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Yakvenalex [24]
3 years ago
6

(2x-3)(x+2)-(3-2x)(3x-2)=0

Mathematics
2 answers:
garik1379 [7]3 years ago
7 0

(2x-3)(x+2)-(3-2x)(3x-2)=0

(2x²+4x-3x-6) - (9x-6-6x²+4x)=0

(2x²+4x-3x-6) + (6x²-4x-9x+6)=0

(2x²+x-6)+(6x²-13x+6)=0

8x²-12x=0

Step2247 [10]3 years ago
3 0

Answer:

the answer is X = 0.75

Step-by-step explanation:

you just need to simplify everything in the brackets and calculate

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If a meatball recipe calls for 10 pounds of ground beef is 5 kilograms of ground beef enough to make the meatballs
rodikova [14]

Answer:  Yes. 5 kilograms is  a little more than enough.

Step-by-step explanation:

Use the conversion factor.  1 kilogram = 2.20462 pounds

We can round that to 2.2 for a question like this.

5 × 2.2 = 11 pounds

8 0
3 years ago
Solve the equation. −3(y+5)=15
e-lub [12.9K]

Divide both sides by -3

y + 5 = -15/3

Simplify 15/3 to 5

y + 5 = -5

Subtract 5 from both sides

y = -5 - 5

Simplify -5 - 5 to -10

y = -10

8 0
3 years ago
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Find the simple interest to the nearest cent.        PLEASE HELP
Ipatiy [6.2K]
1. $546.00 

2. $180.00

3. $141.38

4. $3762.00

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My Username: Ashlynnicole02
8 0
3 years ago
Joe bikes at the speed of 30 km/h from his home toward his work. If Joe's wife leaves home 5 mins later by car, how fast should
Dahasolnce [82]

Answer:

45 mph

Step-by-step explanation:

This is a really good question to know the answer to. It is tricky and a bit indirect (which means you have to find something else before you can find the speed of the car.)

Let's keep track of what he does in the time allotted.

How far does Joe go in 5 minutes? That's the amount of time he's on the road before she is.

convert 5 minutes into hours. 5 minutes * 1 hour / 60 minutes = 1/12 of an hour

d = r*t

r = 30 km/hour

t = 1/12 hour

d = 30 km/hr * 1/12 hour = 2.5 km

Now she's about to start. She wants to catch him in 10 minutes

d = r*t

r = x mph

t = 10 minutes = 10 minutes * 1 hour * 60 minutes = 1/6 of an hour.

How far does he go in the 10 minute time?

d = 30 * 1/6 = 5 km

What is his total distance

5 km + 2.5 km = 7.5 km

Finally how fast does she need to go to catch him

d = 7.5 km

r = ?   This is what you are trying to find

t = 1/6 of an hour

d = r*t

7.5 km = r * (1/6)hour             divide by 1/6 hour

7.5 km // 1/6 hour = r

r = 7.5 * 6 = 45 mph

6 0
3 years ago
Find the measure answer for (b) open image
Taya2010 [7]

Answer:

y = 27°

Step-by-step explanation:

3y + 53 = 7y - 55

53 + 55 = 7y - 3y

4y = 108

y = 108 : 4

y = 27°

3(27) + 53 = 81 + 53 = 134°

7 0
3 years ago
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