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Ainat [17]
2 years ago
14

Noah says to find 20% of a number he divides the number by 5. Is this true explain your answer

Mathematics
1 answer:
Nutka1998 [239]2 years ago
5 0

Answer:

yes

Step-by-step explanation:

note that 20% = \frac{20}{100} = \frac{1}{5}

Hence to find 20% of a number, dividing the number by 5 is correct

20% of £30 = \frac{30}{5} = £6


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wolverine [178]

They are variables. They stand in for different numbers in a problem. for example) a=12


7 0
2 years ago
What is the main difference between investing and saving?
SashulF [63]

Answer:

B.) Investing has the risk of losing principal, whereas saving does not.

Step-by-step explanation:

Saving can be accomplished a number of ways, including putting the money in a cookie jar (where it will not earn interest). Most savings institutions (banks, credit unions, and the like) are governed by rules that help to ensure the availability and safety of the balance. Often, such institutions are insured so that depositors are protected against loss of principal.

Many investment opportunities are governed by no such rules. The invested amount may be unavailable for perhaps a lengthy period of time, and any return on the investment may be dependent upon factors not under the control of the party accepting the money. There is the opportunity for complete loss of the invested amount, and the possibility of incurring additional liability in some cases.

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5 0
3 years ago
Which is more precise 5 kg or 5212 g
Dahasolnce [82]
5 kg is more precise because if you said 5212 g, they will be trying to see what the precise answer is so if you say 5 kg that will save all of the work. 

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4 0
2 years ago
Write at least 2 numerical expressions for each written phrase below. Then, solve.
zloy xaker [14]

Answer:

a. \frac{3}{5}(7)\text{ or }\frac{3\times 7}{5}

b. \frac{1}{6}(4\times 8)\text{ or }\frac{4\times 8}{6}

Step-by-step explanation:

In numerical expressions we write numbers with the mathematical symbols (  i.e. '+', '-' etc )

a. Given phrase,

Three fifths of seven,

\frac{3}{5}(7)

=\frac{3\times 7}{5}

=\frac{21}{5}

=4\frac{1}{5}

b. One sixth the product of four and eight,

\frac{1}{6}(4\times 8)

=\frac{4\times 8}{6}

=\frac{32}{6}

=5\frac{1}{3}

7 0
3 years ago
Leah's house has media room with a large flat screen tv. The media room tv has a width of 8 feet and a height of 4.5 feet. The f
neonofarm [45]
The ratio of the media room tv's width to height is 8ft to 4.5ft or 8/4.5

since the ratio of the living room tv's width to height is the same, the ratio would be
x/27 = 8/4.5
with x being the living room tv's width. Solve for x
x = (8/4.5)(27)
   = 48
The width of the living room tv is 48 inches
4 0
2 years ago
Read 2 more answers
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