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Ronch [10]
3 years ago
9

You go to the electronics store to buy 3 CDs. Each CD’s original cost is $9.99. You have a coupon for 10% off and the sales tax

is 6%. What is your total purchase cost?
Mathematics
2 answers:
olga_2 [115]3 years ago
7 0

Answer:

The answer is: 28.59

Solution:

Total cost before tax and discount:

9.99 x 3 = 29.97

total discount: 

29.97 x 0.10 = 2.997

total cost - discount:

29.97-2.997=26.973

Tax:

26.973 X 0.06 =1.61838

Total cost plus tax:

26.973 + 1.61838 =28.59138 round to only 2 decimals: 28.59

Step-by-step explanation:

serg [7]3 years ago
5 0
9.99x3x(1+6%)=$28.5913
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A coin is flipped three times. How does P(H, H, H) compare to P(H, T, H)?
Gekata [30.6K]
P(H,H,H)=P(H,T,H)

This is classical probability, so the probability of an event is the number of "favorable" events over total events.

The total number of events, by the counting principle, is 2^3=8.
The total number of events remains the same for P(H,H,H) and P(H,T,H), as you're still flipping 3 coins with two sides.

For P(H,H,H) the favorable event is (H,H,H) so 1, for P(H,T,H) the favorable event is (H,T,H) also one.

Conclusion:

P(H,H,H)=P(H,T,H)=1/8
3 0
4 years ago
What is the nth term of a geometric sequence that has a common ratio of 6 and 24 as the third term
Ivanshal [37]
The common ratio r is 6, while the third term (ar²) is 24.
Nth  term in a GP is given by the formula ar^n-1, thus the third term is ar²
ar²= 24
thus, a × 36 = 24
         a =24/36
The ninth term is given by ar^8
= (24/36)× 6^8
= 1119744. 
4 0
3 years ago
A rectangle has a height of 4 and a length of 3. What is the area of a scaled copy of this shape, if the scale factor is 2
Juliette [100K]

Answer:

48 units²

Explanation:

4(2)*3(2)

8*6

48

4 0
3 years ago
Find the intercepts of the line that<br> contains the points A(4, 2) and B(−2, 5).
Sliva [168]

Answer:

Y-intercept: (0,4)

X-intercept: (8,0)

Step-by-step explanation:

equation of the line:

(4,2) (-2,5)

5-2/-2-4

3/-6

-1/2

m = -1/2

point slope form:

y-2=-1/2(x-4)

simplify:

y-2=-1/2x+2

y=-1/2x+4

Y-intercept: (0,4)

X-intercept: (8,0)

7 0
4 years ago
Issouf claims that the scale factor is 1/2. which statement about his claim is correct?
love history [14]

Answer:

The correct option is D.

Step-by-step explanation:

It is given that Issouf claims that the scale factor is 1/2.

From the given figure it is clear that

CB'=C'B'=2

B'B=6

CB=CB'+B'B=2+4=6

The scale factor of a figure is

k=\frac{\text{Length of any side of image}}{\text{Length of corresponding side of preimage}}

k=\frac{C'B'}{CB}

k=\frac{2}{6}

k=\frac{1}{3}

The scale factor is 1/3 because CB is actually 2 + 4 = 6.

Therefore the correct option is D.

4 0
3 years ago
Read 2 more answers
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