2 years ago

Let z = 9 – 2i and zw = 25 70i. What is w? 1 8i 1 – 8i –1 8i –1 – 8i.

Mathematics

1 answer:

BartSMP [9]2 years ago

7 0

Answer: A. 1+8i

Step-by-step explanation:

edge

You might be interested in

Will give brainliest

klemol [59]

Your question is calling the figure ABCD, but the image is showing PQRS

Using the letters that you wrote:

Because the figure was only rotated and not scaled , the sides with the same letters would still be the same

So AB would be the same as A'B' ( Length of AB = Length of A′B)

and

BC = B'C'

CD = C'D'

AD = A'D'

Or by the picture:

PQ = P'Q'

QR = Q'R'

RS = R'S'

PS = P'S'

7 0

3 years ago

Read 2 more answers

The number of seats in a row has been increased at a rectangular-shape movie theater after renovation so that it is now five mor

Damm [24]

Let the number of rows be = r

Let the number of seats per row be = s

we know that the number of seats is 126.

So, $s\times r=126$ ..... (1)

As given, there are five more seats per row than the number of rows, so we can say that:

$s=r+5$

Putting this in equation (1)

$(r+5)*r=126$

$r^{2}+5r=126$

$r^{2}+5r-126=0$

$r^{2}+14r-9r-126=0$

$(r+14)(r-9)=0$

r=-14 and r=9 (neglecting the negative value) we get r=9

And s=r+5

so, s =9+5=14

Hence, there are 5 rows and 14 seats per row.

4 0

3 years ago

What is the surface area in square inches of a cube with a side 7<br> inches long?<br> 10

SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

7x4

5 0

2 years ago

Read 2 more answers

5. An angle bisector of a triangle divides the opposite side of the triangle into segments 6 cm and 5 cm long. A second side of

Umnica [9.8K]

This is not my work but i hope this can help you with your problem
https://answers.yahoo.com/question/index?qid=20120518194118AAhi738

7 0

3 years ago

Read 2 more answers

In Spring, Jack trimmed his tree 3 in. Shorter. In the summer he trimmed it 5 more inches. The tree is now 45 in. Tall. How tall

sergejj [24]

Answer: 53 inches

Step-by-step explanation:3+5=8

45+8= 53

7 0

2 years ago

Read 2 more answers