My bank account started the day with $550 in it. During the day, I made 2 deposits of $125 each and I wrote 1 check for $60. How much is in my account at
the end of the day?

$740

Step-by-step explanation:

550 + 2(125) -60 =

550 + 250 - 60

800 - 60 = 740

$740

740$

Step-by-step explanation:

125x2= 250, 250-60= 190, 550+190= 740

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

answer: 4 (:

step-by-step explanation: