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DedPeter [7]
4 years ago
13

How to factor a trinomial x^2+11x+19

Mathematics
1 answer:
Tresset [83]4 years ago
4 0

Answer:

this trinomial is prime, and cannot be factored.

Step-by-step explanation:

when expanding the equation, you multiply the last term by the first term's coefficient, and then find two factors that multiply to that product, and sum to the middle coefficient.

1 * 19 = 19

there are no factors that will multiply to 19 and sum to 11. thus, this polynomial is prime.

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Jack's mother gave him 505050 chocolates to give to his friends at his birthday party. He gave 333 chocolates to each of his fri
matrenka [14]


Answer:

16

This seems to have been miswritten. So I went ahead and just put it as 50, 3 and 2   
Explanation:

Okay, so Jack started with 50 chocolates and ended with 2. 
The simple way to calculate it would be by realizing that Jack only distributed 48 chocolates. We can find how many times 3 fits into 48 by dividing 48÷3=16.

Using algebra, we substitute the value we want to find with x. Here what we want to find is the number of friends that were at Jack's party.

We know that he started with 50 chocolates, then distributed 3× the number of friends present (which is x). 
We write that down as 50−3x 
(It's minus because when chocolates are distributed, Jack is taking away from what he has.)

We know that after this, there were only 2 chocolates left, so it's 
50−3x=2

Then we proceed by moving all the numbers to the right until only x is left:

<span>−3x=2−50</span>
<span>−3x=−48</span>

<span>x=<span><span>−48</span><span>−3</span></span></span>

<span>x=16</span>

Conclusion: The number of people that attended the party was 16.

6 0
3 years ago
Read 2 more answers
grath has a summer job and earns 9. 32 per hour. one week, he works 16 3/4 hours. He deposits 150$ in a bank and decides to use
Phantasy [73]

Answer:

Garth has a summer job and earns 9. 32 per hour. one week, he works 16 3/4 hours. He deposits 150$ in a bank and decides to use the rest of the money to buy tickets. Each raffle tickets cost 0.50 How many raffle tickets can Garth buy?  

Explanation: 9.32 x 16 3/4 = 156.11 - 150 = 6.11 x .50 = 12.22

<h2><u>GARTH CAN BUY 12.22 RAFFLE TICKETS</u></h2><h2></h2>

8 0
3 years ago
Payton starts a lemonade stand for the summer. She thinks that she should be able to operate her business for 14 weeks. The tabl
kotykmax [81]

Answer:

Payton starts a lemonade stand for the summer. She thinks that she should be able to operate her business for 14 weeks. The table shows the

expenses and revenue after 1 week.

Item

Expenses Revenue

$5

Cups

Lemonade

$6

$7

Ice

Income

$45

Based on this, how much money will Payton make during the 14 weeks?

8 0
3 years ago
Can someone help me please
Arisa [49]

Answer:OK sure and hi my name is Chase!

so for this look for the number A and look at the bottom and side count how many squares up and sideways your number is. Hope this helps but i dont wanna give the answer because i want you to learn hope that makes sense and btw im in 5th grade and i did this last year!

Step-by-step explanation:

4 0
3 years ago
At a restaurant your family spends $45.00 on lunch. If they want to leave a 15%
Valentin [98]

Answer:

6.75

Step-by-step explanation:

hope it helps mark as brainliest

6 0
3 years ago
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