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Natasha2012 [34]
2 years ago
6

-4(2x + 4) > 8x + 64

Mathematics
2 answers:
romanna [79]2 years ago
5 0

Hello there I hope you are having a great day :)

Your Question, -4(2x + 4) > 8x + 64 Solve for X

1) Expand -8x-16>8x+64

2) Add 16 to both sides -8x-16+16>8x+64+16

3) Simplify -8x>8x+80

4) Subtract 8x from both sides -8x-8x>8x+80-8x

5) Simplify -16x>80

6) Multiply both sides -1 (Reverse the inequality) (-16x) (-1) >80 (-1)

7) Simplify 16x<-80

8) divide both sides by 16   16x/16 <  -80/16

9) Simplify x < -5  

This should be your answer x < -5

Hopefully that helps you :)

viva [34]2 years ago
4 0

Answer:

x<-5

Step-by-step explanation:

-4(2x+4)>8x+64

-8x+-16>8x+64

+8x +8x

-16>16x+64

-64 -64

-80>16x

/16 /16

-5>x

x<-5

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How tall is the flagpole?<br> X<br> 6 ft<br> 15 ft<br> 4.5 ft
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Answer:

x = 20 ft

Step-by-step explanation:

We can use similar triangles and ratios to solve

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4.5x = 15*6

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Divide each side by 4.5

4.5x/4.5 = 90/4.5

x =20

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3 years ago
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balu736 [363]
1 83/100 because 3-1=2
8 0
3 years ago
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Which decimal is equivalent to 8.100
larisa86 [58]

Answer:

81/10

Step-by-step explanation:

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7 0
2 years ago
A kayak rental company charges $25.00 to rent a kayak and $3.50 for each half hour it is used.
pogonyaev

Answer:

Option D (r(t) = 3.50t +25 ; r(8) = 53)

Step-by-step explanation:

The fixed cost to rent the kayak $25. This is the cost which remains fixed irrespective of the usage of the kayak. The variable cost of using the kayak is the cost which depends on the usage of the kayak. It is mentioned that the kayak is used for 4 hours and the company charges $3.5 for every half hour. The cost function is given by:

r(t) = 25 + 3.5t ; there r is the total cost of using the kayak and t is the number of half-hours the kayak is used.

4 hours means that there are 8 half-hours. Therefore, t=8. Put t=8 in r(t).

r(8) = 25 + 3.5*(8) = 25 + 28 = 53.

Therefore, Option D is the correct answer!!!

3 0
3 years ago
Read 2 more answers
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