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aliya0001 [1]
2 years ago
6

QUESTION 7 7.1 The fifth term of an arithmetic sequence is zero and the thirteenth term is equal to 16. Determine: the common di

fference
​
Mathematics
1 answer:
pishuonlain [190]2 years ago
3 0

Answer:

2

Step-by-step explanation:

The first term is our fifrth and 13th is our 9th term in the new sequence. So each step has to be 2. 2 * 8 = 16

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-6x+2y=-18. -3x-2y=54
luda_lava [24]

Answer:

x = -4

y = -21

Step-by-step explanation:

To solve this, we will need to set up a system of equations and get rid of a variable.

-3x - 2y = 54

-6x + 2y = -18

From this, we can see that the 'y' variables can be cancelled out if we add the two together. This means that we must add these equations to each other to cancel out the 'y' variables:

-3x - 2y = 54

-6x + 2y = -18

-------------------- +

-9x = 36

x = -4

Since we have solved for 'x', we can simply plug this value into an equation to find 'y'.

-3(-4) -2y = 54

12 - 2y = 54

-2y = 42

y = -21.

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3 years ago
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2 years ago
What is the solution set to the inequality 5(x – 2)(x + 4) > 0?
olga nikolaevna [1]
5(x-2)(x+4)>0  For this to be true, both parenthetical terms must be both positive or both negative.

x<-4 and x>2

x=(-oo,-4),(2,+oo)


6 0
3 years ago
Read 2 more answers
For a hypothesis test of H0: p = 0.35 against the alternative, Ha: p &gt; 0.35, the z test statistic is found to be 2.45. What c
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Answer:

c? sorry if it's wrong...

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How do you calculate compound interest? Please help me understand this
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Answer:

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Step-by-step explanation:

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