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3241004551 [841]
2 years ago
14

Please help![3 x 2⁵ - 13 x (-2)] + 2³ (-2² +3²) - 3 Give your answer in simplest form.​

Mathematics
2 answers:
Igoryamba2 years ago
8 0

Answer:

[3×2⁵+13×2]+2³(-2²+3²)-3=

[3×32+26]+2³(-4+9)-3=

[96+26]+2³(5)-3=

122+40-3

162-3=

159...

note:-a×(-b)=+ab

Vlad1618 [11]2 years ago
6 0

Answer:

122x + 37

Step-by-step explanation:

hope this helps u

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Which pair of complex numbers has a real-number product? (1 + 2i)(8i) (1 + 2i)(2 – 5i) (1 + 2i)(1 – 2i) (1 + 2i)(4i)
kupik [55]

Answer:

(1+2i)(1-2i)

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
Position to term rule of 2, 6, 10, 14, 18<br><br> multiply by _____ and subtract by _____
andreyandreev [35.5K]

Answer:

Please check the explanation.

Step-by-step explanation:

Given the sequence

2, 6, 10, 14, 18

An arithmetic sequence has a constant difference and is defined as

\:a_n=a_1+\left(n-1\right)d

compute the differences of all the adjacent terms

6-2=4,\:\quad \:10-6=4,\:\quad \:14-10=4,\:\quad \:18-14=4

The difference between all the adjacent terms is the same.

Thus,

d=4

and

a_1=2

Therefore, the nth term is computed by:

a_n=4\left(n-1\right)+2

a_n=4n-2

Thus, position to term rule of 2, 6, 10, 14, 18  multiply by __4___ and subtract by __2__.

4 0
2 years ago
Please help me solve this question
Anastasy [175]

Answer:

50

Step-by-step explanation:

Use pythagoreom theorem to determine the length of the hypotenuse:

a² + b² = c²

- assign side a to 30 and side b to 40

30² + 40² = c²

90 + 160 = c²

250 = c²

Now square root both sides to isolate side c:

√250 = √c²

50 = c

side c = 50

7 0
3 years ago
Earth is approximately 5x109 years old. For which of these ages could this be an approximation? Select all that apply.
Mariana [72]

Answer:

The answer is around 50,000,000,000 years so its E

Step-by-step explanation:

5 0
2 years ago
7n-4=31 I need help to solve n
vfiekz [6]
7n-4=31
7n=31-4
7n=27
n=27/7
:n=3
It’s equation and it’s really easy to solve
8 0
3 years ago
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