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GREYUIT [131]
2 years ago
7

(2x-1)(3x+4) as a trinomial

Mathematics
1 answer:
mojhsa [17]2 years ago
8 0

Step-by-step explanation:

(2x - 1)(3x + 4)

= 6x² + 8x - 3x - 4

= 6x² + 5x - 4.

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8, 2, 0, 2, 8, 18<br> What are the next three numbers in the sequence?<br> What is the pattern?
Tom [10]

Answer:

22,40,62

Step-by-step explanation:

0+2=2  2+6=8 8+10=18

2 6 10 14 18 22 four in between

so you will add these numbers each time

18+14=22  22+18=40  40+22=62

4 0
2 years ago
Write an equation or inequality to represent the scenario:
aniked [119]
<h3><u>The value of x is equal to 1.</u></h3><h3><u>6(x + 2) = 20x - 2</u></h3>

<em><u>Distributive property.</u></em>

6x + 12 = 20x - 2

<em><u>Add 2 to both sides.</u></em>

6x + 14 = 20x

<em><u>Subtract 16x from both sides.</u></em>

14 = 14x

<em><u>Divide both sides by x.</u></em>

x = 1

6 0
2 years ago
How do you factor 2x^2+x-3
xxMikexx [17]
Find the factors of -3:
1,-3 and 3,-1

which ever adds up to 1 multiplied by 2

the answer is (2x+3)(x-1)

hope this helps
7 0
2 years ago
The ratio of girls to boys in a particular classroom is 8: 7. How many boys are in the class if there are 45 students?
Dmitry [639]

9514 1404 393

Answer:

  21

Step-by-step explanation:

Rearranging the given ratio, we can find the ratio of boys to the total.

  boys : (boys +girls) = 7 : (7+8) = 7 : 15

Then the number of boys is ...

  (7/15)(45) = 21

There are 21 boys in the classroom.

8 0
2 years ago
Please help me i have a hw
aalyn [17]

Answer:

1.B 2.H 3. A

Step-by-step explanation:

1. First, find out the percentage of people who voted for Mathematika in survey one.

The total amount of people who voted is 14+17+19, which equals 50. 17/50 people voted for Mathematika, 17/50 = 0.34.

To find out how many people out of 300 will vote for Mathematika, multiply the 0.34 by 300. 300 x 0.34 = 102, so 102 people will vote for Mathetika.

2. You use the same logic for number 2. 14+17+19+20+19+11 = 100, so 100 people voted in total. 34 people voted for Infinitus. 34/100 = 0.34. Multiply 0.34 by 750 to get 255 people will vote for Infinitus.

3. The mean = the average. To find the average, add up all of the numbers, then divide that number by the amount of numbers added together.

7+9+11+13+15 = 55

5 numbers were added together so you divide 55 by 5

55/5 = 11. The mean is 11

9+10+11+12+13 = 55

There were 5 numbers added together

55/5 = 11. Both the means were the same

4 0
3 years ago
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