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Effectus [21]
3 years ago
10

I need a lot of help What is 89/2?

Mathematics
2 answers:
bekas [8.4K]3 years ago
7 0

Answer:

44.5

is the answer

Rzqust [24]3 years ago
6 0

Answer:

As a decimal 44.5 as a mixed number 44 1/2

Step-by-step explanation:

Plzzz mark me brainliest?

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Suppose that you are examining the difference in ages between brides and grooms. You are interested in conducting a significance
lesya [120]

Answer:

Parameter = 0.5

Null hypothesis : H0 : P0 = 0.5

Alternative hypothesis ; H0 : P0 > 0.5

Pvalue = 0.99966

Step-by-step explanation:

The parameter defines a statistical value or calculation which is derived from the population.

The parameter in this scenario is the population proportion, P0 which is 0.5

The scenario above describes a scenario to test the difference in population.

The null hypothesis, that bride and groom are of the same age ;

H0 : P0 = 0.5

The alternative hypothesis ; the bride is younger Than the groom in more than half of the population.

H1 : p0 > 0.5

To obtain the Pvalue :

Test statistic : (phat - P0) ÷ √(p0(1 -p0) / n)

Phat = x/n

x = 67 ; sample size, n = 100

Phat = x / n = 67/100 = 0.67

P0 = 1 - 0.5 = 0.5

Tstatistic = (0.67-0.50) ÷ √(0.5(0.5) / 100)

Tstatiatic = 0.17 ÷ 0.05

Tstatistic = 3.4

P-value : p(Z < 3.4) = 0.99966 (Z probability calculator).

5 0
3 years ago
Evaluate the expression for the given value of the variables.
zzz [600]
For every c substitute 4 and for every d substitute -2

c=4
d=-2

6c + 5d - 4c - 3d + 3c - 6d

= 6(4)+ 5(-2)- 4(4)- 3(-2)+ 3(4)- 6(-2)

=24+(-10)-16-(-6)+12-(-12)

=24-10-16+6+12+12

=28
7 0
3 years ago
there are 30 businesses with 4 executive s each fornthe new office building each. business needs one office for each of its exec
Bumek [7]

the ratio between executives to offices is 4:1440.

I hope this helps and I hope this is the answer you need.

7 0
4 years ago
Read 2 more answers
Find x (x+13)(x-7)=0
alex41 [277]

So for this, we will be applying the <u>zero product property</u>, which is <u>"if a x b = 0, then either a = 0 or b = 0 or both a and b = 0"</u>. In this case, a = x + 13 and b = x - 7. Solve them separately:

x+13=0\\ x=-13\\ \\ x-7=0\\ x=7

<u>Your answer is x = -13 and 7.</u>

7 0
3 years ago
Evaluate 3x + 1/3 if x =1/4? simplify if possible​
Leni [432]

Answer:

3 x 1/4 + 1/3 = 1   1/12.

Step-by-step explanation:

1   1/12

OR

13/12

4 0
3 years ago
Read 2 more answers
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