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Svetach [21]
2 years ago
13

Which expression is equivalent to this expression x(2x+3)

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
8 0

Answer:2x^2+3x

Step-by-step explanation:

x(2x+3)

(x)(2x+3)

(x)(2x)+(x)(3)

2x^2+3x

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A store sells grass seed in small bags and large bags. The small bags have 7 pounds of seed for $27.93 and the large bags have 2
Arada [10]

Answer:

The 20 pound bag is a better by for only $66.98

Step-by-step explanation:

The large bag is better because the small bag is $27.93 for 7 pounds 7x3=21,so 3x27.93=83.79 is $16.81 more than the cost for the large bag

hope this makes sense;)

5 0
2 years ago
What is the equation of a line that passes through the point?
Artist 52 [7]
<h3>Answer: 3x-2y = 5 (choice A)</h3>

=====================================================

Explanation:

The given graph passes through (0,2) and (2,5)

The slope of this line is

m = (y2 - y1)/(x2 - x1)

m = (5-2)/(2-0)

m = 3/2

Since the y intercept is b = 2, we go from y = mx+b to y = (3/2)x+2, which is the equation of the graphed line shown.

Any parallel line will have the same slope, but a different y intercept.

-------------------

The parallel line must pass through (x,y) = (3,2). We'll use these coordinates along with m = 3/2 to find the y intercept b

y = mx+b

2 = (3/2)(3)+b

2 = 9/2+b

2-9/2 = b

4/2 - 9/2 = b

-5/2 = b

b = -5/2 ... is the new y intercept

The equation of the parallel line is y = (3/2)x-5/2, which is in slope intercept form

-------------------

Let's convert to standard form

y = (3/2)x-5/2

2y = 3x-5 .... multiply everything by the LCD 2 to clear out fractions

2y+5 = 3x

3x = 2y+5

3x-2y = 5 ... is the equation in standard form of the parallel line

-------------------

As a check, we can plug (x,y) = (3,2) into that last equation above to get

3x-2y = 5

3*3-2*2 = 5 ... replace x with 3, replace y with 2

9-4 = 5

5 = 5

Confirming that (x,y) = (3,2) is on the line.

3 0
3 years ago
Earning $80,000 a year. What is your monthly income?
aleksklad [387]
80,000 per year....there are 12 months in a year

80,000 / 12 = 6666.67 per month
6 0
3 years ago
Read 2 more answers
I'm stuck on 14-16 please help
sukhopar [10]
14 - 16 is -2.

Hope this helped.
3 0
3 years ago
Brandon has a garden in his backyard he picked 66 from six tomato plants what is the ratio of tomato plants two tomatoes picked
Tom [10]
11 Picked Off 6 Plants. 
8 0
3 years ago
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