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3 years ago

There are 5 red marbles and 9 blue marbles in the bag find the ratio

Mathematics

2 answers:

Alexandra [31]3 years ago

6 0

Answer:

5:9

Step-by-step explanation:

Svet_ta [14]3 years ago

6 0

Answer:

5:9

Step-by-step explanation:

The ratio is comparing the amounts of marbles together.

There are 5 red marbles and 9 blue marbles.

That means 5 compared to 9 in a ratio is 5:9.

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3 years ago

Max has more than 5 carrots( number of carrots Max has=c)

Marianna [84]

Answer:

"More than" is the same as "greater than". The symbol for greater than is >

The inequality should be: c > 5

Step-by-step explanation:

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3 years ago

I need help on this!!!

umka2103 [35]

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3 years ago

Read 2 more answers

(1 point) Linear System - Three Variables Solve the following system of equations using Gaussian elimination method. If there ar

EastWind [94]

Answer:

$x=\frac{-363}{70}$ ≈ -5.1857

$y=\frac{-192}{35}$ ≈ -5.4857

$z=\frac{313}{84}$ ≈ 3.7262

Step-by-step explanation:

Rewrite the equation system as:

$6x+8y=-75$

$-3x+6y+6z=5$

$2x-9y=39$

Now, write the system in its augmented matrix form:

$\left[\begin{array}{cccc}6&8&0&-75\\-3&6&6&5\\2&-9&0&39\end{array}\right]$

applying row reduction process to its associated augmented matrix:

Swap R1 and R3, and then Swap R1 and R2:

$\left[\begin{array}{cccc}-3&6&6&5\\2&-9&0&39\\6&8&0&-75\end{array}\right]$

R3+2R1

$\left[\begin{array}{cccc}-3&6&6&5\\2&-9&0&39\\0&20&12&-65\end{array}\right]$

3R2+2R1

$\left[\begin{array}{cccc}-3&6&6&5\\0&-15&12&127\\0&20&12&-65\end{array}\right]$

15R3+20R2

$\left[\begin{array}{cccc}-3&6&6&5\\0&-15&12&127\\0&0&420&1565\end{array}\right]$

Now we have a simplified system:

$-3x+6y+6z=5\\0-15y+12z=127\\0+0+420z=1565$

$-3x+6y+6z=5\hspace{5 mm}(1)\\0-15y+12z=127\hspace{3 mm}(2)\\0+0+420z=1565\hspace{3 mm}(3)$

From (3):

$z=\frac{313}{84}$ (4)

Replacing (4) in (2)

$y=\frac{-192}{35}$ (5)

Finally replacing (5) and (4) in (1)

$x=\frac{-363}{70}$

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3 years ago

What statement is true about angles 1 and 2?

Kruka [31]

Answer:

they are adjacent angles

Step-by-step explanation:

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3 years ago