3 years ago

Simplify the expression: (3 − 4i) + (7 − 6i).

Mathematics

2 answers:

alisha [4.7K]3 years ago

8 0

Answer:

Step-by-step explanation:

Isolate i on one side of the equation.

(3-4i)+(7-6i)

DISTRIBUTIVE PROPERTY:

A(B+C)=AB+AC

A(B-C)=AB-AC

(A+BI)±(C+DI)=(A±C)+(B±D)I

(3+7)+(-4-6)i (Solve.)

7+3=10

-4-6i=-10

10-10i

Therefore, the final answer is 10-10i.

andrew11 [14]3 years ago

3 0

=10-10i
Explanation:
3-4i+7-6i
(Add 3 and 7)
(Add -4i and -6i)
Put together
10-10i

You might be interested in

If y = 6, then what is the value of 9 x y? O 15 O 25 0 44 O 54

Debora [2.8K]

Answer: 54

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Which could be the dimensions of a rectangular prism to service area is less than 160 ft.² check all that apply

raketka [301]

Area of rectangular prism is given by:

A=2(wl+hl+lw)

where w=width h=height, l=length

checking for given options

1. 8 ft, by 4ft by 3ft

Area = 136 square feet

5. 3 feet by 5 feet by 7 feet

Area =142 square feet

so our first and last option matches the requirement of area less than 160 square feet.

3 0

3 years ago

Read 2 more answers

What is 9,150,000,000,000,000,000

Anettt [7]

9.15E18 --- how we learn to write it

6 0

3 years ago

Allison works at a Bank. Her employer offers her a retirement pension plan which will be 1.75% of her average salary for the las

Law Incorporation [45]

9514 1404 393

Answer:

$41,977.60

Step-by-step explanation:

Allison's average salary for the last 5 years is ...

(70 +73.1 +75.2 +77.5 +79)/5 = 74.96 . . . . thousand dollars

Then her annual pension is ...

1.75% × $74,960 × 32 = $41,997.60

6 0

2 years ago

Convert x-y=3 and x-2y=3 into slope intercept form.

rodikova [14]

Y=x-3 and Y=1/2x-3/2 and that is ur answer

5 0

2 years ago