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Oxana [17]
4 years ago
5

Distance between these points.R(-1,0), 5(8,6)​

Mathematics
1 answer:
liraira [26]4 years ago
5 0

Answer:

Distance = 3√13

Step-by-step explanation:

(-1 ,0)=(x_1 ,y_1)\\(8,6)=(x_2 , y_2)\\\\d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\ \\d = \sqrt{(8-(-1))^2+(6-0)^2}\\ \\d = \sqrt{(8+1)^2 +(6-0)^2}\\ \\d = \sqrt{(9)^2 +(6)^2}\\ \\d = \sqrt{81+36}\\ \\d = \sqrt{117} \\\\d= 3\sqrt{13}

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Find x if segment AB=32cm and segment CD=2/3x-10
Rina8888 [55]
It would be useful if there was a photo, but I'm just gonna assume AB is equal to CD. If that were the case, 2/3x-10 = 32. Add ten on both sides, end up with 2/3 = 42. Then divide 42 by 2/3 and you should end up with 63
7 0
4 years ago
Solve x − 2y = 3 for x
sammy [17]

Answer:

x=2y+3

Step-by-step explanation:

x − 2y = 3

x=2y+3

3 0
3 years ago
What is the value of x?
satela [25.4K]

Answer:

x = 4

Step-by-step explanation:

By property of intersecting secants outside of circle.

PC \times PA = PB \times PD \\ 10(2x + 10)  = 9(2x + 3 + 9) \\ 20x + 100 = 18x + 108 \\ 20x - 18x = 108 - 100 \\ 2x = 8 \\ x =  \frac{8}{2}  \\ \huge \red{ \boxed{ x = 4}}

5 0
3 years ago
What was the total distance, in miles, Eil has biked when he finally reached the library?
MrMuchimi

Answer:

Distance covered by Eli is 5\frac{19}{20} miles.

Step-by-step explanation:

Eli biked the distance from his home initially = 1\frac{1}{10} miles

Then he remembered that he had left a book at home.

He came back home and traveled the distance = 1\frac{1}{10} miles

Then he reached the library by traveling the distance = 3\frac{3}{4} miles

Total distance covered by him = 1\frac{1}{10}+1\frac{1}{10}+3\frac{3}{4}

                                                   = 1 + \frac{1}{10}+1+\frac{1}{10}+3+\frac{3}{4}

                                                   = 5 + \frac{1}{10}+\frac{1}{10}+\frac{3}{4}

                                                   = 5+\frac{2}{20}+\frac{2}{20}+\frac{15}{20}

                                                   = 5+\frac{19}{20}

                                                   = 5\frac{19}{20} miles

Therefore, distance covered by Eli is 5\frac{19}{20} miles.

3 0
4 years ago
Which of the following options is equivalent to 140% Select all that apply.
Natali [406]
--------------------------------------------------
Change each of the options into percentage
---------------------------------------------------

--------------------------------------------------
Option A: Decimal to percentage: x100
---------------------------------------------------
0.14 x 100 = 14%

--------------------------------------------------
Option 2: Fraction to percentage: x100
---------------------------------------------------
5/7 x 100 = 71.4%

--------------------------------------------------
Option C: Fraction to percentage: x 100
---------------------------------------------------
12/5 x 100 = 240%

--------------------------------------------------
Option D: Decimal to percentage: x 100
---------------------------------------------------
1.4 x 100 = 140%

--------------------------------------------------
Answer D
---------------------------------------------------
5 0
4 years ago
Read 2 more answers
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