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milkshakegrande101
09.06.2021 •
Mathematics
Stevens bank account balance was $212 at the beginning of the month he withdrew $63,$74 and $39 he also deposited $105 and $86 what was his balance after these transactions
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Ответ:
$227
Step-by-step explanation:
First we can add up the withdrawals(63, 74, and 39) which is 176. We can then subtract 176 from 212 to get 36.
So, after the withdrawals Steven has 36 dollars.
We can add the deposits together to get 191. We can then add 191 to 36 to get 227.
Ответ:
See below
Step-by-step explanation:
4) You made an error in step 3
Step 1: -x³ + 22x² - 121x = 0
Step 2: -x(x² - 22x + 121) = 0
Step 3: -x(x - 11²) = 0 Error!
-x(x - 11)² = 0 Correction
Step 4: -x = 0 (x - 11)² = 0
Step 5: x = 0 x = 11
15) Your work is correct
n = 8, n = -9 BOTH answers are correct
n = 8 Error!
n = 8, n = -9 Correction
18) The formula is: h(t) =at² + vt + h(0)
a = -4.9 acceleration is negative because gravity pushes downv = 24.5 velocity is positive because it states it is "upward"h(0) = 117.6 h(0) is initial heighth(t) = -4.9t² + 24.5t + 117.6 option 3
19) Now that you have the correct equation, you can use the quadratic formula to solve for t
t = -3, t = 8
Since time cannot be negative, t = -3 is not valid
t = 8 option 1
20) It is given that h(t) = 49
Equation: 49 = -4.9t² + 24.5t + 117.6
0 = -4.9t² + 24.5t + 68.6
Use the quadratic equation to solve: t = -2, t = 7
Since time cannot be negative, t = -2 is not valid
t =7