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2 years ago

6

If the sales tax rate is 7.25% in California, then how much tax should a merchant charge in San Francisco for the sale of a $15

scarf?

2 answers:

Semmy [17]2 years ago

7 0

$15 x .0725 = 1.0875 which we have to round to $1.09
Notice how I changed the 7.25% to a decimal .0725 by moving it back two places.

kiruha [24]2 years ago

6 0

Sales tax is:
$15* (7.25/100)= $1.09.

The sales tax is $1.09~

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For each of the following equations,give the centre and radius of the circle.

allsm [11]

Answer:

a) Center is (0,0) and radius r = 5

b) Center is (0,0) and radius r = 1

d) Center is (5,3) and radius r = 9

e Center is (-2,1) and radius r = 3

g) Center is (-1,-3) and radius r = 7

h) Center is (0,0) and radius r = 2.5

Step-by-step explanation:

<u><em>a)</em></u>

Given circle x² + y² = 25

The standard form of circle equation is

( x-h)² +(y-0)² = r²

Center is (0,0) and radius r = 5

b)

Given circle x² + y² = 1

The standard form of circle equation is

( x-h)² +(y-0)² = r²

Center is (0,0) and radius r = 1

d)

Given circle (x-5)² + (y-3)² = 81

The standard form of circle equation is

( x-h)² +(y-0)² = r²

(x-5)² + (y-3)² = 9²

Center is (5,3) and radius r = 9

e)

Given circle (x+2)² + (y+1)² = 9

The standard form of circle equation is

( x-h)² +(y-0)² = r²

(x+2)² + (y+1)² = 3²

Center is (-2,-1) and radius r = 3

g)

Given circle (x+1)² + (y+3)² = 49

The standard form of circle equation is

( x-h)² +(y-0)² = r²

(x+1)² + (y+3)² = 7²

Center is (-1,-3) and radius r = 7

h)

Given circle x² + y² = 6.25

The standard form of circle equation is

( x-h)² +(y-0)² = r²

Given circle x² + y² = (2.5)²

Center is (0,0) and radius r = 2.5

5 0

3 years ago

In a village the number of houses and the number of flats are in the ration9:5 the number of flats and the number pf bungalows a

Dmitry_Shevchenko [17]

Answer: 180 houses

Step-by-step explanation:

From the question, we are informed that in a village the number of houses and the number of flats are in the ratio 9:5 while the number of flats and the number of bungalows are in the ratio 10:3 and that there are 30 bungalows in the village.

Since the ratio of the number of flats and the number of bungalows are in the ratio 10:3 and there are 30 bungalows in the village, the number of flats will be:

= 10/3 × 30

= 10 × 10

= 100 flats

Since we are told that the ratio of the number of houses to the number of flats are in the ratio 9:5 and we've gotten the number of flats as 100, then the number of houses will be:

= 9/5 × 100

= 9 × 20

= 180 houses

6 0

2 years ago

Elden [556K]

Answer:

(x+1)^2+(y+1)^2=13

Step-by-step explanation:

Equation of a circle: (x – h)^2 + (y – k)^2 = r^2

center: (-1, -1)

radius: sqrt(6^2+4^2)/2=sqrt(52)/2=2sqrt(13)/2=sqrt(13)

Substitute those values in to get

(x+1)^2+(y+1)^2=13

7 0

3 years ago

The distance around the school track is 0.25 mile. It takes Maribeth 5.1 minutes to run 2 laps around the school track. At that

BabaBlast [244]

Answer:

10.2 minutes

Step-by-step explanation:

1 lap= 1/4 mile

2 laos= 1/2 mile

5.1 x 2= 10.2 minutes

7 0

2 years ago

jimmy is moving to a new apartment. he fills a box with 4 books, 5 DVDs, and 2 CD's. when he starts unpacking his new place he p

pav-90 [236]

Answer:

$\frac{2}{11}$

Step-by-step explanation:

First, find the probability of him pulling out a book.

There are 11 objects in total, and there are 4 books.

So, the probability of pulling out a book is $\frac{4}{11}$

Next, find the probability of him pulling out a DVD after.

Since a book was taken out, there are only 10 objects left. There are 5 DVDs.

So, the probability of pulling out a DVD is $\frac{5}{10}$ , or simplified to $\frac{1}{2}$

To find the probability that this happens in order, multiply the probabilities:

$\frac{4}{11}$ x $\frac{1}{2}$

= $\frac{2}{11}$

So, the probability is $\frac{2}{11}$

7 0

2 years ago