rachelkagamine rachelkagamine

11-03-2020
Mathematics

contestada

what is the value of z so that -9 and 9 are both solutions of x^2+z=103?

Respuesta :

11-03-2020

Answer:

Z = 22

Step-by-step explanation:

plug 9 into the equation

9^2 + z = 103

81 + z = 103

subtract 81 from both sides

z = 22

do the same with -9

since you are squaring -9 this still equals 81 so the answer is the same.

Answer Link

Otras preguntas

I need help does anyone know economics like really good I’ll give you my number or give me yours I’m in need :(

Read this passage from Eudora Welty's "A Visit of Charity": Marian stood enclosed by a bed, a washstand and a chair; the tiny room had altogether too much fur

Find the taxidistance between the points (5, -3) and (-2, 4)

How does variation of beak type affect a birds ability to survive?

What is the sum of (-2.1x+3.7) and (5+4.9x)?

A sculpture of a clothespin is 20 feet high. A normal clothespin of this shape is five inches high. Using this scale, how many feet tall would a sculpture of a

The main reason why the hypothesis of continental drift was not widely accepted was:

Find the perimeter of the image below: Figure PQRST is shown. P is at negative 2, 11. Q is at negative 4, 5. R is at 2, 0. S is at 1, 7. T is at 8, 7. 37 uni

The longest leg of a 30-60-90 right triangle has a length of 18 feet. in simplest radical form, what is the length of the triangle's hypotenuse?

Balance this equation, and then enter the coefficients, in order, below. hcl(g)+o2(g)⇌cl2(g) + h2o(g) express your answer as integers separated by commas (e.g.,