Answer:
4
Step-by-step explanation:
25% is the same as 1/4.
1 is 1/4 of what number?
Answer: 4
You can also answer it with an equation.
Let x = the number you are looking for.
1 is 25% of x can be written as the following equation.
25% of x = 1
0.25x = 1
Multiply both sides by 4.
x = 4
Answer: 4
Answer:
x=1
y=-1
Step-by-step explanation:
x = y+2
x+2y = 5
y+2 +2y = 5
3y +2 = 5
3y = 3
y=1
x=-1
Step-by-step explanation: So when graphing this problem, we start at -3 on our number line with an open dot because <em>k</em> is less than but not equal to -3. I have shown this in the image attached below.
We then draw an arrow going to the left to represent all number less than -3.
Finally, we put our answer in set notation which is shown below.
{K: k < -3}
All this means is that if we take any number less than -3, this will be a solution for the inequality <em>k < -3</em>.
Answer:
y=4/5x-4
Step-by-step explanation:
Use point-slope formula then turn to slope intercept form
y-y₁=m(x-x₁) → y = mx + b
y--8=4/5(x--5)
y+8=4/5x+4
-8 -8
y=4/5x-4
Answer:
2x³ + mx² - 13x + n
y = x - 2
x = 2
2(2)³ + m(2)² - 13(2) + n = 0
16 + 4m - 26 + n = 0
4m + n = 10. (1)
y = x - 3
x = 3
therefore 9m + n = -15
solving simultaneously
m = -5, n = 30
m + n = 25