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trasher [3.6K]
3 years ago
10

Simplify the expression: (3 − 7i)(2 − 5i).

Mathematics
1 answer:
Mandarinka [93]3 years ago
3 0

Answer:

B

Step-by-step explanation:

3x2-3x5i-7ix2x7ix(-5i)

6-15i-14i+35i^2

6-15i-14i+35x(-1)

6-15i-14i-35

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Pls help and show your work
Dmitriy789 [7]

Answer:

21. Vol. = L ^ 3

or, 27000 = L ^ 3

or, cube root undefr 27000 = L

Therefore, Edge length = 30 cm

22.

a. v = l ^ 3

or, 64000 = l ^ 3

or, cube root under 64000 = L

or, l = 40 cm

Also,

surface area = 6 a ^ 2

= 6 * 40 ^ 2

= 6 * 1600

= 9600 cm ^ 2 #

Hope this helped

Hope this helped ALL THE BEST !!

5 0
3 years ago
An insurance agent receives 16% commission on every premium paid. How much commission is paid on a policy with a premium of $497
ollegr [7]

Here we are given the information that an insurance agent receives 16% commission on every premium paid.

Now we are given that a premium of $497.69 is paid.

Let us say $x is the commission paid on the policy with a premium of $497.69.

Let us try to find the amount x here.

So we have to find 16% of 497.69 to get the commission amount x.

So finding 16% of 497.69.

x= 16% of 497.69 = 0.16*497.69 = 79.63

Answer: Commission of $79.63 is paid on a policy with a premium of $497.69.

7 0
3 years ago
Read 2 more answers
Simplify the expression by combining like terms: 22 + 5m - 4m + 7n - 8
MAXImum [283]
22+5m-4m+7n-8
22-8+5m-4m+7n
14+m+7n
6 0
3 years ago
The cost to make x T-shirts can be represented by the function C(x).
n200080 [17]

Answer:

$5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
I need the intervals please
serg [7]

Answer:

1. (-6, -5) to (-5, -4)

2. (-3, -4) to (-1, -1)

Step-by-step explanation:

Increasing intervals include the x- and y- points increasing.

PS: I don't really know how to present the answer so if you're gonna submit it for a test or smth pls improve on the formatting yourself based on the question (So sorry I didn't really understand the question about writing a list of intervals and separating them with a comma :P)

5 0
3 years ago
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