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cestrela7 [59]
2 years ago
11

Kelly buys shoes with all her money. She only has $150. One pair of shoes is $40. The other 2 pairs are for her sisters they are

each the same price. Determine the price of each shoe
Mathematics
2 answers:
Leya [2.2K]2 years ago
8 0

Answer:

Each of the pair of shoes for her sisters are $55

Step-by-step explanation:

150 = 40 + 2x

110 = 2x

55 = x

irina1246 [14]2 years ago
3 0

Answer:

$55

Step-by-step explanation:

its $150 - $40 = $110

$110 / 2 = $55

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bezimeni [28]

Answer:

Options (1), (3), (5) and (6)

Step-by-step explanation:

Option (1)

Both the circles M and H are same in shape. Therefore, both are similar.

True

Option (2)

MH = MS = [Radii of a circle]

MH = MO + OH

MH = ME + OH [Since, MO = ME]

MH = 10 + 25 = 35 cm

Area of circle M = πr²

                          = π(35)²

                          = 1225π

Area of circle H = π(25)²

                           = 625π

\frac{\text{Area of M}}{\text{Area of H}}=\frac{1225\pi }{625\pi }

Area of M = 1.96(Area of H)

False

Option 3

OH + MS = 25 + 35

               = 60 cm

True

Option 4

m∠HMS = 90°

Can't be figured out with the given informations

False

Option 5

Diameter of circle H = 2(radius)

                                 = 2(25)

                                 = 50 cm

True

Option 6

Circumference of circle S = 2πr

                                           = 2π(ES)

Circumference of circle M = 2π(MS)

Ratio of the circumference of circle S and M = \frac{2\pi (ES)}{2\pi (MS)}

                                                                          = \frac{ES}{MS}

True.

Options (1), (3), (5) and (6) are correct.                    

3 0
3 years ago
You wish to find a 95% confidence interval for the mean number of times men change channels with a remote control during a comme
gogolik [260]
For margin of error to be a maximum of 3:
3 = z*(SD / sqrt(n)), where z is the z-score, SD is the standard deviation and n is the sample size.
z = 1.96 for a 95% confidence interval, and we are given SD = 15.
3 = 1.96*15/sqrt(n)
sqrt(n) = 9.8
n = 96.04 ~ 96 commercials.

4 0
3 years ago
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Dmitry_Shevchenko [17]
C) 130 i hope this helps good luck 
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The diameter of a circle is 4 kilometers. What is the circle's circumference?
scZoUnD [109]

Answer:

12.57 km

Step-by-step explanation:

Radius = 4 / 2 = 2 km

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6 0
2 years ago
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Answer:

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Step-by-step explanation:

You get 10 bagels for $11 at Bobs, while you can get 12 bagels for less ($9).

4 0
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