3 years ago

Consider the equation 3x² - 13x - 30 = 0 (a) Write the factored form of the trinomial

Mathematics

1 answer:

Katarina [22]3 years ago

3 0

Answer:

Step-by-step explanation:

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How do you solve 1/3x = 20 to find x

Alex

1/3x=20

1st step do the opposite of 1/3x to get it by itself. So you would do 1/3x *3/1 than you would do 3/1 *20. What you do to that side you do to the other.

2nd step 20*3=60

3rd You can check your answer by doing 1/3 *60=20

I plugged the answer in the variable to Check it

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3 years ago

Leona has 4 nickels, 6 pennies, 4 dimes, 2 quarters in a change purse. Leona lets her little sister Daisy pick a coin at random.

seropon [69]

There are 6 coins that are each worth more than 5 cents. In total, there are 16 coins. So, the probability is 5/16.

Good luck!

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4 years ago

Commemorative coins come in packs of 15,while coin holders come in packs of 25. What are the least numbers of packs you should b

kozerog [31]

The least common multiple of 25 and 15 is 75. You'd do _ x 25 = 75 and _ x 15 = 75. The answer would be 3 and 5, so 5 packs of coins and 3 packs of coin holders.

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3 years ago

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Find the slope (2,4),(-2,-1)

tangare [24]

Answer:

4/5

Step-by-step explanation:

x2-x1/y2-y1

-2-2=-4

-1-4=-5

-4/-5

Simplify

4/5

The slope is 4/5

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4 years ago

Three students are working to find the solution set of this system of equations: y = 3x + 10 2y = 6x – 4

ivanzaharov [21]

Answer:

Step-by-step explanation:

Since this is a system with two equations, we can easily use a graphing calculator to find the solution

The intersection between the graphs of the equations

y = 3x + 10

2y = 6x – 4 (if we divide by two)

y = 3x - 2

However, we can see that the graphs have the same slope m = 3

Since both equations are not equal, there is no solution for this system

Please see attached graph. The lines are parallel and they never touch each other.

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3 years ago

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