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Kamila [148]
3 years ago
6

A contractor completed five-ninths of a job before a second contractor completed an additional one-third. What fraction of the j

ob is left undone?
one-ninth
four-ninths
two-thirds
eight-ninths
Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
7 0

Answer:

one ninthhope its right

Lina20 [59]3 years ago
4 0
The answer is, one-ninth.
HOPE THIS HELPS! ^_^
You might be interested in
Seven times the difference of a number and 7.
Ymorist [56]

Answer:

7(n-7)

Step-by-step explanation:

it tells us that there is difference of a number and 7

a number=n

this will be (N-7)

this tells us that seven times the equation (N-7), so just multiple 7 by the equation (n-7)

7(n-7)

3 0
4 years ago
Read 2 more answers
If anyone could help me with this I'd be really grateful.
Lostsunrise [7]

Answer:

d = 9

Step-by-step explanation:

Calculate the slope m of line AB and equate the result to 3

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = A(4, 6) and (x₂, y₂ ) = B(d, 21)

m = \frac{21-6}{d-4} = \frac{15}{d-4} = 3 ( multiply both sides by d - 4 )

15 = 3(d - 4), that is

15 = 3d - 12 ( add 12 to both sides )

27 = 3d ( divide both sides by 3 )

9 = d

8 0
3 years ago
2x+3-3=-6<br><br><br><br> x=3 ? Solve
ivann1987 [24]

2(x)+3-3=-6\\2(3)+3-3=-6\\6+3-3=-6\\6=-6\\

x\neq 3

As we can see, x cannot be equal to 3 as 6 cannot equal -6.

I hope I've helped! :)

6 0
2 years ago
What is the additive inverse of non complex 9
svet-max [94.6K]

the additive inverse of non complex 9 is -9 .

<u>Step-by-step explanation:</u>

Complex number is said to be the sum of whole numbers and imaginary numbers.The additive inverse of the any number is the changing the sign of the number. That is instead –ve sign is positive and vice versa.

Additive Inverse of Complex Numbers:

Let take the complex numbers  Z = X + iy and its inverse be Z^{-1} = a + ib

Step 1: Now add the Z and Z-1, we get

Z + Z^{-1} = (X + iy) + (a + ib) = 0

Step 2: Combine Like term, we get

(X + a) + i (y + b) = 0

Step 3: By using zero product property, we can equating as

X + a = 0 and i (y + b) = 0

X = -a and y = -b

Thus, the additive inverse of the complex numbers X + iy = -X - iy .

Now, additive inverse of 9+0i = -9-0i=-9 .

Therefore , the additive inverse of non complex 9 is -9 .

4 0
4 years ago
Bill and Sally Kaplan have an annual spending plan that amounts to $39,500. If inflation is 3 percent a year for the next three
meriva

Answer:

$41,162.71

Step-by-step explanation:

We have the formula to find out the future value of an amount:

FV = PV (1+ r)^{n when:

- PV is the present value

- r : interest rate or inflation rate

- n is the duration

So that, we substitute PV = $39,500, inflation rate = 3% and duration = 3 into the above fomula, we have:

FV = 39,500x(1+ 0.03)^{3} = 41,162.71  is the amount  Kaplans need for their living expenses three years from now

Hope this answer will find you well

3 0
3 years ago
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