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3 years ago

5(s+3)–13≤7 what is s

Mathematics

2 answers:

ryzh [129]3 years ago

8 0

Answer:

Step-by-step explanation:

jenyasd209 [6]3 years ago

4 0

Answer:

s ≤ 5

Step-by-step explanation:

We are given the ineuqality of 5(s + 3) - 13 ≤ 7 and are asked to solve it. To do so, we need to isolate s.

First, get rid of the parenthesis by distributing the 5 to s and 3:

5(s + 3)

(s(5) + 3(5))

5s + 15 - 13 ≤ 7

Combine like terms:

5s + 2 ≤ 7

Now get the number with x alone by subtracting 2 from both sides:

5s ≤ 5

Now get s alone by dividing both sides with 5 :

s ≤ 5

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Y=2+ square root of x-8 solve for x

gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

y = 2√(x-8)

y² = 4(x-8) = 4x-32

4x = y²+32

x = 0.25y² +8

5 0

3 years ago

The Magic Dragon has 2013 heads. Leo the Brave is cutting off the Dragon's heads at a speed of 5 heads per minute. The Dragon's

aivan3 [116]

Answer: The answer is 1833 heads and 11 hours, 11 minutes.

Step-by-step explanation: Given that the Magic Dragon has 2013 heads. The brave Leo is cutting off the Dragon's heads at a speed of 5 heads per minute. But, the Dragon's heads are growing back at a speed of 2 heads per minute.

So, the number of heads of Dragon that are decreasing per minute = 3.

Therefore, after 1 hour, i.e., 60 minutes, The number of heads of the Dragon

= 2013 - 60 × 3 = 2013 - 180 = 1833 heads.

Now, the fight will last until all the heads of the Dragon are cut. Let the fight lasts for 'x' minutes, then

$2013-x\times 3=0\\\\\Rightarrow 3x=2013\\\\\Rightarrow x=\dfrac{2013}{3}=671.$

Hence the fight lasts for 671 minutes, i.e., 11 hours and 11 minutes.

Thus, the Dragon will have 1833 heads after 1 hour and the fight will last for 11 hour and 11 minutes.

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3 years ago

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NISA [10]

Answer:

Step-by-step explanation:

so if you put Ln(0.99) into your calculator it gives you a negative answer. so we know that this problem will be decay.

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7 0

3 years ago

2x+4y=6<br> 3x=12-6y<br> Solve by elimination

faltersainse [42]

Answer:

no solution

Step-by-step explanation:

2x + 4y = 6......reduces to x + 2y = 3

3x = 12 - 6y....reduces to x = 4 - 2y...rearranged is x + 2y = 4

so now we have :

x + 2y = 3

x + 2y = 4

ok....I dont have to go any farther to know that this has no solution because ur equations have the same slope and different y int, this means ur lines are parallel and have no solution because they never cross each others path.

5 0

3 years ago

Read 2 more answers

Hi . how u r doing good. pls help me with these questions , I really need help

sleet_krkn [62]

Answer:

Which grade's question is this?

5 0

3 years ago