$98-x^2=0\qquad\text{add}\ x^2\ \text{to both sides}\\\\98=x^2\to x^2=98\\\\x=\pm\sqrt{98}\\\\x=\pm\sqrt{49\cdot2}\\\\x=\pm\sqrt{49}\cdot\sqrt2\\\\\boxed{x=-7\sqrt2\ \vee\ x=7\sqrt2}$

8 0

3 years ago

Please help asap! Due tonight!

oksano4ka [1.4K]

Answer:

Second choice, 3

Step-by-step explanation:

a^2 + b^2 = c^2

4^2 + b^2 = 5^2

16 + b^2 = 25

b^2 = 9 (square root both sides)

b = 3

7 0

3 years ago

2-1 3+2- 9 1 * 3| 44 (+1)(0) (98 9( 2)

Katena32 [7]

Answer:64

Step-by-step explanation:

8 0

3 years ago

Y= 4x + 4 and -0.25x - 2

Yuri [45]

Answer:

Step-by-step explanation:

7 0

3 years ago