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iogann1982 [59]
3 years ago
11

Write the improper fraction as a mixed number in its simplest form. 32 — 22

Mathematics
2 answers:
Nastasia [14]3 years ago
5 0
32/22 is the improper fraction and it’s mixed number is 1 5/11 and it’s simplest form is 16/11
Lady_Fox [76]3 years ago
5 0

Answer: 1 5/11

Step-by-step explanation:

To make an improper fraction a mixed number, you basically divide the numerator by the denominator.

22 can only go into 32 once, leaving 10 left over. So, take the remaining ten, and keep the denominator, and there you have your mixed number.

\frac{32}{22}  =  1\frac{10}{22}

<em>BUT WAIT!!!</em>

That fraction's not simplified, is it? Let's see what we can do with it, then!

10/22 can be reduced by finding the GCF, or the greatest common factor. Common factors are numbers that both quantities can be divided by to get another whole number. <u>*(For example, the factors of 5 are 1 and 5. The factors of 10 are 1, 2 , 5, and 10. The common factors of 5 and 10 are 1 and 5. The greatest common factor, or GCF, of 5 and 10 is 5.)*</u>

In this case, the GCF of 10 and 22 is 2. So we reduce the fraction by 2, by dividing both the numerator <em>and </em>the denominator by their GCF to get:

\frac{10}{22}  /\frac{2}{2} =  \frac{5}{11}

And there you have it! Your answer is:

\frac{32}{22}  =  1\frac{5}{11}

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Find, correct to the nearest degree, the three angles of the triangle with the given vertices. A(1, 0, −1), B(4, −3, 0), C(1
zavuch27 [327]

Answer:

Angle at vertex  A : 59.2° B: 61.7° C : 59.1°

Step-by-step explanation:

1. First find the length of the vectors  

AB = B-A = (4-1, 3-0, 0-1) = (3, 3, -1)

AC = C-A = (1-1, 4-0, 3-1) = (0, 4, 2)

BC = C-B = (1-4, 4-3, 3-0) = (-3, 1, 3)

2. Find magnitude of the vectors

|AB| = √(3^2+3^2+〖(-1)〗^2 )=√19  

|AC| = √(0^2+4^2+2^2 )=2√5

|BC| = √(〖(-3)〗^2+1^2+3^2 )=√19

3. Find the angles between them

cos θ = (a.b)/(|a||b|) -----> θ = arc cos ((a.b)/(|a||b|))

AB, AC : θ =arc cos (AB.AC)/(|AB||AC|) = arc cos ( (3.0+3.4+ -1.2)/(√19  x 2√5)=  10/(2√95) ) =59.136, which is approximately 59.14°

AB, BC : θ =arc cos (AB.BC)/(|AB||BC|) = arc cos( (3.-3+3.1+ -1.3)/(√19  x √19)=  (-9)/19 ) = 118.27°

Because of the direction of BC is pointing relative to AB this is the angle outside the triangle, and we should find the supplementary angle.

180-118.27 = 61.73°

If we used –(BC) = CB in the formula (just negate the numerator) we would have gotten the correct angle on first try.

The 3rd angle should be what’s left after subtracting from 180°;

180-61.73-59.14 = 59.13 °

You can confirm using the formula again :

AC, BC : θ =arc cos (AC.BC)/(|AC||BC|) = arc cos( (0.-3+4.1+ 2.3)/(√19  x 2√5)=  10/(2√95) = 59.13°

Rounding everything up so they add up to 180 degrees we have Angle at vertex  A : 59.2° B: 61.7° C : 59.1°

7 0
3 years ago
Multiply or divide as indicated p^a*p^-3*p^2
Stella [2.4K]

Answer:

p^(a-1)

Step-by-step explanation:

The simplified expression can be seen in the picture attached below

As the factors have the same base, we just need to add or substract the exponents

p^(a-3+2) = p^(a-1)

8 0
3 years ago
Ater a blizzard the amount of snow on the ground melted by 3 inches one day and then another 8 inches the next day. Write an exp
Hoochie [10]

Answer:

11 inches

Step-by-step explanation:

Let the level of ground level be g

On first day, amount of snow melted by 3 inches

So, level of ground melted= (g- 3) inches

Next day, amount of snow melted by 8 inches

So, level of ground level melted = (g- 3-8 )inches

Hence, total change in the ground level = ( g- 11) inches

Hence, amount of snow on ground level melted by 11 inches

Hence, the correct answer is 11 inches

6 0
3 years ago
Is 2 greater or less than or equal to -5?
Marina CMI [18]
2 is greater then -5.


2 is a positive number unlike -5 it is a negative which is less then 2.
5 0
3 years ago
Read 2 more answers
Math math math!!!! :/
vekshin1

the answer is B your welcome

6 0
3 years ago
Read 2 more answers
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