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Anni [7]
4 years ago
12

4x plus 9 if x equally 3

Mathematics
1 answer:
Kipish [7]4 years ago
8 0
4x * 9 = ?

4.3 * 9 ⇒ 1 2 * 9 = 108
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I have one question, i'll give ya'll 50 points!
nika2105 [10]

Answer:

<h3>it's A you're right</h3>
5 0
3 years ago
Solve- -4 1/4+ (5 1/2) =
Mademuasel [1]

Answer:

1,5

Step-by-step explanation:

-4• 1/4 + (5•1/2)=

-4/4 + (5/2)

-1+2,5=

+1,5

3 0
3 years ago
Read 2 more answers
What is an equation of the line that is perpendicular to y+1=-3(x-5) and passes through the point 4,-6
Oliga [24]

Answer:

y=\frac{1}{3}x-\frac{16}{3}

Step-by-step explanation:

Arranging the given equation in slope-intercept form ( y = mx + b ):

y+1=-3(x-5)\\y+1=-3x+15\\y=-3x+15-1\\y=-3x+14

<em>We know that the perpendicular line would have a slope (m) that is </em><em>negative reciprocal </em><em>of this (\frac{1}{3}). Thus we can write the perpendicular line's equation as  y=\frac{1}{3}x+b. </em>

<em />

<em>Now putting x = 4 and y = -6 into the equation, we can solve for b:</em>

<em>y=\frac{1}{3}x+b\\-6=\frac{1}{3}(4)+b\\-6=\frac{4}{3}+b\\b=-6-\frac{4}{3}\\b=-\frac{16}{3}</em>

<em />

Thus, the equation of the perpendicular line is  y=\frac{1}{3}x-\frac{16}{3}

6 0
3 years ago
Read 2 more answers
Using the following image, solve the problems below given that Q is the midpoint of PR.​
DochEvi [55]

Answer:

x=18

pq=101

qr=101

pr=202

Step-by-step explanation:

6x-7=5x+11

+5x pasa a restar como -5x al primer miembro y -7 pasa como +7x al segundo miembro y la ecuacion quedaria asi:

6x-5x=11+7

6x-5x=x

11+7=18

entonces x=18

pq=6x-7

pq=6(18)-7

pq=108-7

pq=101

y como se sabe que pq=qr porque hay un punto medio y dos segmentos cuando los divide un punto medio esos dos segmento miden igual entonces

por eso pq=qr

y como pq=101  qr=101

por ultimo

pr=pq+qr

pr=101+101

pr=202

3 0
4 years ago
Part 3 <br>please help <br>​
aleksandr82 [10.1K]

I'm taking "part 3" to mean the 3rd of the posted questions.

If f(x)=(x^3+2x)\ln x, then

f'(x)=(x^3+2x)'\ln x+(x^3+2x)(\ln x)'=(3x^2+2)\ln x+\dfrac{x^3+2x}x

\implies f'(x)=(3x^2+2)\ln x+x^2+2

Then when x=1, we get f'(1)=3.

6 0
3 years ago
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