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Pachacha [2.7K]
3 years ago
10

Complete each blank to find an expression that is equal to 16%.

Mathematics
1 answer:
EleoNora [17]3 years ago
4 0
A) 16 per cent is 16 per hundred, so here the answer is 16!

b) 50 is half of a hundret: so it will be half of 16; 8 is the answer

c)

here i will write an equation:

\frac{1}{x}= \frac{16}{100}

we multiply both sides by x

= \frac{16x}{100}

and multiply by 100

100=16 x

and divide by 16

\frac{100}{16}= x

so \frac{100}{16}

is the answer (this is 6.25)

d) we can use the half of c) like we did in b using half of a:

the answer is 6.25=3.125
\frac{16x}{100}










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Cho surveyed a random sample of 60 students in the school's library about whether they read the newest magazine. Fifteen of the
Softa [21]

Answer:

90 students.

Step-by-step explanation:

Given that Cho surveyed a random sample of 60 students in the school's library, of which 15 said they read the newest magazine, and that a total of 360 students attend the library every day, to determine how many of the 360 students can have expect to read the newest magazine the following calculation should be performed:

60 = 100

15 = X

15 x 100/60 = X

1,500 / 60 = X

25 = X

Thus, 25 percent of the students in the sample read the newest magazine. Since 25% of 360 is 90 (360 x 0.25), that is the number of students he can expect to have read the magazine.

8 0
3 years ago
Tariq also designs hot tubs. The diameter of the hot tub is 3 meters. What is the area of the deck that surrounds the hot tub? I
lutik1710 [3]

Answer:

C. 17.9

Step-by-step explanation:

First you have to find the area of the circle, to then subtract it from the area of the square around it.

To get the area of the circle you must take the radius(half of the diameter) and square it. 3^2 is 9. Then you mutiply that by Pi( 3.14). Which is 7.07.

Next you have to subtract that from the area of the square deck.

25-7.07=17.9

6 0
3 years ago
Read 2 more answers
Find the sum of the first 100 terms in the series
iVinArrow [24]
Hello,

\dfrac{1}{n} - \dfrac{1}{n+1} = \dfrac{1}{n(n+1)} \\

 \dfrac{1}{1*2} = \dfrac{1}{1} - \dfrac{1}{2} \\

 \dfrac{1}{2*3} = \dfrac{1}{2} - \dfrac{1}{3} \\

 \dfrac{1}{3*4} = \dfrac{1}{3} - \frac{1}{4} \\

...\\
 \dfrac{1}{n*(n+1)} = \dfrac{1}{n} - \dfrac{1}{n+1} \\





Adding member by member, we have

\dfrac{1}{1*2} + \dfrac{1}{2*3} +\dfrac{1}{3*4} +...\dfrac{1}{n*(n+1)}=\\
 
\dfrac{1}{1}  - \dfrac{1}{n+1} \\

= \dfrac{n}{n+1} \\



if n=100 sum \boxed{= \dfrac{100}{101} }


3 0
3 years ago
Some one help me please!
Naya [18.7K]
What is the problem I can’t see it sorry
3 0
3 years ago
88.9 rounded to nearest whole number
vodomira [7]

Answer:

89

Step-by-step explanation:

anything .5 and up is rounded up

6 0
4 years ago
Read 2 more answers
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