glossytears120 glossytears120

14-03-2021
Mathematics

contestada

Henry wrote 4z2 - 22 as
4. Are 4z2 – 22 and 4 equivalent expressions?
Explain.

Respuesta :

kica226 kica226

14-03-2021

If the q is: are 4z2-22 and 4 equivalent expressions, the answer is No.
4z2-22=4
8z-22 is not equal to 4
If you are looking for value of z, then:
8z-22=4
8z=4+22
8z=26
z=26/8
z=13/4
In case in which z=13/4, than expression
4z2-22 would be equivalent to 4.
Hope this helped.

Answer Link

Otras preguntas

Solve the equation below

What is the sum of the finite arithmetic series? (–5) + 0 + 5 + 10 + ... + 65 A. 900 B. 455 C. 450 D. 445

Name the following molecules and identify the homologous series to which each one belongs: CH3CH2CH2Br

How many different ways can an after school club of 13 students line up?

a shirt has been increased by 10% to £11 what was the original price

y is directly proportional to x 2 . If y = 112 when x = 4 find y when x = 9

After eating two hamburgers, a milkshake, and paying his bill, John left.

A line intersects the points (4, 2) and (7, 8). What is the slope of the line in simplest form? m = [?]

I did the first one but I need help on the others

Solve the quadratic equation (√5 – 3)x^2 + 3x + (√5+3) = 0, giving your answers in the form a+b√5, where a and b are constants.