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2 years ago

13

A TV has a listed price of $690.95 before tax. If the sales tax rate is 8.75%, find the total cost of the TV with sales tax incl

uded.

1 answer:

PSYCHO15rus [73]2 years ago

8 0

Answer:

699.7

Step-by-step explanation:

690.95 + 8.75 = 699.7

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The expression, involving exponents , to represent the shaded area, in square inches, diagram. Then use that expression to calcu

mart [117]

Answer:

The shaded area is $23\ in^{2}$

Step-by-step explanation:

we know that

The shaded area is equal to the area of the large square minus the area of the two smaller squares

so

$A=6^{2} -(3^{2} +2^{2})\\ \\ A=(2*3)^{2} -(3^{2} +2^{2})\\ \\A=(2^{2})(3^{2}) -(3^{2} +2^{2})$

Calculate the shaded area

Remember that

$3^{2}=9\\ 2^{2}=4$

substitute

$A=(4)(9) -(9 +4)\\ \\A=36-13\\ \\A=23\ in^{2}$

5 0

3 years ago

Line GJ is tangent to point A at point G.<br><br> If AG = 9 and GJ = 12, find AJ.

svlad2 [7]

Okay we know that tangent-chords creat 90 degree angles so what we have is a right triangle with a base of 9 and a height of 12, so do Pythoagoreas Theorem and we have 81+144=225 square root of 225 is 15 and that is AJ

8 0

3 years ago

Read 2 more answers

Find the probability that a point is chosen randomly inside the rectangle is in each given shape...

BaLLatris [955]

Answer:

<u>0.25</u>
<u>0.85</u>

Step-by-step explanation:

P (Triangle or Square) :

Area of Triangle + Area of Square / Area of Rectangle
1/2 x 3 x 4 (height is found by Pythagorean Theorem) + (3)² / 10 x 6
6 + 9 / 60
15/60
<u>0.25</u>

<u></u>

P (Not the square) :

Area of rectangle - Area of square / Area of rectangle
60 - 9 / 60
51/60
17/20
<u>0.85</u>

5 0

2 years ago

Your boss tells you that she knows the length of the widgets your company makes is normally distributed with a mean of 25 inches

sp2606 [1]

Answer:

Mean of sampling distribution = 25 inches

Standard deviation of sampling distribution = 4 inches

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 25 inches

Standard Deviation, σ = 12 inches

Sample size, n = 9

We are given that the distribution of length of the widgets is a bell shaped distribution that is a normal distribution.

a) Mean of the sampling distribution

The best approximator for the mean of the sampling distribution is the population mean itself.

Thus, we can write:

$\bar{x} = \mu = 25\text{ inches}$

b) Standard deviation of the sampling distribution

$s = \dfrac{\sigma}{\sqrt{n}} = \dfrac{12}{\sqrt{9}} = 4\text{ inches}$

8 0

3 years ago

Door is 77 inches high, 35.25 inches wide and 1,75 inches thick how much paint is needed

Leviafan [203]

If you wanted to paint the entire door (even the top and bottom which people don't usually paint)

the surface area is
SA=2(LW+LH+WH)
where L=length, W=width and H=height

given
L=35.25
W=1.75
H=77

SA=2(35.25*1.75+35.25*77+1.75*77)
SA=2(61.6875+2714.25+134.75)
SA=2(2910.6875)
SA=5821.375

you need enough paint to cover 5821.375 square inches of door

7 0

3 years ago