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kirza4 [7]
3 years ago
15

Solve for Zeros by factoring 5x^2 + 13x - 6

Mathematics
1 answer:
serious [3.7K]3 years ago
7 0
5x^2+13x-6

Break  the expression into groups:

=(5x^2-2x)+(15x-6)

Factor out x from : 5x^2-2x = x(5x-2)

Factor out 3 from : 15x-6=3(5x-2)

=x(5x-2)+3(5x-2)

Factor out common term (5x-2)

= (5x-2)(x+3)

hope this helps!
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In an average year, the American chemical industry produces more than 9.5 million metric tons of sodium carbonate. Over half of
Phoenix [80]

Answer:

2.09 × 10¹⁰ pounds

Step-by-step explanation:

The American chemical industry produces more than 9.5 million metric tons of sodium carbonate.

in this problem we have to calculate the amount in pounds of sodium carbonate are produced annually.

so we will convert the amount of 9.5 million metric tons to pounds.

Since in  1 metric ton = 2204.62 pounds

Hence,  9,500,000 metric ton = 2204.62 × 9,500,000

                                                 = 20943890000 pounds

                                                 = 2.09 × 10¹⁰ pounds

2.09 × 10¹⁰ pounds of sodium carbonate are produced annually.

5 0
4 years ago
6 root 5 plus 6 root 5
KengaRu [80]

Answer:

12√5

Step-by-step explanation:

6√5 + 6√5 = (6 + 6) * √5 = 12 * √5 = 12√5.

3 0
3 years ago
Read 2 more answers
Algebra mid-unit review quiz Unit 3 lesson 5
Kipish [7]
Please check, i'm not entirely sure but i'm decent enough. 
1 is A 2 is D3 is B
Good luck. 
3 0
3 years ago
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2, and the profit
Xelga [282]

Answer:

Answer:

1.) the y intercept is 490 and the slope is -2/3x

2.) First, I would find the point (0,490) and plot a point there. Then I would use our slope -2/3 to figure out what direction and what angle the line goes by counting 2 down and 3 to the right

3.) f(x)= -2/3x+490

The graph represents how many wraps could've been sold for each number of sandwich sales to keep the same profit of $1,470.  

4.) graph down below

5.) the profits are the same (slope) but the y intercept is higher then the original graph.

6.) y=-2/3x+300

Step-by-step explanation:

some of these are part of the problem as well.

1.)  2x+3y=1,470  

3y=-2x+1,470

-2x+1,470/3

-2/3x + 490

y=-2/3x + 490

the y intercept is 490 and the slope is -2/3x

2.) First, I would find the point (0,490) and plot a point there. Then I would use our slope -2/3 to figure out what direction and what angle the line goes by counting 2 down and 3 to the right

3.) f(x)= -2/3x+490

The graph represents how many wraps could've been sold for each number of sandwich sales to keep the same profit of $1,470.  

5.) 2x+3y=1,593

3y=-2x+1,593

y=-2/3x+531

the profits are the same (slope) but the y intercept is higher then the original graph.

6.) (150, 200) (300, 100)

y intercept= 300

m= 100-200/300-150 = -100/150 = -2/3

y=-2/3x+300

this was a question from a while ago but I thought I would answer it anyways, hope its right and hope it helps you! <3

5 0
3 years ago
Which is the best estimate of the percent?<br> 48% of 59
xxMikexx [17]

Answer:

Es igual a 28,32

Step-by-step explanation:

Because this is yhe formula to subtract the porcent

4 0
3 years ago
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