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Butoxors [25]
4 years ago
7

Help me out plsssssss

Mathematics
1 answer:
OLga [1]4 years ago
4 0

Answer:

The answer is c

Step-by-step explanation:

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I need help PLEASE . Number four, what’s the answer and please explain
Gnoma [55]
I think is A! Im not sure tell me if it’s right
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3 years ago
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s2008m [1.1K]

9514 1404 393

Answer:

  51

Step-by-step explanation:

The rule gives the sequence ...

  75, 69, 63, 57, 51, 45, ...

The 5th number in the sequence is 51.

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<em>Alternate solution</em>

The equation for the general term of an arithmetic sequence is ...

  an = a1 +d(n -1) . . . . . for first term a1 and common difference d

Your sequence has first term 75 and common difference -6, so the equation is ...

  an = 75 -6(n -1)

Then for n=5, the term is ...

  a5 = 75 -6(5 -4) = 75 -24 = 51

The 5th term is 51.

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3 years ago
Merl is a Canadian exchange student in China, and he currently has 12,000 yuan in his bank account. If the exchange rate changes
natali 33 [55]
The value has decreased because the amount he gets in Canadian dollars has decreased for the exact same amount he has in yuan.
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3 0
3 years ago
Read 2 more answers
-3x+5y=4 and x+y=-4 find the value of x and y
shusha [124]

Answer:

x = -3, y = -1

Step-by-step explanation:

Solve by substitution:

First make the second equation in terms of y:

y = -x-4

Next, since we found what y is, plug it into the first equation and solve for x:

-3x + 5(-x-4) = 4                             Plug in

-3x - 5x - 20 = 4                            Distribute

-8x - 20 = 4                                   Simplify

-8x = 24

x = -3

We have found that x = -3. To find y we need to plug x back into any of the equations. Let's do equation #2.

(-3) + y = -4                                    Plug in

y = -1                                              Simplify

So, y = -1 and x = -3. Let's check this in the first equation to make sure it is correct:

-3(-3)+ 5(-1) = 4                              Plug in

9 + (-5) = 4                                    Simplify

9 - 5 = 4

4 = 4

Since both sides are equal that means we are correct!

Hope this helps!!

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2 years ago
Please help me I really need this answer.
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