MATHEMATICS HIGH SCHOOL

What is the solution to the system of equations?4x + y = 2
x - y = 3


( ______ , ______ )

Answers

Answer 1
Answer: 4x + y = 2
x - y = 3       ⇒       x = 3 + y

4 (3+ y) + y = 2
12  + 4y + y = 2
12 + 5y = 2
5y = 2- 12
5y = -10
y = -10/ 5
y = -2

x = 3 + y   ⇒ 3 + (-2)      ⇒   3 - 2  = 1

(1, -2)

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What part of the circumference is an arc whose measure is 30°?a.1/12
b.1/10
c.1/8
d.1/6

Answers

Circumference of a circle:
C = 2 r π;
Length of an arc:
L = r π α / 180°
L = r π · 30° / 180° = r π /6
r π /6   :   2 r π = 1/6 : 2 = 1/12
Answer: A ) 1/12 

What is -0.66666666666 as a fraction

Answers

-2/3, if -1/3 is 0.333333333333333333333, double that, -0.666666666666, would have to be -2/3

Answer:

-2/3

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Explain why the value of k cannot be equal to 0

Answers

if you mean k as a constant then k ≠ 0 because 0 is not a constant, there would be no relationship if k = 0

The tax rate on Harriet Walker's $80,000 vacation home is 20 mills. The property is assessed at full value. How much will Harriet Walker pay in taxes this year?

Answers

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Carol flips a coin, rolls a standard number cube, and randomly chooses a shape from the list below. Find the probability that the coin will show tails, the cube will show a multiple of 2, and a circle will be chosen. (the shapes are a - circle, triangle, square, and parallelogram)

Answers

Answer:

1/16

Step-by-step explanation:

1/4x1/2x1/2

idk if that helps

PLZ HEL P ME !!The question is based on the following circle graph. The graph represents the results of a survey in which 400 people were asked to identify the TV channel on which they preferred to watch the evening news.
WKOD 13%
WANR 22%
WCLM 24%
WWCN 41%
write a ratio to express the number of people who preferred WANR to those who preferred WCLM
A. 11 : 12
B. 23 : 100
C. 46 : 100
D. 3 : 50

Answers

Answer:

Option A is right

Step-by-step explanation:

The graph represents the results of a survey where 400 people were asked to identify the preferred TV channcel.

Of those the data collected gave

WKOD 13%

WANR 22%

WCLM 24%

WWCN 41%

Ratio of people who preferred WANR to those who preferred WCLM

= 22%/24%

=11:12

Hence answer is 11:12
WANR - 22%
WCLM - 24%

Ratio WANR/WCLM=0.22/0.24=11:12

Answer A. is correct.
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