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ryzh [129]
3 years ago
9

Find the solution set of the inequality: -3x + 8 < 15

Mathematics
1 answer:
Nata [24]3 years ago
7 0

Answer:

the answer would be x>-7/3

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Find the values of x for which the denominator is equal to zero for 2x^2+5/x^2-2x .
Elodia [21]

Let's see

\\ \rm\rightarrowtail x^2-2x=0

\\ \rm\rightarrowtail x(x-2)=0

\\ \rm\rightarrowtail x=0\:or\:x-2=0

\\ \rm\rightarrowtail x=0\:or\:x=2

3 0
2 years ago
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a school has 520 students. dan surveys a random sample of 50 students and finds that 32 have pet cats. how many students are lik
Karo-lina-s [1.5K]
333

32/50 = 0.64

64% of 520 is 332.8 ... hopefully there isn't .80 of a student somewhere in that school, so 333.
8 0
3 years ago
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What is the equation, in point-slope form, of the line that is parallel to the given line and passes through the point (−1, −1)?
777dan777 [17]
First find the slope of this new line; it's the same as the slope of the "given line," which you unfortunately have not yet given.  Let's call that slope "m."

Then, the equation in point-slope form of the new line is

y - (-1) = m(x - [-1]), or    y+1 = m(x+1)

Please go back to the original question, obtain the slope of the "given line," and substitute that value for m in y+1 = m(x+1).
4 0
3 years ago
Does anyone know the answer to this?
bezimeni [28]

Hey there!


First, let's find s:

s = (5 + 6 + 7) /2 = 9


Second, let's plug in the numbers into the formula:

A = \sqrt{9(9-7)(9-5)(9-6)}


Third, let's simplify the numbers to get one number under the square root:

A = [tex]\sqrt{216}


Fourth, we'll find the square root of 216 to get the area:

A = 14.697


Therefore, your answer is A.


Hope this helps!! :)

5 0
3 years ago
For the last 4.5 hours, the temperature has decreased at a rate of 2.8 Degrees Fahrenheit per hour. Which best represents the ov
faust18 [17]

Answer:

The overall change in temperature over the time period ∆T = -12.6°F

Step-by-step explanation:

Rate of change of temperature r = -2.8°F per hour

Time t = 4.5 hours

The overall change in temperature ∆T = Rate of change of temperature × time period

∆T = r × t

∆T = -2.8°F per hour × 4.5 hours

∆T = -12.6°F

The overall change in temperature over the time period is -12.6°F

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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