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2 years ago

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Solve the inequality below.

1 answer:

Neporo4naja [7]2 years ago

8 0

Answer:

6.8

Step-by-step explanation:

In order to do this equation you must find out what -6/5u+8 is which has to equal greater than -10.

-6/5 as a decimal is -1.2

-1.2+8= 6.8

So it is 6.8>-10

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Smart people. Please click here. I attached a pic of the problem

sergey [27]

Look at the picture.

$r=\sqrt{x^2+y^2}$

$\sin\theta=\dfrac{y}{r}\\\\\cos\theta=\dfrac{x}{r}\\\\\tan\theta=\dfrac{y}{x}\\\\\cot\theta=\dfrac{x}{y}\\\\\sec\theta=\dfrac{r}{x}\\\\\csc\thera=\dfrac{r}{y}$

We have the point $\left(\dfrac{8}{17},\ \dfrac{15}{17}\right)\to x=\dfrac{8}{17},\ y=\dfrac{15}{17}$ .

Calculate r:

$r=\sqrt{\left(\dfrac{8}{17}\right)^2+\left(\dfrac{15}{17}\right)^2}=\sqrt{\dfrac{64}{289}+\dfrac{225}{289}}=\sqrt{\dfrac{289}{289}}=\sqrt1=1$

$\sin\theta=\dfrac{\frac{15}{17}}{1}=\dfrac{15}{17}\\\\\cos\theta=\dfrac{\frac{8}{17}}{1}=\dfrac{8}{17}\\\\\tan\theta=\dfrac{\frac{15}{17}}{\frac{8}{17}}=\dfrac{15}{17}:\dfrac{8}{17}=\dfrac{15}{17}\cdot\dfrac{17}{8}=\dfrac{15}{8}\\\\\cot\theta=\dfrac{\frac{8}{17}}{\frac{15}{17}}=\dfrac{8}{17}:\dfrac{15}{17}=\dfrac{8}{17}\cdot\dfrac{17}{15}=\dfrac{8}{15}\\\\\sec\theta=\dfrac{1}{\frac{8}{17}}=1:\dfrac{8}{17}=\dfrac{17}{8}\\\\\csc\theta=\dfrac{1}{\frac{15}{17}}=1:\dfrac{15}{17}=\dfrac{17}{15}$

5 0

3 years ago

Please help me with this problem

Paladinen [302]

Answer:

The y-intercept of both functions is y=0

Step-by-step explanation:

The line on the graph intercepts at 0, and the function is equivalent to $\frac{2}{3}$ x+0. Hope this helps!

8 0

3 years ago

A Normal distribution has mean µ = 61.6. Find it’s standard deviation if 20% of the values are greater than 70. (Hint--use the z

statuscvo [17]

Answer:

The value is $\sigma = 9.976$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 61.6$

Given that 20% of the values are greater than 70, the z-score to the right of the curve corresponding to 20% (0.2) of the values is

$z-score = 0.842$

Generally this z-score is mathematically represented as

$z-score = \frac{x - \mu }{\sigma }$

Here x = 70

So

$0.842 = \frac{70 - 61.6 }{\sigma }$

=> $\sigma = 9.976$

4 0

2 years ago

Chris purchased a tablet for $650. The tablet depreciates at a rate of $25 per month.

Troyanec [42]

Let d equal the final amount it depreciates.

Let m equal the number of months.

Since d is the final amount, we put this at the very end of the equation.

Since it depreciates $25 every month, this number is going to be subtracted from the total price of the tablet ($650).

The final equation comes out too: d = 650 - 25m

Best of Luck!

7 0

2 years ago

Anyone know how to solve this? help!

oee [108]

Okay I did the work and I think it’s either answer a or b but goodluck sorry

But I still don’t understand this.

4 0

2 years ago