Answer:
The cost of an oil change for 1 truck was $42
Step-by-step explanation:
Let
x -----> the cost of an oil change for 1 truck
y -----> the cost of gas for 1 truck
z ----> the total bill
we know that
we have
substitute and solve for x
Answer:
50
Step-by-step explanation:
- 8i = √-64
8i + 6
- -4i = -√-16
-4i + 3
[8i + 6][-4i + 3] → FOIL
>> -32i² + [24i - 24i] + 18
↑ ↑
-1 0
>>> 32 + 18 = 50
Information on Imaginary Numbers
√-1 = i
-1 = i²
-i = i³
1 = i⁴ [And every other exponent that is a multiple of 4; this cycle then repeats itself every time you go up one number at a time]
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Let tomatoes be as x and corn be as y.
Total cans is 36 cans.
$20.8 = 2080 cents
1. x + y = 36
2. 80x + 40y = 2080
From equation 1, we get
y = 36 - x
Substitute into equation 2,
80x + 40(36 - x) = 2080
80x + 1440 - 40x = 2080
40x = 2080 - 1440
x = 640 ÷ 40
x = 16
x + y = 36
16 + y = 36
y = 36 - 16
y = 20
Alex does buy 16 tomatoes.
Answer:
a
Step-by-step explanation:bbbbbbb
Area of circle = π · r²
9 π = π · r²
9 = r²
3 = r
Volume of sphere = (4/3)π · r³
= (4/3)π · (3)³
= 4π · 3²
= 4π · 9
= 36π
Answer: the volume of the sphere is 36π