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Anuta_ua [19.1K]
3 years ago
15

The sales tax in one state is 7% .Write a function rule for the total cost of an item with selling price x.Then find the total c

ost of a CD player with a selling price of $150.
A) f(x)= 0.07x;$10.50
B) f(x)= 1.07x; $160.50
C) f(x)= 7+x;$151.07
D) f(x)= x-7; $148.93

Mathematics
1 answer:
maw [93]3 years ago
8 0
A because all percentages has 0.00 and if u take that and times it by that number you will get the price that u want
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Quadrilateral MBPV is similar to quadrilateral GKDF. BP = 78 mm, KD = 30 mm , and FD = 45 mm. What is VP? Enter your answer in t
vlada-n [284]

Answer:

  VP = 117 mm

Step-by-step explanation:

Corresponding sides of similar quadrilaterals are proportional.

  VP/FD = BP/KD

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3 years ago
Anu
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Answer:

Circumference of Circle B=19.625cm

Step-by-step explanation:

The circumference formula is: 2pie(r) = pie(d)

We have diameter of the first circle which is 6. Now, because the diameter of second circle is 25% greater than this,

Hence, we add 25% in 6:

6+25/100 =6+0.25=6.25 cm

Therefore, we have diameter of 6.25 for circle B.

Now, we need to find the circumference of the Circle A.

circumference= pie(d) = pie(6)= 3.14times6= 18.84

Now use the proportional reasoning to find Circumference of Circle B:

circumference of Circle A/diameter Circle A = circumference of Circle B/diameter Circle B

18.84/6=circumference of Circle B/6.25

Cross multiply and divide:

(18.84times6.25)/6 = Circumference of Circle B

Solve:

Circumference of Circle B=19.625cm

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