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Nutka1998 [239]
3 years ago
10

Sergio claims that 20/20 equals 1% . Which statement is true regarding his claim? A .Sergio is correct because 20/20 equals 1% B

. Sergio is correct because 20 out of 20 represents 1 whole. C. Sergio is incorrect because 20/20 equals 100/100 D.Sergio is incorrect because the ratio simplifies to 0.
Pick one from A, B , C and D
Mathematics
2 answers:
Trava [24]3 years ago
8 0
Sergio is wrong.

20 is a whole number. 

When it is divided by 20, 20/20 = 1.

1 as a percentage = 100% (as it is a whole number, not a fraction).


Answer: <span>C. Sergio is incorrect because 20/20 equals 100/100.

hope this helps</span>
user100 [1]3 years ago
6 0

Answer:

c

Step-by-step explanation:

20/20 = 100/100

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There are 10 cards that are shuffled and one is chosen at random.
labwork [276]

Answer:

A∪B = { 10, 11, 12, 13, 14, 17, 19}

Step-by-step explanation:

please kindly see the attached file for more explanation

5 0
3 years ago
To save for the purchase of a new car, a deposit was made into an account that earns 8% annual simple interest. Another deposit,
Black_prince [1.1K]

The amount deposited in CD is $660

<h3><u>Solution:</u></h3>

Given that , To save for the purchase of a new car, a deposit was made into an account that earns 8% annual simple interest.  

Let the amount deposited in new car be $ n

Another deposit, $1700 less than the first deposit, was placed in a certificate of deposit (CD) earning 12% annual simple interest.  

Then, amount deposited in CD will be $ (n – 1700)

The total interest earned on both accounts for 1 year was $676

<em><u>The simple interest is given as:</u></em>

\text { Simple interest }=\frac{\text { principal } \times \text {rate} \times \text {time}}{100}

<em><u>Simple interest for purchase of new car:</u></em>

\text { S. } \mathrm{I}=\frac{n \times 8 \times 1}{100}=\frac{8 n}{100}

<em><u>Simple interest for CD:</u></em>

\text { S.I } =\frac{(n-1700) \times 12 \times 1}{100}=\frac{12(n-1700)}{100}

Now, given that S.I for new car + S.I for CD = 676

\begin{array}{l}{\frac{8 n}{100}+\frac{12(n-1700)}{100}=676} \\\\ {\frac{8 n+12 n-12 \times 1700}{100}=676}\end{array}

20n = 67600 – 20400

n = 2360

So money deposited in CD = n - 1700 = 2360 – 1700 = 660

Hence, the CD deposit amount is $660

5 0
3 years ago
Giselle works as a carpenter and as a blacksmith. She earns $20\$20 $20 dollar sign, 20 per hour as a carpenter and $25\$25 $25
malfutka [58]
C = # of carpenter hrs , b = # of blacksmith hrs

c + b = 30...c = 30 - b
20c + 25b = 690

20(30 - b) + 25b = 690
600 - 20b + 25b = 690
-20b + 25b = 690 - 600
5b = 90
b = 90/5
b = 18 <== hrs worked as blacksmith

c + b = 30
c + 18 = 30
c = 30 - 18
c = 12 <== hrs worked as carpenter
7 0
4 years ago
Please can any. One help me on this
konstantin123 [22]

Answer:

C is your answer

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
The diagram shows two shapes A and B. Prove that both of them have equal perimeter.​
Hatshy [7]

Answer:

see explanation

Step-by-step explanation:

Calculate the perimeters by summing the measures of the sides.

Left figure ( starting with base and summing clockwise )

x + 5 + (x - 6) + (y - 5) + 6 + y ( brackets are the measure of the indents )

= x + 5 + x - 6 + y - 5 + 6 + y

= 2x + 2y

Right figure ( starting with base and summing clockwise )

x + 2 + (x - 3) + (y - 2) + 3 + y

= x + 2 + x - 3 + y - 2 + 3 + y

= 2x + 2y

Both figures have perimeters of 2x + 2y cm

4 0
3 years ago
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