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Dmitriy789 [7]
2 years ago
13

Solve these liner inequalities 2(x+1)>3(x-8)

Mathematics
1 answer:
raketka [301]2 years ago
4 0
The answer for that problem is X<26
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<span>it will take 24 gallons in 18 seconds to travel 1 mile</span>
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James Priya and Siobhan work in a grocery store James makes 9.00!per hour Priya makes 40% more than James and Siobhan makes 15%
ki77a [65]
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5 0
2 years ago
Suppose that a large mixing tank initially holds 400 gallons of water in which 70 pounds of salt have been dissolved. Pure water
Setler79 [48]

Answer:

Step-by-step explanation:

Given that a large mixing tank initially holds 400 gallons of water in which 70 pounds of salt have been dissolved. Pure water is pumped into the tank at a rate of 4 gal/min, and when the solution is well stirred, it is then pumped out at the same rate.

Let Q(t) be the quantity of salt at time t.

Q(0) = 70 pounds

Inflow of water = outflow = 4 gal/min

So resulting volume of tank at time t = 400 gallons

Rate of change of salt = inflow - outflow

= 0 - \frac{Q(t)}{400}

i.e. \frac{dQ}{dt} =\frac{-Q(t)}{400}

This is a variable separable equation

\frac{dQ}{Q}=-\frac{dt}{400} \\ln Q = {-\frac{t}{400}} +C\\Q = A e^{-\frac{t}{400}}

Use when t =0 Q = 70

A =70

So A(t) = Q(t) = 70 e^{-\frac{t}{400}} and

A(0) = Q(0) = 70 lbs.

7 0
2 years ago
Help ill give brainliest too
attashe74 [19]

Answer:

a

Step-by-step explanation:

I think so..

4 0
3 years ago
Read 2 more answers
What are the first and second steps performed in solving the inequality 2(4w + 8) – 2w + 42 &gt; 78? Name the property used.
Phoenix [80]
Hello :
<span>2(4w + 8) – 2w + 42 > 78
8w+16-2w+42 </span>> 78......(<span>distributivity × for + )
6w </span>> 20
w > 20/6
6 0
3 years ago
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