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krok68 [10]
3 years ago
12

I need the answer for this question I’m stuck

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
4 0

i(-5i + 6) + 8(3 + 7i)

= -5i^2 + 6i + 24 + 56i

= 5 + 24 + 62i (because -i^2 = 1)

= 29 + 62i

Answer is C.

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An item is regularly priced at $45 . it is on sale for 60% off the regular price. how much (in dollars) is discounted from the r
wariber [46]
The discount is 60% of regular price, or we can write it as
discount = 60% × regular price

input the numbers
discount = 60% × regular price
discount = 60% × 45
discount = 60/100 × 45
discount = 2,700/100
discount = 27

The answer is $27
4 0
3 years ago
1/3 radical 176xy to the 8th power​
Tanya [424]

Answer:

Remove all perfect squares from inside the square root. ... I think it's about eighth or ninth grade. ... so if you have the cube root of the square root of (x-5) =2, you get ((x-5)^(1/2))^1/3 = 2, power to power requires multiplication, so (x-5)^1/6 = 2, ...

Missing: 176 ‎xy

5 0
3 years ago
The results of a series of surveys revealed a population with a mean of 4.73 and a standard deviation of 0.865. If each survey h
satela [25.4K]

The given sample's confidence interval is 4.73 ± 0.1199, or from 4.61 to 4.85

<h3>What is the z score?</h3>

The z-score is a numerical assessment of a value's connection to the mean of a set of values, expressed in terms of standards from the mean, that is used in statistics.

Given data;

Mean  = 4.73

Standard deviation  = 0.865

Sample size  = 200

interval  = 95%

Confidence interval=?

95% of samples contain the population mean (μ) within the confidence interval of 4.73 ± 0.1199.

Hence, the sample's confidence interval is 4.73 ± 0.1199, from 4.61 to 4.85

To learn more about the Z score, refer to;

brainly.com/question/15016913

#SPJ1

4 0
2 years ago
-7/3x + 2/3 = -18<br> What is the solution?
xxMikexx [17]

Answer:

8

Step-by-step explanation:

5 0
3 years ago
Kyle crawled 49.8 feet in 6 minutes, how far did he crawl every minute…
Blizzard [7]

Answer:

assuming that kyle crawled at the same pace for six minute then it would be 8.3 feet each minute

Step-by-step explanation:

8 0
3 years ago
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