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liq [111]
3 years ago
12

I need help fast please ​

Mathematics
1 answer:
marta [7]3 years ago
5 0

Answer:

point H is in quadrant II

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Soloha48 [4]
The first one is 64. The second one is -64. Third is 10000
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3 years ago
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Can someone please help me with the second question….will give brainliest :(
den301095 [7]

Answer:

its 3.

Step-by-step explanation:

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Does anyone know how to do this question ??
Viktor [21]
Y^2-9^2

(y-9)(y+9)

To see if its right:

y*y+y*9-9*y-9*9
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3 years ago
Trei copii au impreuna 45 de lei .
Ainat [17]

Answer:

Primul copil are 6 lei, al doilea are 12 lei, al treilea are 27 de lei.

Step-by-step explanation:

Lăsați suma primului copil să fie x.

Lăsați suma al doilea copil să fie y.

Lăsați suma al treilea copil să fie z.

Trei dintre ei au 45 de lei în total.

Aceasta înseamnă că:

x + y + z = 45 ________(1)

Al doilea are de două ori valoarea primului:

y = 2x

Al treilea are cu 15 lei mai mult decât al doilea:

z = 15 + y

=> z = 15 + 2x

Puneți valoarea y și z în (1):

x + 2x + 15 + 2x = 45

5x = 45 - 15 = 30

x = 30 / 5 = 6 lei

=> y = 2 * 6 = 12 lei

=> z = 15 + 12 = 27 lei

Primul copil are 6 lei, al doilea are 12 lei, al treilea are 27 de lei.

7 0
3 years ago
Hi what is 4x3-1 x20=<br><br><br><br><br><br> Don’t mind this
krek1111 [17]

Answer:

4 x 3 - 1 x 20 = -8

H u m a n F i n g e r P i e.

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3 years ago
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