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mash [69]
3 years ago
10

I need to factor 4n^2+4n-3. How??

Mathematics
1 answer:
charle [14.2K]3 years ago
5 0
Simple.....

you have: 4n^{2} +4n-3

What multiplies to -12 and adds to 4?

6*-2=-12

6+-2=4

If you plug it into the box method you should get...--->>>

(2n-1)(2n+3)

Thus, your answer.
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Jane corporation produces model toy cars each sells for $29 99 sense its variable cost per unit is $14 25 sense what is the brea
n200080 [17]

Answer:

Break-even point in units= 20,000

Step-by-step explanation:

Giving the following information:

Selling price per unit= $29.99

Unitary variable cost= $14.25

Fixed costs= $314,800

<u>To calculate the break-even point in units, we need to use the following formula:</u>

Break-even point in units= fixed costs/ contribution margin per unit

Break-even point in units= 314,800 / (29.99 - 14.25)

Break-even point in units= 20,000

5 0
3 years ago
To cover a rectangle region of her yard, Penny needs at least 170.5 square feet of sod. The length of the region is 15.5 feet. W
gulaghasi [49]
We know that the perimeter of a rectangle is 2(width)+2(length). We can multiply the length by 2 to find out how much remaining fencing we have, then divide that number by 2 to find the width.

15.5*2=31
170.5-31=139.5
139.5/2=69.75

A possible width is 69.75 feet.
4 0
3 years ago
Can anyone help me?
just olya [345]

Answer:

The answer is D, 80$ for three 1 hour lessons. I hope this helps :D

4 0
2 years ago
If y=2x^2-5x-3 find the value of y if x= -1​
Gelneren [198K]

Answer:

y = 4

Step-by-step explanation:

First we want to raise -1 to the power of 2

y = 2 * 1 - 5 * -1 - 3

Multiply

2 - 5 * -1 - 3

Multiply

y = 2 + 5 - 3

y = 7 - 3

y = 4

8 0
3 years ago
A truck drove 208 miles on 5 gallons of gas. How far should it be able to go on a full, 11-gallon tank?
nexus9112 [7]

Answer:

457.6

Step-by-step explanation:

if he drove 208 on 5 gallons, 208/5 =41.6 miles per gallon. 41.6*11= 457.6

6 0
2 years ago
Read 2 more answers
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