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Nataly [62]
3 years ago
9

Need help with this asap, please

Mathematics
1 answer:
Lilit [14]3 years ago
6 0

Answer:

<h3>             Perimeter = 3√5 + 6 + √73 + √58 + 5√2</h3>

Step-by-step explanation:

AB=\sqrt{(6-0)^2+(5-8)^2}=\sqrt{36+9}=\sqrt{45}=3\sqrt5\\\\BC=|-1-5|=|-6|=6\\\\CD=\sqrt{(-2-6)^2+(-4-(-1))^2}=\sqrt{64+9}=\sqrt{73}\\\\DE=\sqrt{(-5-(-2))^2+(3-(-4))^2}=\sqrt{9+49}=\sqrt{58}\\\\EA=\sqrt{(0-(-5))^2+(8-3)^2}=\sqrt{25+25}=\sqrt{25\cdot2}=5\sqrt2

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The expression below represents the distance between two points on a number line.
Mrrafil [7]

Answer:

A

Step-by-step explanation:

|-5 - 4|

The expression represents the absolute value of - 5 - 4 ;

-5 - 4 = - 9

|-5-4| = 9

Hence, the distance between the two points is 9.

Hence, the number line which shows the two points is A.

3 0
3 years ago
The price of a fan is $15. This price is 27% lower than last week.
Goshia [24]

The price of fan was 20 Dollars 55 cents last week.

Step-by-step explanation:

Let,

The price last week = x

As the price is 27% lower than last week, therefore

(100%-27%) * Price last week = $15

73% * x = 15

Solving the percentage;

\frac{73}{100}*x=15\\ Multiplying\ both\ sides\ by\ 100\\100*\frac{73x}{100} = 15*100\\73x=1500\\Dividing\ both\ sides\ by\ 73\\\frac{73x}{73} = \frac{1500}{73} \\x= 20.55

The price of fan was 20 Dollars 55 cents last week.

Keywords: Percentage, multiplication.

Learn more about percentages at:

  • brainly.com/question/2140933
  • brainly.com/question/2142762

#LearnwithBrainly

5 0
3 years ago
Is a 4(2x-3)&lt;8(x+1) always ,sometime,or never true?
Taya2010 [7]

Answer:

Step-by-step explanation:

Step 1: Simplify both sides of the inequality.

8

x

−

12

<

8

x

+

8

Step 2: Subtract 8x from both sides.

8

x

−

12

−

8

x

<

8

x

+

8

−

8

x

−

12

<

8

Step 3: Add 12 to both sides.

−

12

+

12

<

8

+

12

0

<

20

7 0
3 years ago
Read 2 more answers
How many numbers of the set {1, 2, 3, 4, . . . , 297, 298, 299, 300} are multiples of 10 but not multiples of 15?
slega [8]

Answer:

I get 20

Step-by-step explanation:

While there probably is some logical way to go about this I just did it in excel

screenshot below

5 0
3 years ago
Read 2 more answers
Darnell is trying to decide on the dimensions of his next painting. He wants to length to vary inversely with the width. The tab
alexandr1967 [171]

<em>Answer:</em>

<em>D)</em>

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

<em>We know that it cannot be C since z is not involved in this problem.</em>

<em>a) 3/20x</em>

<em>Try with 20 = x</em>

<em>3/440 ≠ 3</em>

<em>A is not the answer.</em>

<em>b) 60x</em>

<em>Try with 20 = x</em>

<em>1800 ≠ 3</em>

<em>B is not the answer.</em>

<em>c) 60/x</em>

<em>Try with 20 = x</em>

<em>3 = 3</em>

<em>Try with 15 = x</em>

<em>4 = 4</em>

<em>D is your answer.</em>

<em>Hope this helps. Have a nice day. Oh, and one more thing. Surprised to see I'm not stealing points?</em>

8 0
2 years ago
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