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2 years ago

(50 POINTS AND BRAINLIEST FOR BEST)

Mathematics

2 answers:

morpeh [17]2 years ago

6 0

Answer:

RI - 79%

Ohio - 75.5%

Colorado 2.86%

plz brainly me :) !

Step-by-step explanation:

Inessa [10]2 years ago

4 0

Colorado:

Subtract the total price from the list price to find the amount of tax, divide the amount of tax by list rice:

3.60 - 3.50 = 0.10

0.10 / 3.50 = 0.29

9.00 - 8.75 = 0.25

0.25/8.75 = 0.29

11.31 - 10.99 = 0.32

0.32/10.99 = 0.29

Tax rate = 0.29 * 100 = 2.9%

Ohio:

The tax rate would be added to one and multiplied by the sale price for the total price ( sale price plus tax.

In the equation given the sale price is multiplied by 1.055, subtracting 1 yoy get 0.55, multiply by 100: 0.55 * 100 = 5.5% sales tax.

Rhode Island:

x is list price y is total price. Use the same steps as Colorado:

10.70 - 10 = 0.70

0.70 / 10 = 0.07

64.20 - 60 = 4.20

4.20 / 60 = 0.07

0.07 * 100 = 7%

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3 years ago

I walk each day to school. By what percentage would I need to increase my usual average speed in order for the journey to take 2

lesya692 [45]

Answer:

25%

Step-by-step explanation:

Let v, t be the current average speed and the time taken to reach the school respectively.

As distance = speed x time, so,

distance, d=vt...(i)

Let V be the new average speed in order to to take 20% less time than t.

So, time taken with speed V = t-20% of t = t- 0.2t= 0.8t

As distance is constant, so

d= V(0.8t)= 0.8Vt

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0.8Vt = vt

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Therefore, the percentage increase in the average speed = $\frac{V-v}{v}\times 100$

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2 years ago

Parker wants to ride his bicycle 34 miles this week. He has already ridden 10 miles. If he rides for 5 more days, how many miles

vazorg [7]

Answer: He rode 4.8 miles each day.

Variable: x = Constant distance distance traveledd each day.

Equation : 10+5x=34

Step-by-step explanation:

Total distance needs to travel = 34 miles

Distance already traveled = 10 miles

He will ride bicycle for 5 more days.

Let x = Constant distance distance traveledd each day.

Total distance = 10+5x

i.e.

$10+5x=34\\\\\Rightarrow\ 5x=24\\\\\Rightarrow\ x=4.8$

Hence, he rode 4.8 miles each day.

7 0

2 years ago