Which expression correctly represents "nine less than the quotient of a number and four, increased by three?

Mathematics

2 answers:

Naddik [55]3 years ago

5 0

Answer: i don't know what the number is but i'll just put a random number

9∠1x4+3

Step-by-step explanation: i'm sorry if i'm wrong i tried my best

iVinArrow [24]3 years ago

4 0

Answer:

Step-by-step explanation:

((n / 4) - 9) + 3

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What’s the anwer I do not understand this

romanna [79]

Answer:

Step-by-step explanation:

So you have to get 2/3 of 128 grams which is about 85 grams. It says she has to mix 64 grams so she went over.

Hope this helps :)

8 0

3 years ago

Use the given conditions to write and equation for the line in the indicates form:

stellarik [79]

We know that
the equation of the line in slope-intercept form--------------> y=mx+b

Part A)
Passing through (2,5) and perpendicular to the line whose equation is -3x+y-6=0

Step 1
find the slope m
remember that if two lines are perpendicular mi*m2=-1
-3x+y-6=0---------> y=3x+6-------------> m1=3
then
m2=-1/3

Step 2
find the value of b
point (2,5) m=-1/3
y=mx+b----------> 5=(-1/3)*2+b--------> b=5+(2/3)-----> b=17/3

Step 3
find the equation of the line in slope-intercept form
y=(-1/3)x+17/3

using a graph tool
see the attached figure

the answer part A) is y=(-1/3)x+17/3

Part B)
Passing through (2,5) and perpendicular to the line whose equation is -3x-6=7x; slope intercept form.

Step 1
-3x-6=7x---------> 10x=-6 -----> x=-6/10-----> x=-3/5 (parallel to the axis y)
equation of the line is a constant so its perpendicular will be another constant defined by the coordinate y of the point through which it passes parallel to the axis x

point (2,5) ----------> the coordinate y=5
therefore
the perpendicular line is y=5 (parallel to the axis x)

using a graph tool
see the attached figure

the answer part B) is y=5