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Katen [24]
3 years ago
10

What is root-16 + root49 written as a complex number in the form a+bi?

Mathematics
2 answers:
jeyben [28]3 years ago
5 0

Answer:

→\sqrt{ - 16}  +  \sqrt{49}

  • We know that, i = √-1
  • Form → a + ib

→( \sqrt{ - 1}   \times \sqrt{16} ) + ( \sqrt{49} )\\=i \sqrt{16}+\sqrt{49} \\    = 4i + 7  \\  =  \boxed{7 + 4i}✓

  • <u>(</u><u>7 + 4i</u><u>)</u> is the right answer.
Ugo [173]3 years ago
4 0

Answer:

7+4 here's your answer

Step-by-step explanation:

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On Monday, 408 students went on a trip to the 200 All 7
kap26 [50]

Answer:

57

Step-by-step explanation:

408-9 =399

399/7 =57

7 0
3 years ago
Is 563 divisibly by 4
marusya05 [52]

Answer:

No

Step-by-step explanation:

To be divisible by 4 the last two digits have to be divisible by 4

so

is 63 divisibly by 4?

no

because is odd and four is even

so we can conclude that 563 is not divisible by 4

3 0
3 years ago
Read 2 more answers
What is the surface area to volume ratio of a 5 cm cube?
joja [24]
Answer: 6/5

Explanation:
Given: 5cm cube
This means each side is 5 cm because a cube has equal sides.

Area of a square is length times width so area of 1 side of a cube:
= 5 x 5
= 25

Surface area is the area of one side of a cube times the number of sides. Now, how many sides does a cube have? 6
= 25 x 6
= 150

Surface area of a 5cm cube = 150

Volume is length times width times height:
= 5 x 5 x 5
= 125

Ratio of surface area to volume:
= 150/125
= 6/5
6 0
3 years ago
3. Mr. Richards' class is holding a canned food dri
vova2212 [387]

Answer:

juliet collected 50 cans

Step-by-step explanation:

let x be rosanas cans

10+x+2x = 130

simplify

10 + 3x = 130

3x = 130 - 10 = 120

x = 120/3 = 40

rosanas cans = 40

juliets cans = 40 +10 = 50

santiagos cans = 50 x 2 = 100

but i think the question is wrong!!

3 0
3 years ago
The two salespeople for s local adverts firm are Trinity and Jason. Trinity sold $2330 in ads and Jason sold $1740. What fractio
LenKa [72]

Answer:

Part 1) Trinity 233/407

Part 2) Jason 174/407

Step-by-step explanation:

we know that

Trinity sold $2,330 and Jason sold $1,740

so

step 1

Find out the total sales

The total sales is equal to Trinity's sales plus Jason's sales

so

$2,330+$1,740=$4,070

step 2

The fraction of total sales that Trinity sold is equal to divide the sales of Trinity by the total sales

2,330/4,070

Simplify

233/407

step 3

The fraction of total sales that Jason sold is equal to divide the sales of Jason by the total sales

1,740/4,070

Simplify

174/407

7 0
4 years ago
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