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dalvyx [7]
2 years ago
9

6x+1/2xy=3 please help im confused

Mathematics
2 answers:
taurus [48]2 years ago
6 0
6x+ (1/2x)(y)=3

Step 1: Factor out variable x.
x (y+12/2)=3

Step 2: Divide both sides by (y+12/2.

x(y+12/2)         3
------------- = ---------
   y+12          y+12
-----------      ----------
      2                2

Then your answer would be            6
                                              x=  ---------
                                                      y+12
Dafna11 [192]2 years ago
3 0
Hey there,

<span>y = 90 + -45x + -10x2 + 5x<span>3

</span></span><span>-6x + -3x = -9x y = 5(18 + -9x + 1x2 + -3x2 + x3) </span><span> (-2 + x) * (3 + x) y = 5(-2(3 + x) + x(3 + x))(-3 + x) y = 5((3 * -2 + x * -2) + x(3 + x))(-3 + x) y = 5((-6 + -2x) + x(3 + x))(-3 + x) y = 5(-6 + -2x + (3 * x + x * x))(-3 + x) y = 5(-6 + -2x + (3x + x2))(-3 + x)

</span>y = 90 + -45x + -10x2<span> + 5x</span><span>3=
</span><span>                           10        15

115+-45=70

X=70

</span>
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HELP ME PLZ!!!! if the answer is right ill mark you brainliest
STALIN [3.7K]

Answer:

9.6558916e+17

Scientific Notation: 3.45 x 10^5

E Notation: 3.45e5

= 9.26 × 1010

(scientific notation)

= 9.26e10

(scientific e notation)

= 92.6 × 109

(engineering notation)

(billion; prefix giga- (G))

its probably: 9.26 × 1010 as the question asks for scientific notation

Step-by-step explanation:

somewhere between those lines, good luck!

5 0
2 years ago
The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find
Zinaida [17]

Answer:

y=-0.215x^2+35

Step by Step:

Let, h=0,  k=35, x=8, y=21

We know that, the general equation of the parabola.

   y-k = a(x-h)^2

\Rightarrow y=a(x-h)^2+k  .........(i)

Substitute the  value of h, k, x, y in equation (i) and find the value of a.

  21=a(8-0)^2+35

\Rightarrow 21=a\times 8^2+35

\Rightarrow 21=64a+35

\Rightarrow 64a=21-35

\Rightarrow 64a=-14

\Rightarrow a=\frac{-14}{65}

\Rightarrow a=-0.215

Hence, the equation of the parabola is:

y=-0.215x^2+35

8 0
2 years ago
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stealth61 [152]
S is slope
S= rise/run
S1=3/12=1/4
S2=2/16=1/8
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2 years ago
A ferritin test is a popular test to measure a person’s current iron stores. in women, ferritin is normally distributed with a m
MArishka [77]
Given:
μ = 89 ng/ml, population mean
σ = 23 ng/ml, population standard deviation

Random variable, x = 100
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From standard tables, obtain
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Answer: 68.4%
7 0
3 years ago
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