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Minchanka [31]
3 years ago
11

given the arithmetic sequence 3, 7, 11, 15, ..., what is a1, the first term? What is d, the common difference? Find the 151st te

rm of this sequence. What formula did you use? Be sure to show your work. Thank you.
Mathematics
1 answer:
JulijaS [17]3 years ago
5 0
It’s 12345678910 because the mathematical people said so.
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Solve the equation 14y+82=6x-20 for x if y is 25
Leni [432]

Answer:

x= 226/3 or 75.33333333333333333333333333333

Step-by-step explanation:

14y+82=6x-20

y=25

Sub y=25 into 14y+82=6x-20

14y+82=6x-20

14(25)+82=6x-20

Calculate as follows:

14(25)+82=6x-20

350+82=6x-20

432=6x-20

Add twenty to both sides:

432+20=6x-20+20

452=6x-0

452=6x

Divide both sides by 6

452=6x

452/6=6x/6

452/6=x

x= 226/3 or 75.33333333333333333333333333333

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7 1/2 sticks of butter are needed to make 5 cakes. How much butter is needed to make one cake?
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Answer:

1 1/2

Step-by-step explanation:

because when you divide 7.5 by 5 you get 1.5

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larisa86 [58]

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After substituting, what is the first step when evaluating 4y+9/7 when y=8
kenny6666 [7]

Answer:

  multiply 4 and 8 to get 32

Step-by-step explanation:

After substituting, the expression is ...

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The order of operations tells you to do multiplication and division before addition and subtraction. You do them left-to-right. The multiplication on the left is 4·8, so you do that first. The result is ...

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Now, you can do the division:

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And, finally, the addition:

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Or, you could skip the division and go straight to adding a whole number and a fraction:

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