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svet-max [94.6K]
3 years ago
8

Which of the following is the solution set of the problem?

Mathematics
2 answers:
expeople1 [14]3 years ago
7 0

Answer: b

Step-by-step explanation: got it right

timofeeve [1]3 years ago
6 0

2 less than a number n is (n - 2 ) and 3 times this is 3(n - 2 ), thus

3(n - 2) ≥ 5n ( greater than or equal to 5 times n )

3n - 6 ≤ 5n ( subtract 3n from both sides )

- 6 ≥ 2n ( divide both sides by 2 )

- 3 ≥ n or n ≤ - 3

Since n is less than or equal to - 3 use bracket ]

n ∈ ( - ∞, - 3 ] ← solution set





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If x = -6, which inequality is true?
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Step-by-step explanation:

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3 years ago
Evaluate the integral. (remember to use absolute values where appropriate. Use c for the constant of integration.) 5 cot5(θ) sin
ozzi

I=5\int \frac{cos^{4}\theta }{sin\theta }\times cos\theta d\theta \\\\I=5\int \left ( 1-sin^{2}\theta  \right )^{2}\times \frac{cos\theta }{sin\theta }d\theta \\put\ \sin\theta =t\\\\dt=cos\theta d\theta \\\\I=5\int\frac{t^{4}+1-2t^{2}}{t}dt\ \ \ \ \ \ \ \ \ \ \because (a-b)^2=a^2+b^2-2ab\\\\I=5\left ( \int t^{3}dt + \int \frac{1}{t} -2\int t \right )dt

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\\I=5\left ( \frac{t^{4}}{4} +logt -t^{2}\right )\\\\I=\frac{5}{4}t^{4}+5\log t-5t^{2}+c

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7 0
3 years ago
A biker travels 10 miles in two hours, what is his speed?
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7 0
3 years ago
Read 2 more answers
Alicia walks 4 miles in 1 hour and can speed walk 5 miles in 1 hour. What percent of Alicia's average speed walking rate is her
RSB [31]

Answer:

The % Alicia speed walking is 125 % of average walking

Step-by-step explanation:

Given as :

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Time taken                                               = 1 hour

So, Speed of Alicia while walking = \frac{Distance}{Time}

Or,                                            S 1  =  \frac{4 miles}{1 hour}

I.e                                              S 1  =  4 mph

And

Distance cover by Alicia while speed walk  = 5 miles

Time Taken                                                      = 1 hour

So, Speed of Alicia while speed walking = \frac{Distance}{Time}

Or,                                            S 2  =  \frac{5 miles}{1 hour}

I.e                                              S 2  =  5 mph

Or,   % Rate = \frac{5}{4} ×100 = 125

Hence The % Alicia speed walking is 125 % of average walking  Answer

4 0
3 years ago
Read 2 more answers
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