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pickupchik [31]
3 years ago
5

Find all real numbers x such that 3x - 4 < 5 and -8x - 19 < 21

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
6 0

Answer:

3x<5+4

=3x<9

=x<<u>9</u>

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>3

x<3

-8x-19<21

-8x<21+19

-8x<40

x<<u>4</u><u>0</u>

<u> </u><u> </u><u> </u><u> </u><u>-</u><u>8</u>

x<-5

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There were 324 adults surveyed. Among the participants, the mean number of hours of sleep each night was 7.5 and the standard de
kirill [66]
0.17 sense you have to round it to the nearest hundreth


5 0
2 years ago
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Solve the separable differential equation dtdx=x2+164 and find the particular solution satisfying the initial condition x(0)=9
maria [59]
\dfrac{dt}{dx} = x^2 + \frac{1}{64} \Rightarrow\ dt = \left(x^2 + \frac{1}{64}\right)dx \Rightarrow \\ \\ \displaystyle \int 1 dt = \int \left(x^2 + \frac{1}{64}\right)dx \Rightarrow \\ t = \dfrac{x^3}{3} + \frac{x}{64} + C

C = 9 because all the x terms go away.

t = \dfrac{x^3}{3} + \dfrac{x}{64} + 9
3 0
3 years ago
Can you guy's help me quick!
nadya68 [22]

Answer:

480,700 sets (first choice)

Step-by-step explanation:

If all 25 questions are different,

When order of selection counts:

P(25,7)

= 25!/(25-7)!

= 15511210043330985984000000/6402373705728000

= 2422728000

When order of selection does not count count:

C(25,7)

=25!/(7!*(25-7)!)

=15511210043330985984000000/(6402373705728000*5040)

= 480,700

Hope this helps, have a nice day.

6 0
3 years ago
Find g(x), where g(x) is the reflection across the y-axis of f(x)= –9|x–10|+1.
Gnom [1K]

Answer:

To reflect a graph, f(x) over the x-axis, you take -f(x).

So if f(x)=x^2, then -f(x) is -x^2.

Then g(x)=-x^2 is the reflection of your function f(x) over the x-axis.

Step-by-step explanation:

5 0
3 years ago
Help !!!!!!!!!!!!!!!!
geniusboy [140]

Answer:

Hey there!

5(v+3)-10v>-10

5v+15-10v>-10

-5v+15>-10

-5v>-25

v<5

Let me know if this helps :)

5 0
3 years ago
Read 2 more answers
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