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user100 [1]
4 years ago
10

GREG PLANS TO BUY A BOOK FOR $5.00 AND SOME CDS FOE $4.OOEAC.THE GREATEST TATAL AMOUNT OF MONEY THAT GREG PLANS TO SPEND ON BUYI

NG THE BOOK AND MUSIC CDS IS $29.00.WHAT IS THE NUMBER OF MUSIC CDS X THAT GREG CAN BUY
Mathematics
2 answers:
kolezko [41]4 years ago
8 0
He could buy 6 CD of the book I hope I helped
Sedaia [141]4 years ago
5 0
$29 - $5 = $24
24 ÷ 4.00 = 6
He can buy 6 CDs after buying the book
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Suppose the national mean annual salary for a school administrator is $91,000 a year. A school official took a sample of 25 scho
Gemiola [76]

Answer:

H0 : μ = 91000

H1 : μ ≠ 91000

Test statistic = - 2.594

Pvalue = 0.016

|Tcritical | = 2.064

Reject H0. We can conclude that the mean annual administrator salary in Ohio differs significantly from the national mean annual salary.

Reject H0. We can conclude that the mean annual administrator salary in Ohio differs significantly from the national mean annual salary.

Step-by-step explanation:

The hypothesis :

H0 : μ = 91000

H1 : μ ≠ 91000

From the data given :

77600 76000 90700 97200 90700

101800 78700 81300 84200 97600

77500 75700 89400 84300 78700

84600 87700 103400 83800 101300

94700 69200 95400 61500 68800

Using calculator :

Sample mean, xbar = 85272

Sample standard deviation, s = 11039.23

Sample size, n = 25

The test statistic :

(xbar - μ) ÷ (s/√(n))

(85272 - 91000) / (11039.23/√(25)

Test statistic = - 5728 / 2207.846

Test statistic = - 2.594

The Pvalue : df = n - 1 = 25 - 1 = 24

Pvalue(-2.594, 24) = 0.0159

Decision region :

Reject H0 ; If Pvalue < α ;

α = 0.05

Using the critical value :

Decision region :

Reject H0 ; If Test statistic > |Tcritical;

Tcritical value at df = 24 ; α = 0.05 ;

|Tcritical | = 2.064

Hence,

We Reject H0 ; Since, |Test statistic| > |Tcritical|and conclude that mean salary depends differs

3 0
3 years ago
Vernon has obtained a $105,000, 5/1 30-year ARM at 5%. During the first 3 years, he has an option of paying interest only. If he
Nina [5.8K]
The answer is $437.50. (APEX)
5 0
3 years ago
Read 2 more answers
Please help<br> I don't even understand the question, I need help ASAP!
Iteru [2.4K]

Answer:

i think it is

divide by 10

subtract 10

subtract 18

divide by 5

Step-by-step explanation:

6 0
4 years ago
Can someone answer the blank ones please!!!
Katyanochek1 [597]

The equation is 155p+225f=5050.

If p = 17, f = 13. This value is a reasonable value in this context.

If f = 28, p = -10. This value is not reasonable in this context.

Step-by-step explanation:

Step 1:

155p+225f=5050,

where p is the part-time memberships and f is the number of full-time memberships.

Kiri needs to make $5,050 a month from this rented space.

Each part-time membership costs $155 and each full-time membership costs $225.

Step 2:

We need to calculate the value of f when p = 17,

Substituting the value, p = 17 in the equation, we get;

125(17)+225f=5050, 225f=5050-125(17),

225f=2925, f = \frac{2925}{225}, f =13.

The value of f = 13 and p = 17. This is a reasonable value in this context.

Step 3:

We need to calculate the value of p when f = 28,

Substituting the value, f = 28 in the equation, we get;

125p+225(28)=5050, 125p=5050-225(28)

125p=-1250, p = \frac{-1250}{125}, p=-10.

The value of f = 28 and p = -10. This is not a reasonable value in this context. as the values of f and p cannot be negative for this given equation.

5 0
3 years ago
Blake is working to find the slope given 2 points.
adelina 88 [10]

Answer:

-1/2

Step-by-step explanation:

The slope is

7 0
3 years ago
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