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Rzqust [24]
3 years ago
12

Can I please get some help on these 2 problems? Thank you. pictures attached.

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0
My answer is the first one

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tekilochka [14]
Hopefully this helps!

5 0
2 years ago
Standardized tests: In a particular year, the mean score on the ACT test was and the standard deviation was . The mean score on
Scorpion4ik [409]

Complete question :

Standardized tests: In a particular year, the mean score on the ACT test was 19.3 and the standard deviation was 5.3. The mean score on the SAT mathematics test was 532 and the standard deviation was 128. The distributions of both scores were approximately bell-shaped. Round the answers to at least two decimal places. Part: 0/4 Part 1 of 4 (a) Find the z-score for an ACT score of 26. The Z-score for an ACT score of 26 is

Answer:

1.26

Step-by-step explanation:

Given that:

For ACT:

Mean score, m = 19.3

Standard deviation, s = 5.3

Zscore for ACT score of 26;

Using the Zscore formula :

(x - mean) / standard deviation

x = 26

Zscore :

(26 - 19.3) / 5.3

= 6.7 / 5.3

= 1.2641509

= 1.26

6 0
3 years ago
Half the sum of seven and w?
swat32

Answer:

3.5w

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The Gross National Product (GNP) is the value of all goods and services produced in an economy, plus the value of the goods and
LenKa [72]

The question supplied is incomplete. The complete question is shown below:

The Gross national product (GNP) is the value of all the goods and services produced in an economy, plus the value of goods and services imported, less the goods and services exported. During the period of 1994-2004, the GNP of Canada grew about 4.8% per year, measured in 2003 dollars. In 1994, the GNP was $5.9 billion. Assuming this rate continues, in what year with the GNP reach $10 billion?

Answer:

2006

Step-by-step explanation:

Every year, the new GNP will become (100 + 4.8)% of that of the previous year. That is 104.8%, and equivalent of 1.048.

Let P(y) be the GNP after a period of y years.  

After y years, the equation for calculating A(y) becomes

A(y)=5.9*(1.048)^y

Since A(y) = 10

10=5.9*(1.048)^y

10/5.9 =(1.048)^y

1.695=(1.048)^y

ln⁡(1.695) = ln⁡(1.048)^y

ln⁡(1.695) = y ln⁡1.048

y=ln⁡1.695/ln⁡1.048  

y=11.26 years

1994 + 12 = 2006

Canada’s GNP will reach $10 billion in the year 2006

8 0
3 years ago
Naomi’s allowance is $2.00 per week if she convinces her parents to double her allowance each week for two months what will her
den301095 [7]

Answer:

£4.00 per week

Step-by-step explanation:

5 0
3 years ago
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