fait5ieshaueval fait5ieshaueval

23-02-2017
Mathematics

contestada

What are the solutions to the equation 9x^2=49?
Round to the nearest tenth.
A. 2.3, -2.3
B. 5.4, -5.4
C. 7, -7
D. 21, -21

Respuesta :

wolf1728 wolf1728

23-02-2017

9x^2 = 49
x^2 = 49/9
x^2 = 5.4444444
x1 = 2.3333333333
x2 = - 2.3333333333
Answer is A

Answer Link

Otras preguntas

If the midpoint between (18, y) and (20, -15) is (19, -5), find the value of y.

Find the 40th term of this arithmetic sequence.

Do you think the Palmer Raids were a valid approach for a government to take? Explain

Which of the following tends to form a cation (positive ion) with a charge of 2+? a. Na b. O c. He d. Mg

What is the difference between anus and ovary

who was not free in medieval England

Maria is tossing a fair coin. She tosses the coin ten times and it lands on heads eight times. If Maria tosses the coin an eleventh time, what is the probabilit

Do you think the Palmer Raids were a valid approach for a government to take? Explain

Find the 40th term of this arithmetic sequence.

Which sentence does not contain any punctuation errors? A.The smoothie recipe includes the following, frozen berries, yogurt, and vanilla extract. B.The smoot