Answer: (1, 4)
Explanation: When using the method of elimination, the goal is to eliminate a variable by either adding or subtracting the 2 equations. For this question, you can choose either to eliminate X or Y. I’ll eliminate X as an example:
In order to eliminate a variable, the same variable in both equations must have the same coefficient.
(1) 3x+y=7
(2) 2x+5y=22
Multiply (1) by 2:
(3) 6x+2y=14
Multiply (2) by 3:
(4) 6x+15y=66
Now that X in both equations has the same coefficient of 6, you can subtract the two equations to officially eliminate the variable and solve for Y:
Subtract (4) from (3):
-13y=-52
y=4
Now that you have the value of Y, substitute that into either one of the equations to get X. I’ll use the first equation as an example:
3x+(4)=7
3x=3
x=1
Therefore, the point of intersection is (1, 4).
Hope this helps シ
To find the contribution of each man (this is a sexist problem as women could work as well, but that’s besides the point) take 5/2 and then multiply that value by 20 and you’ll find it takes 50 hours for two men to do it.
Answer: 50 hours
B is the answer to the question
Answer:
25 is the answer
for proof see the pic
<em>first divide it by 11 then and when you get the numerator as 100 and denominator as 4 divide it by 2</em>
So as to get numerator as 50 and denominator as 2 .
<em>L</em><em>a</em><em>t</em><em>e</em><em>r</em><em>,</em><em> </em><em>D</em><em>i</em><em>v</em><em>i</em><em>d</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>b</em><em>y</em><em> </em><em>2</em><em> </em><em>a</em><em>n</em><em>d</em><em> </em><em>h</em><em>e</em><em>n</em><em>c</em><em>e</em><em>,</em><em> </em><em>y</em><em>o</em><em>u</em><em>r</em><em> </em><em>a</em><em>n</em><em>s</em><em>w</em><em>e</em><em>r</em><em> </em><em>i</em><em>s</em><em> </em><em>2</em><em>5</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>;</em><em>)</em>
Answer:
7>c or 7+c
Step-by-step explanation:
idk it can either mean both because it says "more than"
