Answer:
Step-by-step explanation:
All square numbers are numbers formed by squaring a single number. If M is the set of all square numbers less than 80, then
M = (4, 9, 16, 25, 49, 64)
Even numbers are numbers that are divisible by 2 without remainder.
If N is the set of all non-negative even numbers that are under 30, then
N = (2, 4, 6, 8 ,10, 12, 14, 16,18,20, 22, 24, 26,28)
It will not include 30 because we want even numbers under 30
Answer:
Step-by-step explanation:
Step-by-step explanation:
2(3x + 5y = -19)
6x + 10y = -38
5 (5x -2y = 16)
25x - 10y = 80
19x = 42
but idk from there the rest doesn't work Soo if u can find the prob and tell me I'll fix it.
So Tina has been dieting for 13 weeks
On week 1: She lost 3 pounds, so +3 pounds
On week 2: She gained a pound, so - 1 pound
On each remaining week, she lost 2 pounds, so,
On week 3: She lost 2 pounds, so +2 pounds
On week 4: She lost 2 pounds, so +2 pounds
On week 5: She lost 2 pounds, so +2 pounds
On week 6: She lost 2 pounds, so +2 pounds
And so on,,,
So losing 2 pounds each week for 11 weeks would equal, 2 pounds x 11 weeks = 22 pounds
So, add that all up: 3 pounds - 1 pound + (2 x 11 weeks) = 24 pounds total
Answer:
y = 3x - 7
Step-by-step explanation:
Slope-intercept form:
y = mx + b
Where:
y is the y value.
m is the slope.
x is the x value.
And b is the y-intercept.
First, you want to find your slope. To do this, you can either use the slope formula to find the slope, or just count on the picture:
m = rise/run
m = 3/1
m = 3
With the slope formula, you first need to choose two points.
I chose:
(2, -1) and (3, 2)
Slope formula:
m = (y2 - y1) / (x2 - x1) {It doesn't matter which point you choose to be x2 and x1, just be consistent when you plug it into the formula}
m = (2 - (-1)) / (3 - 2)
m = 3/1
m = 3
Now that you have your slope, all you need is your y-intercept. To find your y-intercept, you can either look at the graph (again) to see where the line intersects with the y-axis, or you can solve it algebraically:
y-int = -7
To solve algebraically, choose a random point on the line and plug it into what you have for your equation so far and then solve for b.
I chose:
(2, -1)
y = 3x + b
-1 = 3(2) + b
-1 = 6 + b
-1 - 6 = b
b = -7
Now you have your final answer:
y = 3x - 7
