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3 years ago

Match each percent expression to its simplified form.

Mathematics

2 answers:

antoniya [11.8K]3 years ago

7 0

Answer:

Step-by-step explanation:

a)11.25

b)68.6

c)27.9

d)43.56

yulyashka [42]3 years ago

4 0

Answer:

Step-by-step explanation:

1) 15% of 75 = (15/100) * 75 = 0.15*75 = 11.25

2) 7% of 980 = 0.07 * 980 = 68.6

3) 45%of 62 = 0.45 * 62 = 27.9

4) 22% of 198 = 0.22 * 198 = 43.56

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Which of the following are solutions to the equation below? (4x - 1)2 = 11

babunello [35]

(4x - 1)2 = 11
(4x - 1) = 22
4x - 1 = 22
4x = 23
x = 5.75

3 0

3 years ago

Stephen, Gavin and Jim share some sweets in the ratio 4:1:2. Stephen gets 30 more sweets than Jim. How many sweets are there alt

Kamila [148]

Answer:

105 sweets

Step-by-step explanation:

There are 4 + 1 + 2 = 7 parts in total

Stephen gets 4 parts (or 4x)

Jim gets gets 2 parts (or 2x)

Given,

Stephen gets 30 more than Jim, we can write:

Stephen = Jim + 30

4x = 2x + 30

We can solve for "x":

$4x = 2x + 30\\4x-2x=30\\2x=30\\x=15$

There are 7 parts of sweets altogether (or 7x), we know x so:

There are:

7 * 15 = <u>105 sweets</u> altogether

7 0

3 years ago

A car traveling at 22.4 m/s skids to a stop in 2.55 s. Determine the skidding distance of

Marta_Voda [28]

Answer:

57.12 m

Step-by-step explanation:

velocity= distance/time

distance= velocity×time

=22.4×2.55

=57.12 m

7 0

3 years ago

Difference between relative frequencies and percentages.

4vir4ik [10]

Answer:

is a measure of the number of times that an event occurs.

Step-by-step explanation:

A frequency count is a measure of the number of times that an event occurs. The above equation expresses relative frequency as a proportion. It is also often expressed as a percentage. Thus, a relative frequency of 0.50 is equivalent to a percentage of 50%.

3 0

4 years ago

Felix reported that the coldest day on record for his town was five times

ioda

Answer:

-20º C

Step-by-step explanation:

-4*5=-20

5 0

2 years ago