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stiv31 [10]
3 years ago
9

Kim bought a lawn chair that had a ticket price of $25.00. She ended up paying $26.50 after tax. If she were to buy a $40.00 pat

io table, how much would she have to pay after tax?
Mathematics
1 answer:
julsineya [31]3 years ago
8 0

Answer:

41.50

Step-by-step explanation:

you would have to minus the 26.50 and 25.00 and then you would get 1.5 so that's how much the tax is. you would still keep the zero tho bc if there is nothing after the 5 u add zero.

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A national grocer’s magazine reports the typical shopper spends 11.5 minutes in line waiting to check out. A sample of 19 shoppe
bixtya [17]

Answer:

There is no significant evidence to support that waiting time is less than the mean reported.

Step-by-step explanation:

Given that :

Sample mean, x = 10.7

Standard deviation, s = 3.1

Sample, size , n = 19

H0: μ ≥ 11.5

H1: μ < 11.5

Using the t-test (sample size is small)

Test statistic :

(x - μ) / s/sqrt(n)

(10.7 - 11.5) / (3.1 / sqrt(19))

-0.8 / 0.7111887

= −1.124877

Tcritical = Tdf, 0.05

df = n - 1 ; T18,0.05/2 = - 2.101 (left tailed)

Decision region:

Reject H0 :

If Tstatistic < Tcritical

−1.124877 > - 2.101

Hence, We fail to reject H0

There is no significant evidence to support that waiting time is less than the mean reported.

8 0
3 years ago
iif $a$, $b$, $c$, and $d$ are replaced by four distinct digits from $1$ to $9$, inclusive, then what's the largest possible val
Zarrin [17]

If a, b ,c ,d are replaced by four distinct digits from 1 to 9 , inclusive, then the largest possible value of the difference of the decimals (a.b) and (c.d)[(a.b - c.d)] will be 8.6.

As per question statement, a, b ,c ,d are replaced by four distinct digits from 1 to 9 , inclusive.

We are required to calculate the largest possible value of the difference of the decimals (a.b) and (c.d).

Now, clearly, to obtain the largest difference between two decimals (a.b) and (c.d), (a.b) has to be the largest possible decimal within the given conditions and (c.d) has to be the least possible decimal.

Now, the largest decimal we can from using the numbers (1 to 9) is 9.8 and the smallest decimal we can from using the numbers (1 to 9) is 1.2.

That is, [(a.b) = (9.8)] and [(c.d) = (1.2)]

And, the difference of the Largest Decimal and the least decimal is bound to be the largest.

Therefore, (a.b - c.d)= (9.8 - 1.2) = 8.6.

  • Decimal: relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten, a decimal is a fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point.

To learn more about decimals, click on the link below.

brainly.com/question/11852700

#SPJ4

5 0
2 years ago
∠ABD is formed by a tangent and a secant intersecting outside of a circle. If minor arc AC = 72° and minor arc CD = 132°, what i
Liula [17]
A is correct:

m∠ABD=1/2(mCD-mAC)

m∠ABD=1/2(132-72)

m∠ABD=1/2(60)=30
3 0
3 years ago
Read 2 more answers
Solve the inequality
Nady [450]

Answer:

x >= -6

Step-by-step explanation:

Multiply:

(1/3)x + 1 >= (1/2)x + 1/2 - (-1/4)x

Combine like terms:

(1/3)x + 1 >= (1/4)x + 1/2

Move the x's on one side and the integers on another:

(1/3)x - (1/4)x >= 1/2 - 1

(1/12)x >= -1/2

x >= -6

I hope this helped! :D

5 0
3 years ago
2.
viva [34]

Please read "Step-by-step" if you're having trouble

Answer:

x²(1-\frac{1}{4}\pi)

Step-by-step explanation:

Each side of the cookie dough is x long, since there is no given number, the diameter of the plate is also x, its as long as the square is wide, making the radius 1/2x.

The area of the cookie dough is x², the area of the plate is 1/4\pix².

You have the equation x²- \frac{1}{4}\pix²the equation has a Greatest Common Factor of x² so your factored equation is x²(1-\frac{1}{4}\pi)

8 0
3 years ago
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