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mars1129 [50]
3 years ago
8

(-1)(-6 +3i) + (81)(-8+ 4i)

Mathematics
1 answer:
Tanya [424]3 years ago
4 0

Answer: here is the simplify version −642+321i

Step-by-step explanation:

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Drilon got 63 out of 72 correct in his test. What fraction of the marks did he get correct?
tatyana61 [14]

Answer:

87.5%

Step-by-step explanation:

6 0
3 years ago
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Find the value of x.<br><br><br><br><br> 36<br><br><br> 21<br><br><br> 42<br><br><br> 18
Degger [83]
The answer for this is 42. just subtract 152 from 68 and then divide that by 2. 
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3 years ago
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Ms. Zab gave a group of 5 students a total of 18.75 liters of water for a science experiment. If each student in the group used
wlad13 [49]

Answer: The quantity of the water received by each student = 3.75 liters.

Step-by-step explanation:

Given: Total water = 18.75 liters

Total students =5

If each student in the group used the same amount of water for their experiment, then the quantity of the water received by each student = \dfrac{\text{Total quantity}}{\text{Total students}}

=\dfrac{18.75}{5}\\\\=3.75\ liters

The quantity of the water received by each student = 3.75 liters.

4 0
3 years ago
Amanda and Mary each have a box of popcorn.
Schach [20]

Answer:

Amanda's box volume is 70 cm^3 greater than Mary's

Step-by-step explanation:

Find and then compare the volumes of the two boxes:

Amanda's:  10*10*13.5 cm^3 = 1350 cm^3

Mary's:  8*8*20 = 1280 cm^3

Amanda's box volume is 70 cm^3 greater than Mary's.

4 0
3 years ago
Multiply (-8x - 9)(-9x2 + 7x - 9).
Misha Larkins [42]
= <span>(-8x - 9)(-9x2 + 7x - 9)

= 72x</span>³ - 56x² + 72x + 81x² - 63x + 81

= 72x³ + 25x² + 9x + 81

In short, Your Answer would be: Option D

Hope this helps!
3 0
3 years ago
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