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bearhunter [10]
4 years ago
13

4x+3<-5 or 4x+3>23 help !!!

Mathematics
1 answer:
pochemuha4 years ago
7 0
4x + 3 < - 5                 4x + 3 > 23
4x < -3 - 5                   4x > 23 - 3
4x < -8                        4x > 20
x < -8/4                       x > 20/5
x < -2                          x > 4

so x < -2 or x > 4
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3 years ago
Find the equation of the line (-4,-7) and (12,1)
ryzh [129]

Answer:

y = 1/2x -5  slope intercept form

y-1 = 1/2(x-12)  point slope form

Step-by-step explanation:

We can find the slope of this line by using

m = (y2-y1/(x2-x1)

  = (1--7)/ (12 --4)

 = (1+7)/(12+4)

 = 8/16

  = 1/2

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y-y1 = m(x-x1)

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4 0
3 years ago
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HELP MATH ANSWER QUESTION
Rom4ik [11]

Answer:

x = 84 , y = 168

Step-by-step explanation:

Sin 60 =  \frac{opposite side}{hypotenuse}\\\\ \frac{\sqrt{3}}{2}= \frac{AB}{BC}\\\\ \frac{\sqrt{3}}{2} = \frac{84\sqrt{3}}{y}\\\\Cross\ multiply ,\\\\y*\sqrt{3} =2*84 \sqrt{3}\\\\y= \frac{2*84*\sqrt{3}}{\sqrt{3}}\\\\y=168

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8 0
3 years ago
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7 0
3 years ago
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A tennis ball weighs about 57.6 grams. about how many apuntes would 12 tennis balls weigh?
Ilia_Sergeevich [38]

Answer:

The weight of 12 tennis balls  =  691. 2 grams

Step-by-step explanation:

The weight of each  tennis ball =  57.6 grams

So, the weight of 12 balls    =    12 x ( weight of 1 ball)

                                              = 12 x 57.6 grams

                                              = 691.2 grams

⇒12 balls weigh 691.2 grams

Hence, the weight of 12 tennis balls  =  691. 2 grams

7 0
4 years ago
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