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agasfer [191]
3 years ago
13

The sum of the roots of 5-2m-3m^2=0 is

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
4 0
There is your answer= 2√3x
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Trials in an experiment with a polygraph include 98 results that include 24 cases of wrong results and 74 cases of correct resul
Zina [86]
<span>Answer: Let P be the proportion of correct results of all polygraph results H0: P ≥ 0.80 Ha: P < 0.80 Estimated p = 74 / 98 = 0.7551 Variance of proportion = p*(1-p)/n = 0.8(0.2)/98 =0.0016327 S.D. of p is sqrt[0.001633] = 0.0404 z = ( 0.7551 - 0.8 ) / 0.0404 = -1.1112 P-value = P( z < -1.1112) = 0.1335 Since the p-value is greater than 0.05, we do not reject the null hypothesis. Based on the results there is no evidence that polygraph test results should be prohibited as evidence in trials.</span>
5 0
2 years ago
Simplify the following fraction by putting it in lowest terms or by performing the indicated operation.
netineya [11]
(2x-1)(2x-1)
(4x^2+2x+1)(2x-1)

(2x-1) cancels out so

2x-1
4^2+2x+1
8 0
2 years ago
X is greater than or equal to 11
goldenfox [79]

Answer: x ≥ 11

Step-by-step explanation: We wrote an inequality to represent this situation.

3 0
2 years ago
Need answer ASAP <br> *MARKING BRAINLIEST
NikAS [45]

Answer:

an = 4n +5

Step-by-step explanation:

First we need to find a common difference

d = a2-a1 = 13-9 = 4

The formula for an

an =a1+d(n-1)

an = 9 + 4(n-1)

Distributing

an = 9+4n-4

Combine like terms

an = 4n +5

8 0
3 years ago
A number divided by the sum of three and four
polet [3.4K]

Answer:

(3t + 4) / (4 - r)

Step-by-step explanation:

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3 years ago
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