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luda_lava [24]
3 years ago
15

Can someone answer these two questions please

Mathematics
1 answer:
lianna [129]3 years ago
3 0
Question1 is c and <span>question 2 is  cool</span>
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If z=sprt5 -sprt2, then Izl=​
ASHA 777 [7]

Answer:

3

is the answer

because sprt - sprt = 0

then 5-2=3

3 0
3 years ago
You want to know the mean number of sick days taken by students in your county last year. At each of five schools you randomly s
Assoli18 [71]

Answer:

4

Step-by-step explanation:

Add each sample separately

A.17   B. 47   C. 39 D. 52 E. 45

Then you add them all together which totals 200 sick days

We know that they surveyed 5 schools and 10 students at random from each one. So we want to know the mean of sick days the students took not the schools in all.

So we divide 200/50

And get a mean of 4.

So each student took an average of 4 sick days each in the country.

3 0
3 years ago
X+4/2=13 whats x equal
Svetlanka [38]

Answer:

X=11

Step-by-step explanation:

6 0
2 years ago
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Which of the following equations have complex roots?
Svetllana [295]

Answer: B

Step-by-step explanation:

We can rearrange the equation to get x^2=-\frac{2}{3}, which clearly has complex roots.

7 0
2 years ago
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Which expression is equivalent to ^4 sqrt 144a^12 b^3
Alex_Xolod [135]
The expression equivalent to <span> ^4 sqrt 144a^12 b^3 will be found by simplifying our expression as follows:
</span><span> ^4 sqrt 144a^12 b^3
=(144a^12b^3)^(1/4)
=(12^2a^12b^3)^(1/4)
=12^(1/4*2)a^(12*1/4)b^(3*1/4)
=12^(1/2)a^3b^(3/4)

Answer: </span>12^(1/2)a^3b^(3/4)
3 0
3 years ago
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