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RideAnS [48]
3 years ago
7

I really need help on this

Mathematics
2 answers:
sveta [45]3 years ago
8 0

Answer:

b

Step-by-step explanation:

laila [671]3 years ago
4 0

Answer:

its B

Step-by-step explanation:

math  way

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Which point of intersection is the solution to the system that of equations y= 2/5x-1/2 and y=-1/3x+2/3
Mrrafil [7]

Answer:

x = 35/22

y = 3/22

Step-by-step explanation:

y= 2/5x-1/2 ................(1)

y=-1/3x+2/3 ...............(2)

10*(1)

10y = 4x -5 ...................(1A)

3*(2)

3y = -x +2  ....................(2A)

To find intersection, solve for y & x

4(2A) + (1A)

12y+10y = -4x+4x +8-5

22y = 3

y = 3/22

Substitute in (1)

3/22 = 2/5x -1/2

multiply by 110

15 = 44x - 55

70 = 44x

x = 70/44 = 35/22

5 0
3 years ago
PLEASE HELP I NEED THE ANSWER FOR NUMBER 2 AND NUMBER 3
11Alexandr11 [23.1K]

Answer:

Hello!

answer: number 2 is a supplementary angle

answer: number 3 is complementary angle

Hope that helps!

8 0
3 years ago
When it comes to airport security, when in come to passengers going through security and being flagged as a risk, what kind of p
romanna [79]

Answer:

Correct option: (A) Someone with dangerous material that pass through security.

Step-by-step explanation:

Before boarding a flight every person has to pass through airport security.

The security checks every person thoroughly before they are confirmed as safe to go.

The security checks every person for some harmful substances like, weapons, chemical,etc.

If a person is caught with any of these objects the security stops them from boarding the plane.

So if a person is flagged as a risk by the airport security, he/she should have been carrying any kind of harmful substances.

Thus, the correct option is (A).

8 0
3 years ago
PLLLEEEASSSSEEEE ANSWER FAST
vodomira [7]

Answer:

36.48 cm²

Step-by-step Explanation:

If you take a careful look at the figure given, you'd realise that the area of the shaded portion is actually created by 2 overlapping quarter circle.

The area of the shaded portion = Area of Square - Area of Unshaded part

Area of square = s² = 8² = 64 cm²

Area of the Unshaded portion = 2(Area of Square - Area of Quarter Circle)

= 2(s² - ¼*πr²)

Where, radius (r) = s = 8 cm, take π as 3.14

Area of unshaded part = 2(8² - ¼*3.14*8²)

= 2(64 - ¼*3.14*64)

= 2(64 - 1*3.14*16)

= 2(64 - 50.24)

= 2(13.76)

Area of unshaded part = 27.52 cm²

Area of shaded part = Area of Square - Area of Unshaded part

Area of shaded part = 64 - 27.52 = 36.48 cm²

6 0
3 years ago
The proceeds from a saturday car wash are directly proportional to the number of cars washed. the total after 7 cars is $140. ho
maks197457 [2]
140/7=20. Which means they charge $20 per car.
60*20=$1200
7 0
4 years ago
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