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Korvikt [17]
3 years ago
6

Simplify the expression. −9(4 − 3j)

Mathematics
2 answers:
faltersainse [42]3 years ago
6 0

Answer:

-36 + 27j

Step-by-step explanation:

−9(4 − 3j)

Distribute

-9 * 4  -9 * (-3j)

-36 + 27j

Nookie1986 [14]3 years ago
4 0

Answer:

27j - 36.

Step-by-step explanation:

−9(4 − 3j)

= -9 * 4 - 9 * (-3j)

= -36 + 27j

= 27j - 36

Hope this helps!

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Simplify each expression then factor the expression 14-28t-5(7+10t)
ludmilkaskok [199]

Answer:

Simplified: -21-98t

Factored: -7(14t+3)

Step-by-step explanation:

The given expresion is:

14-28t-5(7+10t)

We expand the parenthesis to get:

14 - 28t -35 - 70t

We group like terms to get:

14 -35  - 28t- 70t

We combine similar terms to get:

- 21- 98t

We now factor to obtain:

- 21- 98t =  - 7(14t + 3)

5 0
3 years ago
4-58. Lisa plans to retire on her 61st birthday. On her
mojhsa [17]

Answer:

Lisa invest "$2180.81" in her bank.

Step-by-step explanation:

The given values are:

On Lisa's 62nd birthday,

she withdraw = $10,000

The annuity of $A will remain at 3 percent for 40 years. The retirement pension of $10000 lasts 23 years at rate percentage of 3 but begins 40 years later.

⇒  A\times (\frac{P}{A} ,3 \ percent,40) - 10000 (\frac{P}{A} ,3 \ percent,23)\times \frac{1}{(1.03)40} = 0

⇒  A\times 23.1148 - 10000\times 16.4436\times 0.3066 = 0

⇒  A = 10000\times 16.4436\times \frac{0.3066}{23.1148}

⇒      = 10000\times 16.4436\times 0.0132

⇒      =2180.81 ($)

4 0
3 years ago
What is the sum of the first 10 terms of the sequence defined by an=2n-3
makvit [3.9K]
a_n = 2n - 3

\text {When n = 10,}

a_{10} = 2(10) - 3

a_{10} = 17 \text { Answer (B)}

------------------------------------------
Answer: The 10th term is 17.
------------------------------------------

5 0
3 years ago
Read 2 more answers
HELP
evablogger [386]
We'd have to simply divide the total amount of hours by the total amount of episodes. This would be 10.5 / 14 = 0.75

So now, let's check if this is correct by multiplying 0.75 * 14 which should give us 10.5.

So the answer would be: 0.75 hours per episode.
7 0
3 years ago
Round the following numbers to the nearest tenth 26.425
k0ka [10]
26.4 because .42 you have to leave the 4 the same since the 2 is not greater than 5.
8 0
3 years ago
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