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gladu [14]
3 years ago
15

I need help on 7 a-c. it could really help me if someone helps.

Mathematics
1 answer:
kondaur [170]3 years ago
8 0
Shshshshsjdhsh c (I need 20 characters)
You might be interested in
Order from least to greatest: 2/3, 25%, 3/5, 0.40 and show work
enyata [817]
First, you will have to convert all of these numbers to decimals.
2/3=0.6 repeating 
25%=0.25
3/5=0.6
0.40 is already in the decimal form
Then, you order them.
25%, 0.40, 3/5, 2/3 (because the 6 is repeating. So basically 0.60 is smaller than 0.66 in case you are wondering)
4 0
3 years ago
Solve for in the equation = .
tekilochka [14]

Answer:

Where is the equation?

I would be happy to help but this is not a real math question sorry!

Step-by-step explanation:

N/A

5 0
3 years ago
The number N = 100+100^2+100^3 + ... +100^n . Find the least possible value of n such that the number N is divisible by 11.
soldier1979 [14.2K]

It's a big alphabet, why confuse us with N and n?

Anyway, this one is a bit easier than it looks.  We're going to look at it mod 11, meaning we're only interested in the remainders when we divide by 11.  The nice thing about multiplication and addition is if we're going to take the remainder at the end, we can also take the remainders at the beginning and along the way and get the same answer, with smaller numbers.

That all sounds very complicated.  It's easier explained.

100 =9*11 +1 so has remainder 1 when divided by 11.  So if we multiply by 100 that's not going to change the remainder when we divided by 11; it's like multiplying by 1.

So 100, 100^2, 100^3, etc all have remainder 1 when divided by 11.  So we need to add up 11 of them to get a number that's divisible by 11.

Answer: 11


4 0
4 years ago
What is the solution for this system of equations? <br>y= -1/4x + 6<br>y= x+1​
snow_lady [41]

9514 1404 393

Answer:

  (x, y) = (4, 5)

Step-by-step explanation:

Equating the expressions for y gives ...

  -1/4x +6 = x +1

  5 = 5/4x . . . . . . . add 1/4x-1

  4 = x . . . . . . . . . . multiply by 4/5

  y = x +1 = 4 +1

  y = 5

The solution is (x, y) = (4, 5).

3 0
3 years ago
The perimeter of a rectangular garden is 44 meters. The length of the rectangle is 5 less than twice the width. Find the length
defon

9514 1404 393

Answer:

  • width: 9 m
  • length: 13 m

Step-by-step explanation:

Let w represent the width. Then the length is 2w-5, and the perimeter is ...

  P = 2(L+W)

  44 = 2((2w-5) +w)

  44 = 6w -10

  54 = 6w

  9 = w

  2(9) -5 = 13 = length

The length of the rectangle is 13 meters; the width is 9 meters.

6 0
3 years ago
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