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Alex73 [517]
3 years ago
5

Slope intercept from 2x+2y=10

Mathematics
1 answer:
vampirchik [111]3 years ago
4 0

y=x-5

Thatll be one brainliest

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Please help me 4and 5
hoa [83]
What grade are you in

5 0
3 years ago
(-x+3)-(x-5) please show work​
Lina20 [59]

simplify each term

apply the distributive property

-X+3+(-X- -5)

multiple -1 by -5

-X+3+(-x+5)

remove unnecessary parentheses

-x+3-×+5

subtract x from -x

-2x+3+5

add 3 and 5.

-2x+8

5 0
3 years ago
Alberto measures the length of a piece of wire to be 105 cm. The actual length of the wire was 120 cm. What was the percent erro
natali 33 [55]

Answer:

12.5%

Step-by-step explanation:

105 over 120 is the fraction that he got so you subtract 105 from 120 to get how much he missed. 120-105=15

He miscalculated by 15 cm out of the total of 120, 15/ 120

15/120=5/40=2.5/20 multiply the top and bottom by 5 to get the percentage out of 100. 2.5 times 5 =12.5, so he miscalculated by 12.5%

7 0
3 years ago
Help find the perimeter! Please help! (30 points)
lord [1]
The perimeter is 16, according to my calculations.
5 0
3 years ago
Read 2 more answers
Four circles of unit radius are drawn with centers $(1,0)$, $(-1,0)$, $(0,1)$, and $(0,-1)$. a circle with radius 2 is drawn wit
Reika [66]
Check the picture 1.

The regions contained in an odd number of these 5 circles are

the pink colored region, contained only in the circle with radius 2, 

and the yellow regions, each contained in the intersection of 2 small circles and the third large circle.

So what we need to determine is the "area pink + area yellow".


Consider the second picture.

Let A2 be the area of the right isosceles triangle, and A1 be half of the yellow region.

the region A2 + A1 is called a sector, and it is 1/4 of the area of a unit circle.

A1=A_{sector}-A2= \frac{1}{4} \pi r^2- \frac{1}{2}.1.1= \frac{1}{4} \pi 1^2- \frac{1}{2}=  \frac{1}{4}\pi- \frac{1}{2}


Thus, the overall yellow region is 8A1=8(\frac{1}{4}\pi- \frac{1}{2})=2\pi-4


The purple area is:
 
Area of large circle - 4*(Area of 1 small circle) + yellow region.

(because subtracting all 4 small circles means that each of the 4 separate yellow regions have been subtracted twice)

A_{purple}=\pi.2^2-4(\pi.1^2)+2\pi-4=4\pi-4\pi+2\pi-4=2\pi-4


Finally, the total area is : 2\pi-4+2\pi-4=4\pi-8 (units squared) 



Answer:   6\pi-8    square units

6 0
3 years ago
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