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klio [65]
3 years ago
14

A=3x^2-2(x-y)^2-3y^2 tại x=4,y=-4

Mathematics
1 answer:
Andrei [34K]3 years ago
7 0

Answer:a=-128

Step-by-step explanation:

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Please answer ASAP. 10 points. Mathematics
frosja888 [35]

okay so you would fill this in as

Y=(275x36)+800

this would then go to

y=10700-400

so the answer is 10300

hope this helps! enjoy!

4 0
3 years ago
you have one case of soap bars in there is 150 bars in a case you use 300 bars of soap per day how many cases do you need to ord
timurjin [86]
You would need 14 cases. You multiply 150 times 2 to get 300 which is 2 cases of soap per day and you multiply 7 days in a week by 2 and you let math magic happen
4 0
3 years ago
If x and Y are positive integers ,is x - y always positive ? Explain
kykrilka [37]
No not always, because x could be a smaller number than y which would make it an negative. If x is bigger than y most likely it will be, but not always.
5 0
3 years ago
Can I have some help?
earnstyle [38]
#1) so if the ratio is 2/3 and the other fraction is 16/?, all you have to do is figure out what it took to get there. For example, if the beginning fraction is 2/3 and the second one is 16/?, we at least know that 2 times 8 is 16, so all we have to do is multiply 3 times 8 to get the bottom number which is 24. So 24 is the amount of tan tiles they will need.

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3 0
3 years ago
The Window has the shape of a kite. How many square meters of glass were used to make the Window
Elan Coil [88]

The window that has the shape of a kite has the area of the glass as 648 centimetre squared.

<h3>What is area of a figure?</h3>

Area can be defined as the space occupied by a flat shape or the surface of an object. Therefore,

The window is the shape of a kite. Therefore, the square meters of the glass used for the window is the area of the window(kite).

Therefore,

area of kite = ab / 2

where

  • a and b are the length of the diagonal

Therefore,

a = 18 + 18 = 36 cm

b = 15 + 21 = 36 cm

area of the window = 36 × 36 / 2 = 1296 / 2 = 648 cm²

learn more on area here:brainly.com/question/2494000

4 0
2 years ago
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