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emmainna [20.7K]
3 years ago
14

Add.

Mathematics
2 answers:
otez555 [7]3 years ago
5 0
(-8x⁴ + x³ + 2x² + 2) + (-x⁴ + 5x³ - x² + 5x)
= -8x⁴ + x³ + 2x² + 2 + -x⁴ + 5x³ - x² + 5x
= -9x⁴ + 6x³ + x² + 5x + 2
Schach [20]3 years ago
4 0
Combine like terms. -9x^4+6x^3+x^2+6x
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Nolan begins a savings account with $100 at 2% interest according to the equation , where Vn is the value of his account after x
AleksAgata [21]
$94.23...............
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3 years ago
3x^2+7x=30______________
goblinko [34]

Answer:

if you need help with problems like that I suggest algebra calculator or math away

8 0
3 years ago
Read 2 more answers
At the beginning of a semester an anonymous survey was conducted on students in a statistics class. Two of the questions on the
kati45 [8]

Answer:

a. Chi-square test of independence

Step-by-step explanation:

The chi square statistics is also used to test the hypothesis about the independence of two variables each of which is classified into a number of categories or attributes.

In the given problem the Equal , more or less are the attributes.

The goodness of fit test is applicable when the cell probabilities depend upon the unknown parameters  provided that the unknown parameters are replaced with their estimates and provided that one degree of freedom is deducted for each parameter estimated.

4 0
4 years ago
15 Points and ill mark brainliest!
natima [27]
Neat
of turf, 83.33333% of the 1050 were minor
so about 875 minor injuries in turf
and 10.857% of 1050 were substantial meaning about 114 substantial
leaving 63 severe field turf
 
meaning 938 minor in gras (totalminior-minorturf=grassminor)
so now we know that grassmionr=938 that that is 1
and hen that is 77.972 gras is mionr so 938=77.972%
1203 total gras
then 4.26 of gras is severe or about 51
and leaving about 217 substantial gras injuries
total them yourself
I have to go sorry bye hope this helped
7 0
3 years ago
The volume of most drink containers in the United States is measured in fluid ounces. There
attashe74 [19]

Answer:

68 ounces

Step-by-step explanation:

Most drink containers in the United States are usually known as 2 Litres bottle.

Now, let's convert this 2 litres to cubic centimeters.

1 litre is equal to 1000 cm³

So, 2 Litres = 2000 cm³

Since there are 29.6 cm³ per fluid ounce, thus amount of ounces held by the typical cup in america = 2000/29.6 = 67.57 ounces ≈ 68 ounces

3 0
3 years ago
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