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Natasha_Volkova [10]
3 years ago
15

Subtract. Write the answer in standard form. (12+4i)−(3−7i)

Mathematics
2 answers:
labwork [276]3 years ago
8 0

Answer:

9+11i

Step-by-step explanation:

Digiron [165]3 years ago
8 0

<em>Lo</em><em>ok</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>

<em>H</em><em>ope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em>

<h3><em>Good</em><em> </em><em>luck</em><em> </em><em>on</em><em> </em><em>your</em><em> </em><em>assignment</em></h3>

<em>~</em><em>p</em><em>r</em><em>a</em><em>g</em><em>y</em><em>a</em>

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Mateo, a 31-year-old nonsmoker ($5.50), wants to purchase $100,000 in coverage for himself and $75,000 for his spouse, who is fe
igomit [66]

Answer: B. $32.50

Step-by-step explanation:

The premiums listed in brackets are for every $25,000 of coverage.

Mateo wants a $100,000 coverage so we need to divide this by $25,000 to see how much more he will have to pay:

= 100,000 / 25,000

= 4

Mateo will have to pay 4 times the $5.50 for himself:

= 4 * 5.50

= $22.00

For his spouse who requires $75,000, he will have to pay:

= 75,000 / 25,000

= 3

= 3 * 3.50

= $10.50

Total Mateo is to pay for both his spouse and himself is:

= 22 + 10.5

= $32.50

4 0
3 years ago
Find the volume of the cylinder
Alex787 [66]

Answer:

see below

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

We know the radius is 9 and the height is 20

V = pi  ( 9)^2 ( 20)

V = 1620 pi

If we approximate pi by 3.14

V =5086.80 cm^3

If we approximate pi by pi button

V =5089.3800099 cm^3

8 0
4 years ago
Read 2 more answers
Phong is rolling a number cube and flipping a coin .what is the probability that the cube will land on 4 and the coin will land
Grace [21]
Probabblity that the cube lands on 4 = 1/6
Probablity that the coin lands heads up = 1/2
Probablity of both happening = 1/2 * 1/6 = 1/12
3 0
4 years ago
Please help me i would appreciate it greatly
Lera25 [3.4K]

Answer:

I would put B

Sorry if it's wrong I would have to know what the test is about to answer this

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the total number of servings the modified recipe will make?
Digiron [165]

9514 1404 393

Answer:

  B.  4

Step-by-step explanation:

Equating exponents, we have ...

  2x +7 = 15

  2x = 8 . . . . . subtract 7

  x = 4 . . . . . . divide by 2

The equation is true when the value of x is 4.

5 0
3 years ago
Read 2 more answers
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