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defon
3 years ago
11

Which expression is equivalent to 3i(9i +15)? - 45 +9i -27 + 452 27 +452 2722 + 452

Mathematics
1 answer:
vaieri [72.5K]3 years ago
3 0

Answer: B. -27+452i

Step-by-step explanation: Simplify the real and imaginary parts of the expression.

Hope this helps you out.

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Katherine went to Hibbet sports and spent $125.50 on a pair of shoes and $12.25
Sergio039 [100]

Answer:

1. $137.75

3. $149.15

Step-by-step explanation:

1.

12.25+125.50=137.75

3. 8.25% of 137.75= 11.4

137.75+11.4=149.15

3 0
3 years ago
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Mr. Hernandez's backyard is shaped like a trapezoid with a height of 10 m, a top base of 15 m, and a bottom base of 19 m. In his
Zolol [24]
The area of the trapezoid is calculated through the equation,
                             A = 0.5(b₁ + b₂)h
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                              A = 0.5(15 m + 19 m)(10 m)
                                   A = 170 m²
The area of the garden is 170 m². 
7 0
3 years ago
Read 2 more answers
What is the missing number. Explain how you determined your answer. <br><br> 5–8–14–26–50–?—194
katrin2010 [14]

Answer:

5-8 is +3

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14-26 is 3*4

26-50 is 3*8

which means 50 to the next number is 3*16, which is 48

48+50 is 98

Step-by-step explanation:

4 0
2 years ago
12.
g100num [7]

Answer:

Step-by-step explanation:

tan^{-1} (\frac{\sqrt{3} }{3} )=x\\tan x=\frac{\sqrt{3} }{3} =tan (\frac{\pi}{6} )\\x=\frac{\pi}{6}

7 0
3 years ago
determine if the ordered pair is a solution of the equation is (2,4) a solution of y = 10 -3×? true or false​
anzhelika [568]

Answer:

False

Step-by-step explanation:

4 = 10 - 3²

4 = 10 - 9

4 = 1

7 0
4 years ago
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