Answer:
64
Step-by-step explanation:
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Answer:
Step-by-step explanation:
g(x) = 2x - 7
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= 2(2x - 7) - 7
= 4x - 14 - 7
= 4x - 23
Commutative property of addition:
a + b = b + a
If we have : 2 + 5 = 5 + 2
it is B ) commutative property of addition.
The total is $26 with the tip this is a 30% tip
a. 3h = -12 + 5s
b. Speed = 51. 6 miles per hour
c. Height = 76 feet
<h3>How to determine the value</h3>
Given the function;
5s - 3h = 12
Where;
- s is the speed in miles per hour
- h is the height in feet
a. To solve for 3h
We have;
- 3h = 12 - 5s
3h = -12 + 5s
b. If the height is 82 feet , then
5s - 3(82) = 12
5s - 246 = 12
collect like terms
5s = 12 + 246
5s = 258
Make 's' the subject
s = 258/ 5
s = 51. 6 miles per hour
c. If the speed is 48 miles per hour, we have;
5(48) - 3h = 12
240 - 3h = 12
collect like terms
-3h = 12 - 240
-3h = -228
Make 'h' the subject
h = -228/ -3
h = 76 feet
Thus, the speed and height are 51. 6 miles per hour and 76 feet respectively.
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