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BartSMP [9]
3 years ago
11

(-4+6i) + (-6-2i) How do I solve

Mathematics
2 answers:
Lynna [10]3 years ago
7 0

Answer:

-10+4i = -2(5-2i)

Step-by-step explanation:

(-4+6i) + (-6-2i)

Collecting like terms

(-4-6) + (6i-2i)

-10+4i

-2(5-2i)

elena55 [62]3 years ago
5 0

Answer:

(-4+(-6))+(6i-2i)

(-10+4i)

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Farmer bob's square plot ofland is slowly eroding away. Worried about the future of his farm. Farmer Bob measures the rate of er
kow [346]

Answer:

Option A.

Step-by-step explanation:

Area of a square is

A=x^2               .... (1)

where, x is side length.

The length of each side of his square plot is decreasing at the constant rate of 2 feet/year.

\dfrac{dx}{dt}=2

It is given that bob currently owns 250,000 square feet of land.

Fist find the length of each side.

A=250000

x^2=250000

Taking square root on both sides.

x=500

Differentiate with respect to t.

\dfrac{dA}{dt}=2x\dfrac{dx}{dt}

Substitute x=500 and \frac{dx}{dt}=2 in the above equation.

\dfrac{dA}{dt}=2(500)(2)

\dfrac{dA}{dt}=2000

Farmer bob is losing 2,000 square feet of land per year.

Therefore, the correct option is A.

7 0
2 years ago
On 12/31/18, Hite Industries reported retained earnings of $475,000 on its balance sheet, and it reported that it had $135,000 o
olganol [36]

Answer:

Dividends = $105000

So option (c) will be correct answer

Step-by-step explanation:

We have given that Retained earning on 12/31/18 is $475000

And retained earning on 12/31/18 is $445000

Net income = $135000

Change in retained income = $475000-$445000 = $30000

We have to find dividends

We know that dividends is given by

Dividends = net income - change in retained income = $135000-$30000 = $105000

So option (c) will be correct answer

7 0
3 years ago
A rectangle sandbox has an area of 64 square yards. What might be the perimeter of the sandbox?
zubka84 [21]

Answer:

32

Step-by-step explanation:

4 0
3 years ago
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The ratio of adults to children attending a new exhibit at the museum was found to be 8:5. Based on this ratio, if 390 people at
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8x+5x=390\\
13x=390\\
x=30\\\\
5x=5\cdot30=\boxed{150}
6 0
3 years ago
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(b) A shopkeeper gives 20% discount on the marked price of a television set. The VAT amount at the rate of 13% is Rs. 2,600. Fin
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Answer:

6.3

Step-by-step explanation:

i had the same question for school

6 0
2 years ago
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