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IceJOKER [234]
3 years ago
8

20points!!!!! Help pls HURRY!!!!

Mathematics
1 answer:
Lisa [10]3 years ago
4 0

Answer:

yes yes  no

Step-by-step explanation:

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The wind speed in mph was measured every six hours
valentina_108 [34]

Answer:

25 transwind

Step-by-step explanation:

the wind speed in your country is probably 4cm and in the next six hours is going to change to carbon dioxide speed which is 25 transpiring

6 0
3 years ago
Enter the equation of the circle described below. <br> Center (-1,4), radius = sqrt3
slava [35]
The equation of a circle always follows this:

(x - x1) + (y - y1) = r^2

x1 and y1 represent the coordinates as POSITIVE numbers and the r represent the radius

Your answer is (x + 1) + (y - 4) = 3
8 0
3 years ago
Read 2 more answers
Zoey earns $20 an hour babysitting plus a $5 flat rate for gas. how many hours must Zoey work to earn at least $125​
AleksAgata [21]

Answer:

6 hours

Step-by-step explanation:

20(for babysitting)*6=120

120+5 (for gas)=125

$125=6 hours of babysitting

5 0
3 years ago
Read this E[2X^2 â€" Y].
djyliett [7]

Looks like a badly encoded/decoded symbol. It's supposed to be a minus sign, so you're asked to find the expectation of 2<em>X </em>² - <em>Y</em>.

If you don't know how <em>X</em> or <em>Y</em> are distributed, but you know E[<em>X</em> ²] and E[<em>Y</em>], then it's as simple as distributing the expectation over the sum:

E[2<em>X </em>² - <em>Y</em>] = 2 E[<em>X </em>²] - E[<em>Y</em>]

Or, if you're given the expectation and variance of <em>X</em>, you have

Var[<em>X</em>] = E[<em>X</em> ²] - E[<em>X</em>]²

→   E[2<em>X </em>² - <em>Y</em>] = 2 (Var[<em>X</em>] + E[<em>X</em>]²) - E[<em>Y</em>]

Otherwise, you may be given the density function, or joint density, in which case you can determine the expectations by computing an integral or sum.

6 0
3 years ago
Answer this question for me please cause idk it
Greeley [361]

H=-4.9t^2+25t 0=t(-4.9t+25) T=25÷4.9 T= approx 5.1 which is closes to 5.0  So answer will be 5.0

8 0
3 years ago
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