Answer:
20
Step-by-step explanation:
The figure can be broken up into 4 congruent right triangles
with sides of 3 and 4.
Which makes a classic 3-4-5 right triangle
The 5 side is on the perimater
4 * 5 = 20
Answer:
A + B would be less than A - B
Step-by-step explanation:
Answer:
x=4, y=2
Step-by-step explanation:
x+y=6
3x−5y=2
Multiply the first equation by 5
5(x+y)=6*5
5x+5y = 30
Add this to the second equation
5x+5y = 30
3x -5y = 2
---------------------
8x = 32
Divide each side by 8
8x/8 = 32/8
x = 4
Now we need to find y
x+y =6
4+y =6
Subtract 4 from each side
4+y-4 =6-4
y = 2
Answer/Step-by-step explanation:
Shari's equation, 288x - 4y = -192, was stated in the standard form.
Thus, she thinks -192 was the y-intercept because:
She thought that the [constant term] is always the y-intercept. She forgot to [write the equation in slope-intercept form].
Let's find the correct y-intercept (b), by first rewriting the equation, 288x - 4y = -192, to get the equation in slope form, y = mx + b.
Thus:
288x - 4y = -192
-4y = -288x - 192 (subtraction property of equality)
y = -288x/-4 - 192/-4
y = 72x + 48
Thus, the y-intercept = b = 48