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Marta_Voda [28]

3 years ago

10

What is the 8th term in the sequence?

1 answer:

tino4ka555 [31]3 years ago

4 0

A8=25-3(8)
a8=25-24=1

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Find three consecutive odd positive integers such that 5 times the sum of all three is 72more than the product of the first and

Alenkasestr [34]

Let the positive odd numbers be x,x+2,x+4.
According to the question,
5(3x+30)=72+x^2+4x
x^2-13x+42=0
(x-6) and (x-7)=0
x=6 or x=7

8 0

3 years ago

Half the sum of seven and w?

swat32

Answer:

3.5w

Step-by-step explanation:

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3 years ago

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Which choice is the explicit formula for the following geometric sequence?0.5, -0.1, 0.02, -0.004, 0.0008, ...

Minchanka [31]

$a_1=0.5\\a_2=-0.1\\a_3=0.02\\a_4=-0.004\\a_5=0.0008\\\\a_n=a_1\cdot q^{n-1}\\\\q=a_2:a_1\to q=-0.1:0.5=-0.2\\\\a_n=0.5\cdot(-0.2)^{n-1}=0.5\cdot(-0,2)^n\cdot(-0.2)^{-1}\\\\=0.5\cdot(-0.2)^n\cdot(-5)=-2.5\cdot(-0.2)^n\\\\\boxed{a_n=-2.5\cdot(-0.2)^n}$

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3 years ago

Jose's mom gave him

goldenfox [79]

The flowers cost $12

40.00-10.75=$29.25
$29.25-3.25=$26.00
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2 years ago

Leon has $40 How many Mexican pesos can Leon buy with his dollars<br><br> Show work plz

tatuchka [14]

12x40=480
You can first multiply 12x4=48 and then you could put a zero next to the 8

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3 years ago