3 years ago

Solve the equation for t. (t-7)^2+18=9

Mathematics

1 answer:

Anika [276]3 years ago

4 0

Answer:

t = 7 + 3i

Step-by-step explanation:

(t-7)^2 + 18 = 9

(t-7)^2 = 9 - 18

(t-7)^2 = -9

(t-7) = sqrt(-9) = |3| sqrt(-1)

t = 7 + 3i

You might be interested in

Evaluate -1 - [-z] where z = -2

slega [8]

$\huge\textbf{Hey there!}$

$\huge\textsf{-1 - [-z]}\\\\\huge\textsf{= -1 - [- -2]}\\\\\huge\textsf{= -1 - - 2}\\\\\huge\textsf{= -1 + (-2)}\\\\\huge\textsf{= -1 - 2}\\\\\huge\textsf{= -3}\\\\\\\huge\textbf{Therefore, your answer is: \boxed{\mathsf{-3}}}\huge\checkmark$

$\huge\text{Good luck on your assignment \& enjoy your day!}$

~ $\frak{Amphitrite1040:)}$

5 0

3 years ago

Read 2 more answers

Simplified expression -6x+2/3(9-15x)-2

Artist 52 [7]

Answer:

-16x+4

Step-by-step explanation:

-6x+2/3(9-15x)-2

Distribute

-6x +2/3 *9 +2/3*(-15x) -2

-6x +6 -10x -2

Combine like terms

-6x-10x +6-2

-16x+4

7 0

3 years ago

Please help! Question below

Marysya12 [62]

152... cuz 28 is perpendicular so... 180-28

5 0

4 years ago

7800 dollars is placed in an account with an annual interest rate of 6.5%. How much will be in the account after 29 years, to th

dimaraw [331]

Answer:

Year 29 $2,956.63 Total Interest $40,643.25 Balance $48,443.25

Step-by-step explanation:

Base amount: $7,800.00

Interest Rate: 6.5% (yearly)

Effective Annual Rate: 6.5%

Calculation period: 29 years

4 0

4 years ago

Please HELP ASAP PLEASE?????!!!!

Akimi4 [234]

Answer:

-1

Step-by-step explanation:

Any number less than -2 (ex -3, -4, -5) are less than -2

3 0

3 years ago

Read 2 more answers