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prisoha [69]
3 years ago
11

Write the prime factorization of 1323 ​

Mathematics
1 answer:
natima [27]3 years ago
4 0

Answer:

3^3 times 7^2

Step-by-step explanation:

You might be interested in
Which value of b would make 16x²-bx + 25 a perfect square trinomial?
blondinia [14]

Answer:

b = 40 and -40

Step-by-step explanation:

General form of Perfect square trinomial is a 2 + 2 a b + b 2

Therefore from 16 x 2 − b x + 25 a 2 = √ 16 x 2 , b 2 = 25 , then a = ± 4 x , b = ± 5 take consideration a=4x and b=-5 (different sign), then − b x = 2 ( 4 x ) ( − 5 ) − b x = − 40 x b = 40

The perfect square is ( 4 x − 5 ) 2 = 16 x 2 − 40 x + 25 .

if we consider a=4x and b=5 (same sign), then − b x = 2 ( 4 x ) ( 5 ) − b x = 40 x b = − 40

The perfect square is ( 4 x + 5 ) 2 = 16 x 2 + 40 x + 25 .

The first solution ( 4 x − 5 ) 2 is the best solution after comparing the expression given.  I hope this helps, xx .

8 0
3 years ago
A waterwheel is being turned by a stream at a rate of 3 revolutions per minute. If the diameter of the wheel is 15 ft, then how
kodGreya [7K]

Answer:

0.7176 m/s m/s

Step-by-step explanation:

We are given;

Rate = 3 rev/min

Diameter: d = 15 ft

Now, we want to find how fast the stream is flowing which is the linear velocity.

Thus;

linear velocity = circumferential distance × number of revolutions

Now, circumferential distance = πd

Circumferential distance = 15π

Thus;

linear velocity = 15 × π × 3 = 45π ft/min

Converting to m/s gives;

Linear velocity = 45π/197 m/s

Linear velocity = 0.7176 m/s

3 0
3 years ago
Eighty-eight percent of all people who try to do this ratio and proportion
Inessa [10]

Answer: 61 people have worked on this worksheet so far.

Step-by-step explanation:

Given: 80% people try to do this ratio and proportion  worksheet find they need some help with the problems.

Let x be the total number of people worked on this worksheet so far.

People need some help with the problems. =80% of x = 0.80x

As per given,

0.80x=49

\Rightarrow x=61.25\approx61

Hence, 61 people have worked on this worksheet so far.

8 0
3 years ago
ATOR
katrin2010 [14]

Answer:

6 adults

Step-by-step explanation:

Let

x -----> the number of children

y ----> the number of adults

we know that

The ratio

\frac{x}{y}=\frac{20}{15}

so

using proportion

Find the value of y for x=(20-12)=8

\frac{20}{15}=\frac{8}{y}\\\\y=15*8/20\\\\y=6

therefore

6 adults

4 0
3 years ago
What value of x makes this proportion true?
Trava [24]
The answer is 5:) you first have to cross multiply then divide both sides from x
8 0
3 years ago
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