MATHEMATICS HIGH SCHOOL

Two lines, A and B, are represented by the following equations: Line A: 2x + 2y = 8
Line B: x + y = 3

Which statement is true about the solution to the set of equations?

It is (1, 2).
There are infinitely many solutions.
It is (2, 2).
There is no solution.

Answers

Answer 1
Answer: Line A: 2x+2y=8     ⇒2y=-2x+8  ⇒ y=-x+4
Line B: x+y=3          ⇒y=-x+3

Therefore: y=y then:
-x+4=-x+3
-x+x=3-4
0≠-1    ⇒There is no solution because the lines are parallels

Answer: There is no solution
Answer 2
Answer:

Answer:

D. There is no soltution sorry this answer is reallyyyy late :(

Step-by-step explanation:

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The ordered pairs (1, 81), (2, 100), (3, 121), (4, 144), and (5, 169) represent a function. What is a rule that represents this function? A. y = x 8 B. y = 8x C. y = (x + 8)2 D. y = 8x
PLEASE HELP ASAP!!!!!

Which answer is the equation of the line represented in function notation?A.) f(x) = 3x
B.) f(x) = -3
C.) f(x) = 0.3x
D.) f(x) = 3

Answers

The answer would be D.
Hello there.

Which answer is the equation of the line represented in function notation?

D.) f(x) = 3

Question number 1 is attached below.

Answers

y= 5x+1. I just learned this yesterday lol

Temperature in ��c can be converted to k by a. multiplying by 273.15.
b. dividing by 273.15.
c. adding 273.15.
d. subtracting 273.15.

Answers

C = Celsius
K = Kelvin

Temperature in CELSIUS can be converted to KELVIN by adding 273.15

A candle manufacturer sells cylindrical candles in sets of three. Each candle in the set is a different size. The smallest candle has a radius of 0.5 inches and a height of 3 inches. The other two candles are scaled versions of the smallest, with scale factors of 2 and 3. How much wax is needed to create one set of candles? in cubic inches

Answers

To find out how much wax is needed for the candles we need to figure out the volume of each candle. We know radius r=0.5 inches and height h=3 inches of the smallest candle and we know that the middle candle has r2=2r=1 inch and h2=2h=6 inches and the biggest candle has r3=3r=1.5 inches and h3=3h=9 inches. So now we need the formula for volume: V=pi*r^2*h and we simply plug in the numbers. First candle is V=3.14*(0.5^2)*3=2.355 inches^3. Middle candle: V2=3.14*(1^2)*6=18.84 inches^3. Biggest candle: V3=3.14*(1.5^2)*9=63.585 inches^3. So overall wax needed to create all three candles is V+V2+V3=2.355 inches^3 + 18.84 inches^3 + 63.585 inches^3=84.78 inches^3.

Answer:

First candle is V=3.14*(0.5^2)*3=2.355 inches^3. Middle candle: V2=3.14*(1^2)*6=18.84 inches^3. Biggest candle: V3=3.14*(1.5^2)*9=63.585 inches^3. So overall wax needed to create all three candles is V+V2+V3=2.355 inches^3 + 18.84 inches^3 + 63.585 inches^3=84.78 inches^3.

Step-by-step explanation:

Simplify 4x + 8 + 2x - 7.

Answers

Answer:

6x+1

Step-by-step explanation:

hope this helps

Sorry guys today is not my day :(

Please show your work

Answers

First question...

F = Floor = 3

W = Wall = ?

H = Hypotenuse = 10

-----

3² + W² = 10²

W² = 10² - 3²

W² = 91

W = √91

Answer (3) : √(91) feet [Rounded: 9.54 feet]

---------

Last question...

L² = 112

L = √(112) = √(28)√(4) = √(7)√(4)√(4) = 4√(7)

Answer (4):

4√7 feet
3.
pythagroen theorem
for a right triangl of legs legnth a and b and hypotnuse c
a^2+b^2=c^2
legs are 3 and height
hypotnuse=legnth of lader=10

h^2+3^2=1^2
h^2+9=100
minus 9 both sides
h^2=91
sqr both sides
h=9.539
h=9.54 ft



4.
area=side^2 for  a square
112=side^2
sqrt both sides
√112=side
(√16)(√7)=side
4√7 ft=side



3. 9.54 ft
4. 4√7ft
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