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zysi [14]
3 years ago
12

X+7=y in substitution

Mathematics
1 answer:
sukhopar [10]3 years ago
7 0
You can subtract 7 to y
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4 0
4 years ago
The expression P(4, 3) is equal to:<br> -3!<br> -4!<br> - 1
nexus9112 [7]

Answer:

P(4,3) = 4!

Step-by-step explanation:

Given

P(4,3)

Required

Solve

Using permutation formula;

P(n,r) = \frac{n!}{(n-r)!}

This implies that

P(4,3) = \frac{4!}{(4-3)!}

P(4,3) = \frac{4!}{(1)!}

P(4,3) = \frac{4!}{1!}

P(4,3) = \frac{4!}{1}

P(4,3) = 4!

6 0
3 years ago
Please help need answer asp
Katena32 [7]
90 degrees, a right triangle has 1 right angle which is 90 degrees

3 0
4 years ago
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Effectus [21]
what do you need help with, maybe I can help? 

4 0
3 years ago
find the sum of a 9-term geometric sequence when the first term is 4 and the last term is 1,024 and select the correct answer be
olasank [31]
Hello,

u_{1} =4\\&#10; u_{2} =4*q\\&#10; u_{3} =4*q^2\\&#10;...\\&#10;&#10; u_{9} =4*q^8\\\\&#10;==\textgreater\ 4*q^8=1024\\&#10;==\textgreater\ q^8=256\\&#10;==\textgreater\ q=2\mbox{( and there is a problem in the question) } \ or \ q=-2\\&#10;if\ q=2 \ then\  \sum_{i=0}^{8}\ 4*(2)^i= 4*\dfrac{1-2^9}{1-2} =2044\\&#10;&#10;if \ q=-2 \ then\ \sum_{i=0}^{8}\ 4*(-2)^i= 4*\dfrac{1-(-2)^9}{1+2} =684\\&#10;&#10;&#10;&#10;

Answer B (but see the problem)
7 0
3 years ago
Read 2 more answers
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