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DIA [1.3K]
3 years ago
8

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

Mathematics
1 answer:
olganol [36]3 years ago
5 0

Answer:

im not sure but

Step-by-step explanation:

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A rectangular piece of metal is 20 in longer than it is wide. Squares with sides 4 in long are cut from the four corners and the
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Answer:

width = 12.5

Step-by-step explanation:

rectangular volume = height * width * length

1200 = 4 * w * (20 + 4)

1200 = 4 * w * 24

1200 = 96w

12.5=w

3 0
3 years ago
Given the following vector fields and oriented curves C, evaluate integral F * T dsF = <-y, x> on the semicircle r(t) = &l
luda_lava [24]

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Answer is 16\pi.

Step-by-step explanation:

4 0
3 years ago
There are a total of 15 bicycles and tricycles.There are 37 wheels all together if we count them up. How many tricycles and how
m_a_m_a [10]

Answer: there are eight bicycles and 7 tricycles.

Step-by-step explanation:

Let x represent the number of bicycles that are there.

Let y represent the number of tricycles that are there.

There are a total of 15 bicycles and tricycles. This means that

x + y = 15

A bicycle has 2 wheels and a tricycle has 3 wheels. There are 37 wheels all together if we count them up. This means that

2x + 3y = 37- - - - - - - - - - - - - 1

Substituting x = 15 - y into equation 1, it becomes

2(15 - y) + 3y = 37

30 - 2y + 3y = 37

- 2y + 3y = 37 - 30

y = 7

x = 15 - y = 15 - 7

x = 8

7 0
3 years ago
How much space is given for each parking
Kitty [74]

Answer:

he minimum size of a standard parking space shall be nine feet wide and eighteen feet long. Parking spaces within enclosed garages shall have an interior dimension of at least ten feet wide and twenty feet long. The minimum size of a compact parking space shall be eight feet wide and sixteen feet long.

Step-by-step explanation:

7 0
3 years ago
After an office party, 4 1/3 pizzas are left. A day later, there are 1 5/6 pizzas left. How munch pizza was eaten during the day
IceJOKER [234]

Answer:

15/6 pieces of pizza were eaten. Which is equivalent to 2.5. So 2.5 pizzas were eaten.

Step-by-step explanation:

Just did the math. Convert 4 1/3 to 0/6. So 1 times 2 is 2, and 3 times 2 is 6. Which would give you 4 2/6 which has the same denominator as 1 5/6.

8 0
3 years ago
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