26-04-2017
Mathematics

contestada

I need help with 7-10 please!

I need help with 710 please class=

Relax

Respuesta :

Аноним Аноним

26-04-2017

7:
3/8 = 6/x
3x = 48
x = 16

8:
4/5 = (x+7)/40
160 = 5x + 35
5x = 125
x = 25

9:
3/8 = 12/(x-3)
3x - 9 = 96
3x = 105
x = 35

10:
4/1 = (3x+6)/x
4x = 3x + 6
x = 6

Answer Link

Otras preguntas

Tiny ducts in the breast transport milk to the nipple. These ducts are where____ percent of breast cancer occurs. A.20 B.40 C.60 D.80

Which polynomial function has a leading coefficient of 1, roots –2 and 7 with multiplicity 1, and root 5 with multiplicity 2?

Find an ordered pair to represent t in the equation t=1/2u+v if u=(-1,4) and v=(3,-2)

Find the 6th term in the expansion of (x + 2)9.

Step 1: -10 + 8x < 6x-4 Step 2: -10 <-2x - 4 Step 3: -6 <-2x Step 4: What is the final step in solving the inequality --215-4x) 6x - 4? O x<-3 O x&g

Elinor believes that Edward’s strange behavior is related to

24. Which of the following items is false about ionization energy change with removal of valence electrons?

I need help I’ve been stuck on this for a while now and I can’t get passed it can someone please help please please help

Because of a problem in the program, the timer in a video player did not begin counting until the video had been playing for several seconds. The player began c

which sentence i’m this excerpt from the yellow wallpaper by charlotte perkins gilman suggests that , despite her growing insanity the narrator still retains s