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3 years ago

Fraction 5\6 x 3\10 what is the answer?

Mathematics

1 answer:

Katarina [22]3 years ago

5 0

15/60 *Simplified Answer: 1/4

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In the auditorium there are 27 red chairs and 63 blue chairs. what is the ratio of the number of red chairs to the number of blu

GuDViN [60]

27:63
divide both sides by 9
your answer is 3:7

3 0

4 years ago

Use Cramer’s Rule to solve system of equation.

alisha [4.7K]

$\left\{\begin{array}{ccc}5x+2y=4\\3x+4y+2z=6\\7x+3y+4z=29\end{array}\right\\\\A=\left[\begin{array}{ccc}5&2&0\\3&4&2\\7&3&4\end{array}\right]\\\\\det A=5\cdot4\cdot4+3\cdot3\cdot0+2\cdot2\cdot7-7\cdot4\cdot0-3\cdot2\cdot5-3\cdot2\cdot4=54\\W_x=\left[\begin{array}{ccc}4&2&0\\6&4&2\\29&3&4\end{array}\right]\\\det W_x=4\cdot4\cdot4+2\cdot2\cdot29+6\cdot3\cdot0-29\cdot4\cdot0-3\cdot2\cdot4-6\cdot2\cdot4=108$

$W_y=\left[\begin{array}{ccc}5&4&0\\3&6&2\\7&29&4\end{array}\right]\\\det W_y=5\cdot6\cdot4+3\cdot29\cdot0+4\cdot2\cdot7-7\cdot6\cdot0-29\cdot2\cdot5-3\cdot4\cdot4=-162\\W_z=\left[\begin{array}{ccc}5&2&4\\3&4&6\\7&3&29\end{array}\right]\\\det W_z=5\cdot4\cdot29+3\cdot3\cdot4+6\cdot2\cdot7-7\cdot4\cdot4-3\cdot6\cdot5-3\cdot2\cdot29=324\\\\x=\dfrac{\det W_x}{\det A}=\dfrac{108}{54}=2\\\\y=\dfrac{\det W_y}{\det A}=\dfrac{-62}{54}=-3\\\\z=\dfrac{\det W_z}{\det A}=\dfrac{324}{54}=6$

5 0

3 years ago

The ratio of pens to pencils in the box is 84 to 112. Which statement describes this relationship?

Oksi-84 [34.3K]

Answer:

For every 84 pens there are 112 pencils in the box.

Step-by-step explanation:

We are given the following information in the question.

We are given a ratio of pens to pencil is 84 to 112.

Ratio is a relationship between two numbers that helps us to know how first number is related to the second number.

This can be written as: 84 : 112

This can be read as: For every 84 pens there are 112 pencils in the box.

Simplifying the fraction we have:

$\displaystyle\frac{84}{112} = \frac{21}{28}$

This ration can be written as 21 : 28 which means for every 21 pens in a box there are 28 pencils in the box.

3 0

3 years ago

Read 2 more answers

Find the real zeros. X^4-11x^2+18=0

Anon25 [30]

Answer:

Step-by-step explanation:

5 0

4 years ago

8 15 27 blank 20 find the blank number

777dan777 [17]

Answer:

the blank number is 23

Step-by-step explanation:

8, 15, 27, x, 20

common ratio, r= T2÷ T1= T3÷ T2

= 15 ÷ 8 =27÷ 15

= 1.8 = 1.8

20 ÷ x = x ÷ 27

( cross multiply,)

x²= 540

x =√540

x = 23.24

x = 23

6 0

4 years ago