Answer:
a.35.25
b. 42.56
c.23.06
Step-by-step explantion
Just subsitute 30, 15, and 5 for x each time for each question
ex:
y=-0.0975(5)^(2)+3.9(5)+6
0.04 ones, I think.
since you're doing place value.
Answer:
<h3>The answer is 16</h3>
Step-by-step explanation:
3n + 7
n = 3
Substitute the value of n into the expression
That's
3(3) + 7
= 9 + 7
<h3>= 16</h3>
Hope this helps you
Answer:
Step-by-step explanation:
Math Matching games:
5(5x + 2)
5(5x) + 5(2)
25x + 10 <== answer
2(x + 4)
2(x) + 2(4)
2x + 8 <== answer
3(4x - 9)
3(4x) - 3(9)
12x - 27 <== answer
7(2x + 3)
7(2x) + 7(3)
14x + 21 <== answer
4(3x - 5)
4(3x) - 4(5)
12x - 20 <== answer
6(5x + 1)
6(5x) + 6(1)
30x + 6 <== answer
8(x - 5)
8(x) - 8(5)
8x - 40 <== answer
5(4x - 3)
5(4x) - 5(3)
20x - 15 <== answer
2(2x + 7)
2(2x) + 2(7)
4x + 14 <== answer
3(3x + 3)
3(3x) + 3(3)
9x + 9 <== answer
7(5x - 2)
7(5x) - 7(2)
35x - 14 <== answer
4(x - 8)
4(x) - 4(8)
4x - 32 <== answer
True or false Part 1:
A. 3x + 3 = 3(x + 1) <== true
B. 2x + 2x + 4 = 8x <== false
C. 3x + 3 = 2x + x + 3 <== true
D. 2x + 2x + 4 = 2(x + 1) <== false
E. 5x + 6 = 3x + 3x <== false
F. 3x + 3 = 3(x + 3) <== false
G. 2x + 2x + 4 = 4(x + 1) <== true
H. 4x + 3 = 3x + 4 <== false
I. 8 + 2x + 4x = 14 <== false
J. 4x + 4 = 3x + x + 2 + 2 <== true
K. 3x + 2x + 4 = 3x + 2(x + 2) <== true
L. 6x + 2x = 3x + 5x <== true
M. 8x = 8 + x <== false
N. 8x = x + x + x + 5x <== true
True or false Part 2:
I. 8 + 2x + 4x = 14 <== false
J. 4x + 4 = 3x + x + 2 + 2 <== true
K. 3x + 2x + 4 = 3x + 2(x + 2) <== true
L. 6x + 2x = 3x + 5x <== true
M. 8x = 8 + x <== false
N. 8x = x + x + x + 5x <== true
O. 
P. 
Hope this helps!
it depends on how many you answer how many thanks you get and five stars.