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DIA [1.3K]
2 years ago
8

Subtract 7xy (x² - 2xy + 3y²) -8x (x²y - 4xy + 7x y2) from3y(4x²y-5xy +8xy²)​

Mathematics
1 answer:
olganol [36]2 years ago
5 0

Answer:

im not sure but

Step-by-step explanation:

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Wayne is planning a beach vacation. He budget's a total of $1,800 for the
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3 years ago
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A runner runs 160 metres in 20 seconds what is his average speed
Nataly_w [17]

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8 metres per second (8m/s)

Step-by-step explanation:

160 metres divided by 20 = 8.

this is because he runs x metres each second so X must be 8

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Your school is planning a field trip to a history museum. They are going to rent a large bus for $450. The cost of the ticket to
Sunny_sXe [5.5K]

Answer:

19

Step-by-step explanation:

To write an equation for the first situation, you need to determine which factors can be changed.  The bus will not change since you can have multiple people in one.  The ticket to the museum is per person.  This will change depending on how many people there are.

450 + 15.75x

For the second equation, you need to find how many people can go for it the cost to be equal to $40 per person.  Set the equation equal to $40 per person and solve.

450 + 15.75x = 40x

450 = 24.25x

x = 18.56

Round up to 19 since you can't 0.56 of a person.

6 0
2 years ago
Please help!
Colt1911 [192]

Answer:

The correct answer is C. y = 3/4x - 12

Step-by-step explanation:

In order to find this, we must first note that the slope will be 3/4. We can tell this because parallel lines have the same slope. Next, we use that along with the point in point-slope form to find the equation.

y - y1 = m(x - x1)

y - -18 = 3/4(x - -8)

y + 18 = 3/4 (x + 8)

y + 18 = 3/4x + 6

y = 3/4x - 12

4 0
3 years ago
If a number has no factors other than 1 and number itself, then the number is(a) composite(b) prime (c) do not find anything (d)
xenn [34]

Answer:

THe answer is prime number

4 0
2 years ago
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