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ale4655 [162]
3 years ago
9

If you can help me youre a legend :)

Mathematics
2 answers:
AleksandrR [38]3 years ago
4 0

Answer:

A. 9

B. 7

Step-by-step explanation:

A. 11 - 2 = 9

B. 1 + 6 = 7

Ierofanga [76]3 years ago
4 0
A)11-2=9
B)6+1=7
I think this is the answ
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Does anyone know how to find x and y?? If so please help! Pictures would help too!!
finlep [7]

Answer:

y=13.3333...

x=6

Step-by-step explanation:

y=20/1.5

y=13.3

x=9/1.5

x=6

8 0
3 years ago
I do not understand the 5 question.
WINSTONCH [101]
It is A because y=20x-5 and so it goes up and to the right
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Diano4ka-milaya [45]
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7 0
3 years ago
Expand (2 + a)9 using Pascal’s triangle.
Natalija [7]

Answer:

Step-by-step explanation:

The Pascal triangle is used to determine the coefficients of the terms when we expand the expression.

                                             1                                (A + B) ^ 0 = 1

                                         1       1                            (A +B ) ^ 1 = 1A + 1B

                                   1          2        1          (A+ B) ^ 2 = 1A^2 + 2 AB + 1B^2

By extending the triangle, you will get the 9th row, which is your expression, of the coefficients. that is

1          9       36    84    126    126    84    36    9    1

Now, fill in AB in the gaps.

1AB + 9 AB + 36AB + 84AB + 126AB + 126AB +84AB + 36AB + 9AB + 1AB

Next, you need to go from the left to fill out the exponent of A and it will go down from 9 (the exponent of the whole thing) . That is

1A^9B+9A^8B+36A^7B+84A^6B+126A^5B+126A^4B+84A^3B+36A^2B+9A^1B+1A^0B

Next will be the exponent of B. this time, you go from the right and do the same with A. You can go from the left also, but go up from 0 to 9 for the exponent of B

1A^9B^0+9A^8B^1+36A^7B^2+84A^6B^3+126A^5B^4+126A^4B^5+84A^3B^6+36A^2B^7+9A^1B^8+1A^0B^9

The last step is just to simplify the A^0=1 and B^0 =1 at the first and the last terms.

A^9+9A^8B^1+36A^7B^2+84A^6B^3+126A^5B^4+126A^4B^5+84A^3B^6+36A^2B^7+9A^1B^8+B^9

Hope you can learn the method

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2 years ago
Exploring Volume of Pyramids
S_A_V [24]

Answer:2h

Step-by-step explanation:

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