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Alexus [3.1K]
3 years ago
5

Express the solution set of the equation in set notation. x - 2 = 10

Mathematics
1 answer:
strojnjashka [21]3 years ago
4 0

Answer:

the only possible answer would be 12

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When you divide a whole number by a whole number( other then one), the quotient is a smaller number?
Ostrovityanka [42]
Yes because division always makes numbers smaller. For example: 12 divided by 4 equals 3.
8 0
3 years ago
Estimate. Round to the greatest place value. Circle whether the estimate is greater then or less then the actual product.
nataly862011 [7]

Answer:

The estimate is greater then.

Step-by-step explanation:

143*2=286

286*2=572 not 6,517

4 0
2 years ago
A health psychologist knew that corporate executives in general have an average score of 2.55 with a standard deviation of 0.5 o
Mumz [18]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Population mean (μ) = 2.55

Population standard deviation (σ) = 0.5

Sample size (n) = 30

Sample mean (x) = 2.76

α = 0.05

STEP 1:

Stress score in general executive (s1)

Stress score in exercising executive (s2)

Null : s1 = s2

Alternative : s1 < s2

STEP 2:

Shape of distribution = normal

Population mean (μ) = 2.55

Population standard deviation (σ) = 0.5

Sample size (n) = 30

Sample mean (x) = 2.76

α = 0.05

Decision rule :

α = 0.05 which corresponds to a t score (t0) ;

df = n - 1 = 30 - 1= 30 at 0.05 = 1.699

If :

(Test statistic (t) > t0) ; reject the Null

(right tailed test)

Test statistic (t) :

(x - μ) / (σ/√n)

(2.76 - 2.55) / (0.5/√30)

0.21 / 0.0913

= 2.30

t > t0

2.30 > 1.699

t is more extreme than t0

Hence, reject the null at α = 0.05

7 0
3 years ago
Can someone please help with the answer!!! Thank you :)
Lelechka [254]

Answer:

This sequence is a geometric sequence.

The common ratio of the sequence is

3/9 = 1/3

Hope this helps

4 0
3 years ago
The sas relationship is a way to show that triangles are congruent. sets of triangle parts are listed. which set gives parts tha
Anton [14]
Where is the list of triangle parts? I can help you if I see it
3 0
3 years ago
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