noahbcon noahbcon

02-04-2020
Mathematics

contestada

find the equivalent expression
9(2a + 1)

a. 18a + 1
b. 18a + 9
c. 11a + 10
d. 27a

Respuesta :

hatcicekci hatcicekci

02-04-2020

Answer:

b

Step-by-step explanation:

because 9*2a=18a

9*1=9

= 18a+9

Answer Link

latasiaevans24 latasiaevans24

02-04-2020

B
Distribute 9 into parentheses and 9 times 2a is 18a plus the additional 9 times 1 which gives you 18a+9

Answer Link

Otras preguntas

"it's so noisy! how can you stand it?" remarks caitlyn as the thruway traffic screams past her friend dave's ground floor apartment. "i do not even notice it an

What is the frequency of radio waves with wavelength of 20m? Given:Wavelength=20mSpeed of light (C) =3×10^8Somebody help! I don't know what's the formula

A n-faced regular polyhedron consists of 2n edges and (2n-4) vertices. Find n .

Write a slope intercept equation for a line with the given characteristics m=-5/6, passes though (-5,-1)

Hey friends answer this please Please give the letter choice

plz help and explain thanks!!!

Factorise the following algebraic expressions completely a. y4 −81 . x2 +10x +24

question: {A gas has} Question 9 options: a definite volume and definite shape. a definite shape but no definite volume. no definite shape or definite volume. a

One of the unique characteristics of water is its ability to maintain a constant temperature within large aquatic systems. why is this important to an aquatic e

what does pure substance mean