - y1)^2
(20,44)...x1 = 20 and y1 = 44
(80,55)..x2 = 80 and y2 = 55
now we sub and solve..
d = sqrt (80 - 20)^2 + (55 - 44)^2
d = sqrt ((60^2) + (11^2))
d = sqrt (3600 + 121)
d = sqrt 3721
d = 61 <==

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joes family has compleated 60% of a road trip. if they have traveld 30 miles, how far is the full road trip?
Tems11 [23]

The full road trip is 50 miles.

Step-by-step explanation:

Given,

Distance traveled by Joe's family = 30 miles

This represents 60% of the total distance to be traveled.

Let,

x be the total distance.

60% of x = 30

\frac{60}{100}*x=30\\0.6x=30

Dividing both sides by 0.6

\frac{0.6x}{0.6}=\frac{30}{0.6}\\x=50\ miles

The full road trip is 50 miles.

Keywords: percentage, division

Learn more about percentages at:

  • brainly.com/question/3375830
  • brainly.com/question/3398261

#LearnwithBrainly

4 0
3 years ago
Factor the polynomial expression x^4+18x^2+81
Vikentia [17]

Answer:

Step-by-step explanation:

Hello,

please consider the following

x^4+18x^2+81=(x^2)^2+2*(3^2)x^2+(3)^4\\\\=(x^2+9)^2

hope this helps

4 0
3 years ago
when angle anc is a right angle and angle anb = 2x and angle bnc = 3x then what is angle anb? what is angle bnc?
gtnhenbr [62]
We know, sum of all the angles in a triangle is equal to 180 degree
So, 90 + 2x + 3x = 180
5x = 180-90
x = 90/5
x = 18

∠ANB = 2x = 2(18) = 36
∠BNC = 3x = 3(18) = 54

Hope this helps!
6 0
3 years ago
Help pls! I need help to finish :(<br> No Links!
atroni [7]
The answer is 7.5.
7 4/8 is also 7.5
5 0
3 years ago
Have to find volume and surface area but idk how
Setler [38]

Answer:

volume 1050 in^{3}

surface area 859 in^{2}

Step-by-step explanation:

volume is length times width times height (7*25*12)/2

surface area is area of all the sides added together

2(25*12)+(12*7)+ 2(\frac{7*25}{2})

4 0
3 years ago
Read 2 more answers
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