What is the solution for the system? Use the graph below y-x=-3 (line a)
y+x=3 (line b)

A. (0,3)
B. (-3,0)
C. (0,-3)
D. (3,0)

Answers

Answer 1

Answer: If you would like to know what is the solution for the system of equations, you can calculate this using the following steps:

y - x = - 3
y + x = 3
_______________
y - x + y + x = - 3 + 3
2y = 0
y = 0

y - x = - 3
0 - x = - 3
x = 3

(x, y) = (3, 0)

The correct result would be D. (3, 0).

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21+(4x8)-2 would be nice to help me I need it soon!

a machine takes 5.4 hours to make 9 parts. At that rate how many parts can the machine make in 25.8 hours

Answers

There are many ways to find the answer. One of them is to find how long does it take to make one part and then divide 25.8 by the result:

5.4 ÷ 9 = 0.6 (that's how long does it take to make one part)
25.8 ÷ 0.6 = 43 (that's how many parts can be made in 25.8 hours)

The product of two numbers is 32. The first number, x, is one-half of the second number, y. Which system of equations can be used to find the two numbers? A. xy=32 x=1/2y B. xy=32 x=y-1/2 C. x+y=32 x=y-1/2 Dxty=32 x=1/2y

Answers

Answer:

Option A - xy=32, x=1/2y

Step-by-step explanation:

Given : The product of two numbers is 32. The first number, x, is one-half of the second number, y.

To find : Which system of equations can be used to find the two numbers.

Solution: Since, first number =x and second number = y

Situation 1 - 'The first number, x, is one-half of the second number, y'.

$\Rightarrow x=(1)/(2)y$

Situation 2 - 'The product of two numbers is 32'

$\Rightarrow x* y=xy=32$

The above two situation matches with Option A.

Therefore, Option A is correct → xy=32 x=1/2y

Solving Situation 1 and 2 we get,

Put x value in situation 2

$xy=32$

$(1)/(2)y* y=32$

$y^2=64$

$y=\pm8$

put value of y in x,

$x=(1)/(2)*(\pm8)$

$x=\pm4$

Values are → $x=\pm4$ , $y=\pm8$

Answer:

Step-by-step explanation:

on edge 2020

Perform each of the following conversions, making sure to use the correct abbreviations for units? A) 7.000 cubic centimeters to kiloliters B) 80. cm2 to inches2

Answers

A) To convert 7.000 cubic centimeters to kiloliters:

7.000 cm^3 * (1 kL / 1,000,000 cm^3) = 0.000007 kL

B) To convert 80. cm^2 to square inches:

80. cm^2 * (1 in^2 / 6.4516 cm^2) ≈ 12.44 in^2

What it the area of a 10*9 square

Answers

If you take 10*9 that is 90. If all the sides are 90, then you do 90*90 and that equals 8,100

the answer is 90 aqnd the others are lying

Find the value of the expression log27√3

Answers

$\log _( 27 ){ \left( \sqrt { 3 } \right) } \n \n =\frac { \log _( 3 ){ \left( \sqrt { 3 } \right) } }{ \log _( 3 ){ \left( 27 \right) } }$

$\n \n =\frac { \log _( 3 ){ \left( { 3 }^{ \frac { 1 }{ 2 } } \right) } }{ 3 } \n \n =\frac { \frac { 1 }{ 2 } \log _( 3 ){ 3 } }{ 3 } \n \n =\frac { \frac { 1 }{ 2 } }{ 3 }$

$\n \n =\frac { 1 }{ 2 } \cdot \frac { 1 }{ 3 } \n \n =\frac { 1 }{ 6 }$

$\log_(27)\sqrt3=(\log_3\sqrt3)/(\log_327)=((1)/(2))/(3)=(1)/(6)$