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vlabodo [156]
3 years ago
5

Mr. Kazadi said that in his 2nd-period class, 23 out of 25 students passed the test. What percent of the students passed the tes

t?
%
Mathematics
2 answers:
nasty-shy [4]3 years ago
8 0

\text{Hello there!}

To find a percentage, you will need to divide both numbers by each other. In this case, it would look similar to this:

\text{23 / 25 = ???}

Once you divide the two numbers, you should end up with a result of 0.92

Now, we are going to <u>move the decimal two spaces to the right</u> to end up with the result:

\text{092.}

Now, we are going to <u>remove the </u>0 as it is no longer required. Next, <u>add a percentage symbol to the last number</u>, and <u>remove the decimal from the number</u>.

Now, you should end up with something like this:

92\%

\fbox{So your final answer is going to be 92\%}

\rule{299}{1.5}

VikaD [51]3 years ago
7 0
The answer 92% of students passed the test.
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15m is what percent of 1.5km?
Papessa [141]
1.5km = 1500m
To find the percentage take 15 and divide it by 1500, then times by 100
15/1500 x 100 = 1%
3 0
3 years ago
Nora paid 36$ for 6 books. if each book cost the same amount, how much was each book?​
Fofino [41]

Answer:$6

Step-by-step explanation:Divide 36 by 6

6 0
3 years ago
Type the correct answer in each box. (____)
trapecia [35]

Answer:

1. -16; 2. +64; 3. 16

Step-by-step explanation:

The formula for the volume of a cylinder is

V = πr²x

Data:

r = (x - 8)   mm

V = 1024π mm³

Calculations:

1. Find the cubic equation  

V = πr²h

1024π = π(x - 8)² × x

Divide each side by π

1024 = x(x - 8)²  

1024 = x(x² - 16x  + 64)

1024 =    x³ - 16x² + 64x

x³ - 16x² + 64x - 1024 = 0

2. Solve the cubic equation

The general formula for a third-degree polynomial is

f(x) = ax³ + bx² + cx + d

Your polynomial is  

f(x) = x³ - 16x² + 64x - 1024

a = 1; d = -1024

According to the <em>rational roots theorem</em>, the possible roots are

factors of d/factors of a

Factors of d = ±1, ±2, ±4, ±8, ±16, ± 32, ± 64, ±128, ±256, ±512, ±1024

Factors of a = ±1

Potential roots are x = ±1, ±2, ±4, ±8, ±16, ± 32, ± 64, ±128, ±256, ±512, ±1024

That's a lot of possibilities to check by trial and error. I will just use the one that works.

Try x = 16 by synthetic division.

16|1  -16   64  -1024

  <u>|     16     0   1024 </u>

   1     0   64        0

So,

(x³ - 16x² + 64x - 1024)/(x – 16) = x² + 64

and

(x - 16)(x² + 64) = 0

x - 16 = 0        x² + 64 =    0

     x = 16       x²         = -64

                       x          =  ±8i

There is only one real root: x = 16 mm

6 0
3 years ago
I WILL GIVE BRAINLIEST<br> Who will get this question right
Ksju [112]
If 101 use 3/5 for his Artwork, then the space remaining for 102 is:

5/5 - 3/5 = 2/5 (since the whole wall represents 100% or 5/5 or 1)

6 0
3 years ago
A carton of 24 bottles of sports drink costs $16. How many bottles of sports drink can you get
MrRa [10]

Answer:

8

Step-by-step explanation:

24 bottles = 16 dollars!

? bottles = 12 dollars

Note:

In these type of Questions, find out  any dollars you could get with 1 bottle

or in simple terms, (first find the unit Rate)

<em>24/16 = 1.5</em>

1 bottle = 1.5 dollars

? bottles = 12 Dollars?

12/1.5

= 8

<h2>I hope that helps! </h2><h3>Have a wonderful day! </h3>
8 0
3 years ago
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