zemerion8 zemerion8

23-02-2021
Mathematics

contestada

17. If x is a real number such that x3 = 729,
then x2 + x = ?
A. 738
B. 732
C. 90
D. 84
E. 12

Respuesta :

rorycampbell0721 rorycampbell0721

23-02-2021

Answer:

C. 90

Step-by-step explanation:

If x^3 = 729, x = 9.

Then, plug that into x^2 + x

9 ^ 2 + 9 = 81 + 9 = 90

Answer Link

Otras preguntas

can you die from boringness

Which of the excerpts from The Monsters Are Due on Maple Street is an example of foreshadowing? A.) "Where is Pete Van Horn anyway? Didn't he get back yet?" B.

Alphonse suffered a stroke, resulting in a lesion in his temporal lobe. Which of Alphonse’s perceptual or cognitive functions is MOST likely impaired?

For the graph of the function, identify the axis of symmetry, vertex and the formula for the function. Axis of symmetry: x = –0.5; Vertex: (–0.5, –0.5); f(x) =

Some of the mangos from your neighbor's mango tree drop into your yard. You don't like mangos and the fallen mangos make it harder to mow your lawn. Your neighb

A person drives north 8 blocks, then turns west and drives 4 blocks. The driver then turns south and drives 8 blocks. How could the driver have made the distanc

A blue ocean strategy is when a company: a. outperforms rivals through higher sales volume, either through a low-cost or a differentiation strategy.

80 POINTS IF YOU ANSWER ALL!! PLUS BRAINLY, RATING, ETC! 1. Governments want to decrease the negative effects of climate change. Which of these measures would b

64 plus what equals 177

Incorrect Answer If the horizontal circular path the riders follow has a radius of 6.5 m, at how many revolutions per minute will the riders be subjected to a c