lena4042 lena4042

02-11-2019
Mathematics

contestada

twice the difference of a number and 9 is 7

Respuesta :

Jessicaalvarez2006 Jessicaalvarez2006

02-11-2019

(x-9)^2=7
“twice the difference of a number” would mean x-9 twice equals 7

Answer Link

ujalakhan18 ujalakhan18

02-11-2019

Answer:

x=12.5

Step-by-step explanation:

Let the number be x

2(x-9)=7

2x-18=7

2x=7+18

2x=25

x=25/2

x=12.5

Answer Link

Otras preguntas

Which issue was addressed by the Supreme Court in the Dred Scott case? A. whether Northerners could own slaves B. whether slaves were citizens or property C. wh

Many minorities battled discrimination by (A) getting an education (B) opening businesses (C) relocating their families (D) organizing advocacy groups

Is 4 miles greater than 15,840 feet

Choose the sentence with no errors in punctuation or capitalization. (Points : 1) She continued, "The last story on the reading list is "The Mos

The us constitution reflects the principle of individual rights because

miss Evans earns £240 per week. she is awarded a pay rise of 3.5% how much does she earn each week after her rise?

The prefix in the word abnormal means— a across b between c not; away from d two

Which sentence uses correct capitalization? A. Uncle Pete and aunt Agnes will come over for Independence Day as usual. B. This is Governor Bond, the youngest Go

Are earthquakes scattered all over the world or do they seem to occur near each other ( in groups)?

Rome contributed to the development of world languages.