brandicepech12 brandicepech12

14-05-2020
Mathematics

contestada

Solve each equation *

Captionless Image
a
b
c
d

Solve each equation Captionless Image a b c d class=

Respuesta :

ujalakhan18 ujalakhan18

14-05-2020

Answer:

b)

Step-by-step explanation:

n²+n-42=0

Using mid-term break

n²+7n-6n-42=0

n(n+7)-6(n+7)=0

(n-6)(n+7)=0

Either,

n-6=0 OR n+7=0

n=6 OR n= -7

Answer Link

Otras preguntas

help meeeeee help meeeee please

Oliver completed his project in no more than twice the amount of time it took Karissa to complete her project. Oliver spent 4 and one-fourth hours on his projec

write a point slope equation

What is the concentration of Ni2+(aq) ion in a 0.035 M Ni(NO3)2 solution that is also 1.00 M NH3? (Kf for Ni(NH3)6 ^2+ = 5.5 × 108) a) 3.5 × 10–2 M b) 6.4 × 1

The resistance of a wire is proportional to its length. If 2' of an electrical wire has a resistance of 12 ohms, what is the resistance of 9' of the same wire?

please use an equation step by step and please show the numbers do not use words

For a standard normal distribution,P(z < c) = 0. 3387Find c rounded to two decimal places

Which product (if any) will form a precipitate in the following reaction? 3CaCl2(aq) + 2Na3PO4(aq) --> Ca3(PO4)2 + 6NaCl a)Ca3(PO4)2 b)NaCl c)No Precipitate

What is produced by the process of meiosis? A. Cells that are an exact copy of the parent cell. B. Cells that are exact copies of all the other daughter cel

Hank is making chili. He uses 2/3 cup of black beans, 1/4 cup of kidney beans, and 2/3 cup of pinto beans. How many cups of beans does hank use. (use equivalent