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MrRa [10]
4 years ago
15

Evaluate the function f(x)=3x-7if x=6

Mathematics
2 answers:
notka56 [123]4 years ago
8 0

Answer:

if x=6, then f(6)=11

Stolb23 [73]4 years ago
6 0
Substitute 6 for x, f(6)=3•6-7, f(6)=11
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3. Two planes are 1620 miles apart and are traveling toward each other. One plane is traveling 120 mph faster than the other pla
GuDViN [60]

Answer:

(9ile)|(ph2our)

Step-by-step explanation:

Sorry is it ok if I converted it into a simplified fraction?

4 0
3 years ago
8k - 6 = 10k + 6<br> No idea how to figure this out
kumpel [21]

8k - 6 = 10k + 6

K= -6

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    8*k-6-(10*k+6)=0

Step by step solution :

STEP

1

:

Pulling out like terms

1.1     Pull out like factors :

  -2k - 12  =   -2 • (k + 6)

Equation at the end of step

1

:

STEP

2

:

Equations which are never true:

2.1      Solve :    -2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

2.2      Solve  :    k+6 = 0

Subtract  6  from both sides of the equation :

   Which gives k = -6

8 0
3 years ago
Read 2 more answers
Hi i have no idea does anyone have an idea ? please
ivann1987 [24]

Answer:

y = 2(x+5)²- 60

Step-by-step explanation:

f(x) = ax² +bx +c,  is the standard form

f(x) = a(x - h)² +k , is the vertex form where the (h, k) is the vertex

y = 2x²+20x -10 ,

factor 2 from the two terms

y = 2(x² +10x) -10,

what perfect square has x² +10x? ... x²+10x +25 = (x+5)²

y = 2(x²+10x+25 )- 50 -10,

add 25 in parenthesis to get a perfect square yet subtract 2*25 = 50 so the equation will stay the same

y = 2(x+5)²- 60,

the equation has the vertex at (-5, -60)

3 0
2 years ago
Addy has 51.79 pounds of dirt. She has buckets in her garage. Each bucket can hold 2.5 pounds of dirt. If she has 20 buckets wil
kirill [66]

Answer:

No

Step-by-step explanation:

20x2.5=50

51.79-50=1.79

therefore there isn't enough buckets for all the dirt.

4 0
3 years ago
Read 2 more answers
Heeelp I don't get it. I have the formula for conversion:<br><br> wanted= given×(wanted/given)
Bogdan [553]

Your answer is D. You just take the feet in a mile (5,280) and divide it by his pace (2.75) feet. You get 1920, which is your answer.

3 0
4 years ago
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