3 years ago

Solve x2 - 49 = 0 A) ±49 B) ±12 C) ±7 D) ±6

Mathematics

2 answers:

Stells [14]3 years ago

8 0

X2 - 49 = 0 factor this:0
(x + 7)(x - 7) = 0

x = +/- 7

Alex Ar [27]3 years ago

5 0

C, x = +-7. Difference of squares

You might be interested in

Use the diagram to find each angle measure.

tensa zangetsu [6.8K]

Answer:

Jack in Zeta Labs near Facility Intelligence and Zeta Labs spawn (Sells gadgets like the Presence Reduction Module and Night Vision Goggles)

Step-by-step explanation:

8 0

2 years ago

Is 3x = 2y a linear equation?

mel-nik [20]

Answer:

yes

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Please help I'm so stressed over this math ok here it is It costs $12.50 to enter an amusement park and $1.50 to play each game.

qwelly [4]

Answer:

12.50 + 1.50x < 35

Step-by-step explanation:

X represents the number of games that Cole plays. The admission price plus the money he spends on games should be LESS THAN or EQUAL to 35 dollars.

5 0

3 years ago

Randy's bicycle tire has a diameter of 42 ccentimeters. Which is the closest to the circumference of one of the tires? Use 3.14

murzikaleks [220]

Answer:

131.88 centimeters

Step-by-step explanation:

diameter = radius*2

radius = 21

circumference =2*π*r

2*3.14*21= 131.88 centimeters

4 0

3 years ago

Help last question for math<br> What is:<br> -3/8 divided by 7/12?

schepotkina [342]

-3/8 divided by 7/12
-3/8 times 12/7 ( 7/12 is switched because it is changing from division to multiplication)
-3/8 times 12/7= -9/14
Hope this helped

8 0

3 years ago