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gregori [183]
3 years ago
12

Clair went shopping for school clothes.If the items cost $150 and he receives a 10% discount,what is the final price of this pur

chase?
Mathematics
1 answer:
Illusion [34]3 years ago
6 0
The final price is $135 , because
.10 × 150 = 15
150 - 15 = 135
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Sales tax is 7% what is the amount of sales tax you would pay this bill​
AleksAgata [21]

% means per 100

so when figuring out percents it's good to use 100

so

on $100 7% would mean $7

on $50 7% would mean $3.5

in $200 7% would mean $14

6 0
2 years ago
Andy's soccer team scored 5 goals in each of 7 games and 6 goals in another game.How many goals did Andy's team score?Write an e
rosijanka [135]

Answer:

Step-by-step explanation: 41

8 0
3 years ago
A car has mass 1500 kg and is traveling at a speed of 35 miles/hour. what is its kinetic energy in joules? (Be sure to convert m
photoshop1234 [79]

Answer:

Factor by which kinetic energy increase = 4 times

Step-by-step explanation:

Given,

  • Mass of the car, v1 = 1500 kg
  • initial speed of car = 35 miles/h

                               =\dfrac{35\times 1609.34}{3600}\ m/s

                               = 15.64 m/s

Initial kinetic energy of the car is given by,

k_1\ =\ \dfrac{1}{2}.m.v_1^2

       =\ \dfrac{1}{2}\times 1500\times (15.64)^2\ joule

       = 183606.46 J

  • Final velocity of car v2 = 70 miles/hour

                                      =\dfrac{70\times 1609.34}{3600}

                                      = 31.29 m/s

So, final kinetic energy of car is given by

k_2\ =\ \dfrac{1}{2}.m.v_2^2

        =\ \dfrac{1}{2}\times 1500\times (31.29)^2

        = 734425.84 J

Now, the ratio of final to initial kinetic energy can be given by,

\dfrac{k_2}{k_1}=\ \dfrac{734425.84}{183606.46}

=>\ k_2\ =\ 4k_1                      

Hence, the kinetic energy will increase by 4 times.

7 0
3 years ago
Denzel has 3 2/5 boxes of party favors. One full box contains 15 bags of favors and each bag has 3 favors in it. Which expressio
Artist 52 [7]

Boxes = 3_2/5

15 = total number of bags of favors

Each bag has 3 items inside

3 × 15 = 45

Total number of items = number of boxes plus (15 × 3).

So, choice A is the answer.

5 0
3 years ago
Find the surface area of a cylinder with a diameter of 18 and a height of 32. Use 3.14 for π. Round your answer to the nearest t
Ksenya-84 [330]

Answer: a = 2,315.5

Step-by-step explanation:

a = 2πrh+2πr²

a = 2π(9)(32) + 2π9²

a = 2π x 288 + 2π x 81

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a = 2,315.5

(pls mark me the brainliest)

(theres a button that says "mark brainliest" on my answer)

7 0
3 years ago
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