<img src="https://tex.z-dn.net/?f=%288%20%2B%207i%29%20%2B%20%287%20-%2031%29%20" id="TexFormula1" title="(8 + 7i) + (7

r-ruslan [8.4K]

3 years ago

alt="(8 + 7i) + (7 - 31) " align="absmiddle" class="latex-formula">

Mathematics

2 answers:

Angelina_Jolie [31]3 years ago

6 0

assuming you meant to simplify above,

$\bf (8+7i)+(7-3i)\implies \stackrel{\textit{adding like terms}}{15+4i}$

GuDViN [60]3 years ago

6 0

$8+7i+7-3i=15+4i$

You might be interested in

What are all the multiplication problems that make 2

makvit [3.9K]

If we're talking in whole numbers, the only multiplication of whole numbers that equals two is
2 * 1
or
-2 * -1

6 0

3 years ago

Read 2 more answers

Toni paints a wall that is 9 feet tall and 13 feet wide.What is the area of the wall?

aksik [14]

Answer:

117 feet squared

Step-by-step explanation:

Multiply the height (9 feet) by the width (13 feet).

9 x 13 = 117

117 feet squared

Note: squared is added when describing area (it's used as an exponent in numbers)

6 0

2 years ago

Autumn drives 825 miles to Florida. The trip takes her 17 hours. She uses 38 gallons of gas on the trip, which cost her $125. Fi

Dmitry [639]

$speed \: equals \: distance \div time$
speed equals 825 divided by 17
speed equals to 48.5miles per hour

gas mileage equals to 825/38
gas mileage equals to 21.7

125/38 equals to 3.3 unit price

8 0

3 years ago

Factorise the following:<br> c) x - 3x + 2

fenix001 [56]

Answer:

2 ( - x + 2 )

Step-by-step explanation:

x - 3x + 2 = - 2x + 2

- 2x = 2 * - x

2 = 2 * 1

- 2x + 2 = 2 ( - x + 2 )

Hence factorized.

8 0

1 year ago

Read 2 more answers

The cost of admission to history museum is 3.25$ per person over the age of 3; kids 3 and under get in for free. If the total co

jeyben [28]

Use guess and check, but u can also use equations

7 0

3 years ago