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3 years ago

Convert the following percent into common fractions in simplest form:

Mathematics

1 answer:

Rom4ik [11]3 years ago

4 0

Answer:

Exact form:

16/3%

decimal form:

533.3

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After an importer paid 30% of the cost of an item in taxes and $65.00 for freight charges, the total bill was $520.00. The cost

Marianna [84]

Step-by-step explanation:

let the cost of the item be y

for taxes

30%of y

30/100×y=3y/10

=0.3y

freight charges =65

total =520

0.3y+65=520

0.3y=520-65

0.3y=455

y=455/0.3

y=$1516.7

y≈$1517

7 0

3 years ago

Explain how to find 40 x 50 using mental math

Blababa [14]

40 * 50= 2,000

Easy way to find this out!

4*5=20.

You take the 0 from 40 and the 0 from 50 and you have

20 +0 zeros.

2000 which is 2,000!

7 0

4 years ago

Read 2 more answers

Number between 49 and 95 that's a multiple of 5,6 and 10

fiasKO [112]

5,10,15,20,25,30,35,40,45,50,55,60
6,12,18,24,30,36,42,48,54,60
10,20,30,40,50,60
The answer is 60

8 0

3 years ago

Question is attached, ill mark brainliest

Alborosie

Answer:

w=7

Step-by-step explanation:

3w+4w=49

7w=49

w=49/7

w=7

4 0

3 years ago

Read 2 more answers

Determine the kinetic energy of a 100-kg roller coaster car that is moving with a speed of 20.0/ms.

rjkz [21]

Answer:

The kinetic energy is 20,000\ J

Step-by-step explanation:

The kinetic energy of a body is defined as:

$k = \frac{1}{2}ms ^ 2$

Where m is the mass of the roller coaster car

s is the speed and k is the kinetic energy

We know that $s = 20\ m/s$

$m = 100\ kg$

Then the kinetic energy of the roller coaster car is:

$k = \frac{1}{2}(100)(20) ^ 2\\\\k = 50(20) ^ 2\\\\k = 50 * 400\\\\k = 20,000\ J$

3 0

3 years ago