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Yanka [14]
3 years ago
5

What is the distance between the points (5, 1) and (-3, -5)? 2 2 10 4

Mathematics
1 answer:
mezya [45]3 years ago
4 0

Step-by-step explanation:

Hey, there!!

The given points are A(5,1) and B(-3,-5)

We have, distance formulae for AB is,

ab =  \sqrt{ {(x2 - x1)}^{2}  + ( {y2 - y1)}^{2} }

ab =  \sqrt{( { - 3 - 5)}^{2}  + ( { - 5 - 1)}^{2} }

ab =  \sqrt{(  { - 8)}^{2} + ( { - 6)}^{2}  }

ab =  \sqrt{64 + 36}

ab =  \sqrt{100}

Therefore, the distance between AB points is 10 units.

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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leva [86]

Answer:

The possible values of the perimeter of the rectangle is between 18 and

18.4 cm ⇒ [18 < perimeter of rectangle < 18.4] cm

Step-by-step explanation:

* Lets explain how to solve the problem

- The perimeter of any quadrilateral is the sum of the length of its

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- The rectangle is a quadrilateral with each two opposite sides are

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∵ The the length of the rectangle is a

∵ 5.4 < a < 5.5 cm

∵ The perimeter of the rectangle = 2a + 2b

- Lets multiply the inequality by 2

∴ 5.4 × 2 < a × 2 < 5.5 × 2

∴ 10.8 < 2a < 11 ⇒ (1)

∵ The width of the rectangle is b

∵ 3.6 < b < 3.7 cm

- Lets multiply the inequality by 2

∴ 3.6 × 2 < b × 2 < 3.7 × 2

∴ 7.2 < 2b < 7.4 ⇒ (2)

- <u><em>Add inequalities (1) and (2)</em></u>

∵     10.8 < 2a < 11

  +   7.2 < 2b < 7.4

∴  18 < 2a + 2b < 18.4

∵ 2a + 2b represents the perimeter of the rectangle

∴ The possible values of the perimeter of the rectangle is between

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7 0
3 years ago
Solve 3x 2 + 11x + 6 = 0
ollegr [7]

Answer:

x=

3

2

​

=0.667

x=3

Step-by-step explanation:

6 0
3 years ago
Hey can some one help me with this
Leno4ka [110]
Hello!

First you have to find the surface area of what he is painting

Finding the areas of all the rectangles he is painting

14 * 8 = 112
14 * 8 = 112
12 * 8 = 96
12 * 8 = 96
12 * 14 = 168

Add all these up

112 + 112 + 96 + 96 + 168 = 584

Divide this by the amount of area a pint of paint covers

584 / 90 = 6.4888...

He needs 7 pints of paint because he needs more than 6

Multiply this by the cost of 1 pint of pint

7 * 7.98 = 55.86

The answer is $55.86

Hope this helps!
3 0
3 years ago
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lutik1710 [3]

Answer: y=0,5x²-x-1,5.

Step-by-step explanation:

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We summarize (1) and (3):

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From (5) subtract (4):

8a=4\ |:8\\a=0,5.\ \ \ \  \Rightarrow\\

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Hense:

y=0,5x²-x-1,5.

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