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klio [65]
3 years ago
8

Need this quickly!! im not good in math so .

Mathematics
2 answers:
goldenfox [79]3 years ago
6 0
Okininam to man agnanayon
oksano4ka [1.4K]3 years ago
5 0
In algebra, symbols are used to represent numbers. Example: 5x=20 or 4x=24
You might be interested in
When a virus is placed on a tobacco leaf, small lesions appear on the leaf. To compare the mean number of lesions produced by tw
Svetlanka [38]

Answer: a. 7

Step-by-step explanation: <u>Degrees</u> <u>of</u> <u>Freedom</u> is the number of values "allowed" to vary. For example:

In the experiment above, the sample has 8 tobacco leaves. Two strains will be applied to each leaf. The decision of which strain goes to the right or left is random. Each strain have 7 possible leaves it can be applied, because, for the last, the eight leaf, there is no choice.

Therefore, the degrees of freedom for this experiment is 7.

It can also be calculated as

df = n - 1

df = 8 - 1

df = 7

3 0
3 years ago
X over 5 is greater than 7
malfutka [58]

x > 35

35/5 = 7

Amswer : x >35

5 0
4 years ago
Heidi solved the equation
Liono4ka [1.6K]

Answer:

Correct.

Step-by-step explanation:

3 0
3 years ago
Isaac wants the equation below to have no solution when the missing number is placed in the box.
MatroZZZ [7]

Answer: 4

Step-by-step explanation: To have an equation with no solution you have to get something like 0=1 meaning you have to remove all the variables. In this equation you would distribute to get xy+2y+2x=2x+12+4x where y is the missing number. then combining like terms you get xy+2x+2y=6x+12. Subtracting 2x from both sides you get xy+2y=4x+12. Now to get the variables gone y has to be 4 so that the variables to cancel out. By plugging in 4 you can see this works; 4x+8=4x+12 and by subtracting 4x from both sides you get 8=12 which is not true meaning there is no solution.

8 0
3 years ago
Read 2 more answers
There're some old video games you sell on Ebay for $6, $7 and $9. The titles include " The Pirates", "Under the sea" and "The dr
Semenov [28]

Answer:

2/9

Step-by-step explanation:

lets create a sample space

so

the pirates can be sold for $7 $6 or $9

        p

6       7      9

under the sea can be sold for $6 $7 or $9

                              S

                        6,  7,  9

driving test can be sold for $6 $7 or $9

                            D

                   6, 7, 9

here are all the combinations:

p,6

p,7

p,9

s,6

s,7

s,9

d,6

d,7

d,9

since out of 9 combinations driving test is the only one that is not water related lets look at that. There are only 2 combinations of driving test which are less than or equal to $7, (d,7 and d,6) hence the probability of selling no water games for  less than $7 is 2/9

3 0
4 years ago
Read 2 more answers
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