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kotykmax [81]
3 years ago
15

Please help me with this, thank you

Mathematics
1 answer:
kirill [66]3 years ago
3 0

Answer:

the first construction

Step-by-step explanation:

a straight line runs from top to bottom

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Simplify: 8i^7+6i^5-5i^3-3i^2-7i-9
Dmitry_Shevchenko [17]
<span>Consider the remainder of the division of the power exponent of i by 4.
For a remainder r equal to 0, 1, 2 or 3, we have a power equal to 1, i, -1 or -i respectively, therefore:

</span>8i^7+6i^5-5i^3-3i^2-7i-9 =
8*(-i) + 6*i - 5*(-i) - 3*(-1) - 7i - 9 =
- 8i + 6i + 5i + 3 - 7i - 9 =
3 - 9 - 8i + 6i + 5i- 7i =
=\boxed{- 6 - 4i}

Answer:
\boxed{- 6 - 4i}

<span>

</span>
5 0
3 years ago
Help me Find the answer, Here's the question!
Gelneren [198K]
Because the answers are all in standard form, we can simply look for the intercepts of the graph.

x-int = (-6, 0)
y-int = (0, -2)

You must multiply these numbers by a coefficient to equal 12:

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-2x = 12

Solve both equations by dividing by their values:

y = -2
x = -6

Look for the answer with these coefficients. The answer is -6x - 2y = 12.


6 0
3 years ago
Given that3x:8=7:2Calculate the value ofx.Give your answer in its simplest form
laila [671]

The answer is 28/3, and in simplest form its 9 1/3

5 0
2 years ago
You deposit $500 in an account that pays 8% annual interest compounded yearly. What is the account balance after six years? Form
Diano4ka-milaya [45]
Principal, P = $500
r =8% = 0.08, the interest rate
n = 1, the compounding interval
t = 6 years

The value after 6 years is
A = P(1 +  \frac{r}{n} )^{nt}
That is,
A = $500*(1 + 0.08)⁶ = $793.44

Answer: $793.44

7 0
3 years ago
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Mademuasel [1]
The answer should be C
6 0
3 years ago
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