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crimeas [40]
3 years ago
7

What is the process for finding the answer to: 0.2x - 1 = -1?

Mathematics
2 answers:
Leya [2.2K]3 years ago
7 0
Add one to each side which gives you 0.2x=0
Then divide each side by 0.2 so that the 0.2s on the same side cancel out so you’re left with 0/0.2 so the answer would be x= 0
Neko [114]3 years ago
4 0

Step-by-step explanation:

0.2x - 1 = -1

first write out the problem

0.2x - 1 = -1

        +1   +1     Add 1 to both sides to remove the -1 from the same side as x

0.2x     =  0

/0.2        /0.2  Divide the number being multiplied with x to get x alone

0/0.2 = 0

x = 0         Now you have the answer.

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The radius of Circle A is 6 mm. The radius of Circle B is 4 mm greater than the radius of Circle A. The radius of Circle C is 2
labwork [276]

Answer:

Area of circle A =113.14 mm²

Area of circle b = 314.29 mm²

Area of circle C = 452.57 mm²

Area of circle A = 254.57 mm²

2.25 times

Step-by-step explanation:

Area of a circle = nr²

where n = 22/7

r = radius

Circle A's radius = 6mm

Circle B's radius = 6mm + 4mm = 10mm

Circle C's radius = 10mm + 2mm = 12mm

Circle D's radius = 12mm - 3mm = 9mm

Area of circle A = (22/7) x 6² = 113.14 mm²

Area of circle b = (22/7) x 10² = 314.29 mm²

Area of circle C = (22/7) x 12² = 452.57 mm²

Area of circle A = (22/7) x 9² = 254.57 mm²

Number of times the area of circle D is greater than that circle A = Area of circle D / Area of circle A

254.57 mm² / 113.14 mm² = 2.25 times

4 0
3 years ago
Help me please I have no idea on how to do this. Thanks
andriy [413]
1) P=2w +2l
46=2w +14
32=2w
16= w or width

2) A=lw
A=7 x 12
A= 84

3) A= 12 x 21
A= 252
6 0
3 years ago
Madison is making party flavors she wants to make enough flavors so each guest gets the same number of flavors she knows there w
bazaltina [42]

Answer:


Step-by-step explanation:

To find the least number of party favors, we have to consider the number of guests.


In this case, there are two possibilities—6 or 8.


For 6: 6, 12, 18, 24 (Add 6 to each number)

For 8: 8, 16, 24 (Add 8 to each number)


Now in both series, the least number (that is in common) is 24. Hence, Madison should make at least 24 party favors.




7 0
2 years ago
If a*b means 2a + b , then what is 2*5 ?
NeX [460]

Answer:

9

Step-by-step explanation:

let a = 2

b = 5

2a + b

Substituting the values,

=> 2(2) + 5

=> 4 + 5

=> 9

3 0
3 years ago
1. Rich wants to buy a coat priced at x dollars. It is on sale for 20% off. He must
alexandr1967 [171]

Answer: x-0.20x+0.0725x

Step-by-step explanation:

Let x be the price. 20% (0.20) 7.25% (0.0725)

x-0.20x+0.0725x

6 0
2 years ago
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