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Helen [10]
3 years ago
14

Write the trinomial as a square of a binomial or as an expression opposite to a square of a binomial: -25a^2-1+10a

Mathematics
2 answers:
garik1379 [7]3 years ago
5 0
56
.......................
Anna71 [15]3 years ago
4 0

Answer:

-(5a-1)^2

Step-by-step explanation:

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The answer would be 0.36

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4 years ago
Anyone know how to do this?
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K is equal to 56

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galina1969 [7]

Answer:

Well, these simulation are based on the statistics (lognormal-distributed PE, χ²-distributed s²). If you believe that only the ‘gold-standard’ of subject-simulations are valid, we can misuse the function sampleN.scABEL.sdsims() – only for the 3- and 4-period full replicates and the partial replicate:

# define a reg_const where all scaling conditions are ‘switched off’

abe    <- reg_const("USER", r_const = NA, CVswitch = Inf,

                   CVcap = Inf, pe_constr = FALSE)

CV     <- 0.4

 2x2x4  0.05  0.4  0.4   0.95    0.8   1.25          34       0.819161          0.8

Since the sample sizes obtained by all simulations match the exact method, we can be confident that it is correct. As usual with a higher number of simulations power gets closer to the exact value.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Martha made a mistake. In which step did Martha first make a mistake, and what is a correct expression for that step?
PtichkaEL [24]
We have  that
 f²{k^6/[k^4*k^3]}^-3

step 1
 f²{k^6/[k^(4+3)]}^-3---------> f²{k^6/[k^7]}^-3-------> step 1 is correct

step 2
 f²{k^6/[k^7]}^-3------>  f²{k^(6-7)]}^-3---->  f²{k^(-1)}^-3----> step 2 is correct

step 3
f²{k^(-1)}^-3------> f²{k^[(-1)*(-3)]}-----> f²{k^(3)}
therefore
Martha made a mistake in the step 3

the answer is
step 3
f²k³

3 0
3 years ago
Find the value of y .<br> 8/20 = y/60<br> y = ___.
Sergio039 [100]

Y=24 because 60/20 is 3. 3*8 is 24

7 0
4 years ago
Read 2 more answers
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