Answer:
I dont know you never explain properly
Step-by-step explanation:
Answer:
a.70. b.50
Step-by-step explanation:
- If Cartie takes $10 from her account for 7 days she would have taken $70 out.
- Next we look at the net problem it is asking us how much is left we already know from the equation above that we need to subtract 70 from 120
- We now have both answers A. being that she would have taken $70 in total out of her account and B. being that she would have $50 left in her account.
Answer:
50,000 Square Miles.
Step-by-step explanation:
30% = 1/3
30,000/1 * 1/3 = 10,000
10,000 * 5 = 50,000
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2,852.1 miles / 10 days = about 285.21 miles per day .
Answer:
y = 5x - 7
Step-by-step explanation:
Using the equation of a line with two points
y_2 - y_1 / x_2 - x_1 = y - y_1 / x - x_1
Giving two points
( -4 , 10)(16 , -2)
x_1 = -4
y_1 = 10
x_2 = 16
y_2 = -2
Using the above formula
y_2 - y_1 / x_2 - x_1 = y - y_1 / x - x_1
-12 - 3 / -1 - 2 = y - 3 / x - 2
-15/-3 = y - 3 /x - 2
Cross multiply
-15(x - 2) = -3(y - 3)
-15x + 30 = -3y + 9
-15x + 30 + 3y - 9 = 0
-15x +30 - 9 + 3y = 0
-15x + 21 + 3y = 0
3y = 15x - 21 ( following y = mx + C
Dividing through by 3 to find y
3y/3 = 15x -21 / 3
y = 15x - 21 / 3
We can still separate
y = 15x / 3 - 21/3
y = 5x - 7
Therefore, the equation of the line is
y = 5x - 7
