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mestny [16]
3 years ago
14

2.375 divided by 0.05

Mathematics
1 answer:
Xelga [282]3 years ago
4 0
Well, you calculate 237.5 divided by 5. This is 47.5.
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Part A: The area of a square is (4x^2 - 12x + 9) square units. Determine the length of each side of the square by factoring the
AlexFokin [52]

Answer: Area = side²

If Area = 4x² + 12x + 9, then the side is the √(4x² + 12x + 9)

Let’s factor 4x² + 12x + 9

What two numbers multiply to be 36 (which came from 4 * 9) add up to be 12?

6 and 6 are the two numbers, because 6 * 6 = 36, and 6 + 6 = 12.

We can break 4x² + 12x + 9 into (4x² + 6x) + (6x + 9)

Factor 4x² + 6x, the greatest common factor is 2x, so the 2x goes on the outside, leaving us with 2x + 3 on the inside, so that gives us 2x * (2x + 3).

Factor 6x + 9, the greatest common factor is 3, so the 3 goes on the outside, leaving us with 2x + 3 on the inside, that gives us 3 * (2x + 3).

Now we have the 4x² + 12x + 9 written as 2x (2x + 3) + 3 (2x + 3). Since we now have a common factor, 2x + 3, we can combine them by adding 2x (2x + 3) + 3 (2x + 3) as like terms, so we now have (2x + 3) * (2x + 3).

We can simplify (2x + 3)(2x + 3) into (2x + 3)².

There. The simplest factored form of 4x² + 12x + 9 is (2x + 3)²

Ok, the Area = (2x + 3)²

Let’s solve for the side

(2x + 3)² = side²

square root both sides and take the positive root

side = √(2x + 3)²

side = 2x + 3

The side length is: 2x + 3 units

I hope you get a good grade lol :)

Step-by-step explanation:

3 0
3 years ago
A truck whose bed is 2.5m long, 1.5m wide, and 1.0m high is delivering sand for a sand-sculpture competition. About how many tri
Flura [38]

Answer:

68.6 Trips

Step-by-step explanation:

2.5m+1.5m+1.0=5

5m per trip

7m^3=343

divide the amount that can fit in each trip (5m)

by the amount of sand needed for the sculpture. (343m)

343 /5=68.6

8 0
3 years ago
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750 because you take 5000 divided by 100 equals 50, and 15 times 50 equals 750
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16.
o-na [289]
4.5 miles I would say
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TanA/secA-1-sinA/1+cosA =2 cotA​
Harlamova29_29 [7]
I don’t not know what this I’m only in the 5th gradensns
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