MATHEMATICS HIGH SCHOOL

230 + 230 + 230 + 230 =
a. 8120
b. 830
c. 232
d. 230
e. 226

Answers

Answer 1

Answer: $230 + 230 + 230 + 230 = 4*230 =920$

Answer 2

Answer:

Answer:

920

Step-by-step explanation:

230+230+230+230=920

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84-63i in conjugate form?.

Answers

Conjugate form of complex number:
z = a + b i is a - b i
and for : z = a - b i is : a + b i
Conjugate form of 84 - 63 i is : 84 + 63 i

Solve by multiplication and addition. Show each step of your work. 4x – 3y = 11
3x + y = 18

Answers

basically eliminate
try eliminate y's
multiply second equaiton by 3
9x+3y=54

add to other equation
4x-3y=11
9x+3y=54 +
13x+0y=65

13x=65
divide 13 both sides
x=5

sub back
3x+y=18
3*5+y=18
15+y=18
minus 15
y=3

x=5
y=3
(5,3)

A piece of licorice is to be cut into 10 equal size pieces . If the length of the piece of licorice is 2/3 yard, how long will each piece of licorice be?

Answers

The first thing to do is turn this into an equation:
2/3 ÷ 10

10 as a fraction is 10/1
2/3 ÷ 10/1 =

Fractional division is just fractional multiplication after switching the numerator and the denominator of the second fraction:
2/3 X 10/1

Fractional multiplication is simply multiplying the numerators by each other, and the denominators by each other:
2 X 10 = 20
3 X 1 = 3

20/3

Each piece of liquorice will be 20/3 or 6 2/3 of a yard long.

Answer: 20/3

Step-by-step explanation:

Find the difference. Do not round.

12.39 - 1.504 =

Answers

12.39 - 1.504 - Given subtraction problem that needs to be solve to find out the difference. NO need to round off the answer.
=> 12.39 - 1.504 = 10.886
10.886 - is the answer or the difference.

Answer:

=> 12.39 - 1.504 = 10.886

Step-by-step explanation:

=> 12.39 - 1.504 = 10.886

9 thousands = how many tens