iamabeast51
23.04.2020 •
Mathematics
1. The y value in y=mx+b would be considered to be the *
a. input
b. output
c. slope
d. y-intercept
2. The m in the equation y=mx+b would be considered the: *
3. Pick all of the correct responses: The b in the equation y=mx+b would be considered the: *
a. y-intercept
b. slope
c. input
d. rise/run
4. You've been given the equation y=-5x+4. Solve for y when x is -2. *
5. You've been given the equation y=3x-3. Solve for y when x is 0. *
a. 0
b. 3
c. 2
d. -3
6. You've been given the equation y=2x-12. Solve for y when x is 4. *
7. You've been given the equation y=6x. Solve for y when x is 2. *
a. 0
b. 6
c. 9
d. 12
8.You've been given the equation y=3x+1. Solve for y when x is 1. *
a. 4
b. 3
c. 2
d. 1
9. You've been given the equation y=-.25x+7. Solve for y when x is 8. *
10. You've been given the equation y=-3x-9. Solve for y when x is -5. *
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Ответ:
1. Output
2. Slope
3. y-intercept
4. y = 14
5. y = -3
6. y = -4
7. y = 12
8. y = 4
9. y = 5
10. y = 6
Step-by-step explanation:
To solve problems 4-10, plug in the given values and simplify the equations.
4. y = -5(-2) + 4
y = 10 + 4
y = 14
5. y = 3(0) - 3
y = 0 - 3
y = -3
6. y = 2(4) - 12
y = 8 - 12
y = -4
7. y = 6(2)
y = 12
8. y = 3(1) + 1
y = 3 + 1
y = 4
9. y = -0.25(8) + 7
y = -2 + 7
y = 5
10. y = -3(-5) - 9
y = 15 - 9
y = 6
Ответ:
a) 9 sides
b) 18 sides
c) 24 sides
d) 30 sides
Step-by-step explanation:
sum of interior angles = (n - 2) * 180
where n is the number of sides
a) 1260
(n - 2) * 180 = 1260
(n - 2) = 1260/180
(n - 2) = 7
n = 7 + 2
n = 9
b) 2880
(n - 2) * 180 = 2880
(n - 2) = 2880/180
(n - 2) = 16
n = 16 + 2
n = 18
c) 3960
(n - 2) * 180 = 3960
(n - 2) = 3960/180
(n - 2) = 22
n = 22 + 2
n = 24
d) 5040
(n - 2) * 180 = 5040
(n - 2) = 5040/180
(n - 2) = 28
n = 28 + 2
n = 30