Answer:
x/2-3-(13)=0
Step-by-step explanation:
Answer:
Sales tax: $352.50
Final Cost: $5052.50
Step-by-step explanation:
Answer: 13440 grams
Step-by-step explanation:
Since 1 kg is 1000 g, multiply 0.64 by 1000 to find how many grams are in a kilogram.
0.64x1000
=640 grams
She uses 640 grams each day.
How many grams does he use in 3 weeks?
1 week has 7 days
3 weeks has 21 days
3x7=21
640x21
13440 grams
Answer:
Step-by-step explanation:
For this problem i assume that the two lines that look parallel, are parallel
step 1
Find the value of x
we know that
----> by corresponding angles
solve for x
step 2
Find the value of y
we know that
---> by vertical angles
substitute the value of x
<em>Alternative method</em>
---> by vertical angles
---> by alternate exterior angles
Solve the system of equations
Answer:
-5/6x + 7/2 = y
Step-by-step explanation:
f(x) = (21 -6x) /5
y = 1/5 (21 -6x)
To find the inverse exchange x and y
x = 1/5 (21-6y)
Solve for y
Multiply each side by 5
5x = 5* 1/5 (21-6y)
5x = (21-6y)
Subtract 21 from each side
5x -21= (21-21-6y)
5x-21 = -6y
Divide each side by -6
5/-6x-21/-6 = -6/-6y
-5/6x + 7/2 = y