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blondinia [14]
3 years ago
12

In a sequence of numbers, a4=9, a5=13, a6=17, a7=21, and a8=25.

Mathematics
1 answer:
bulgar [2K]3 years ago
6 0

Answer:

The answer is C i.e an=4n-7

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20 times the sum of 4 and 2
ruslelena [56]

Answer:

120

Step-by-step explanation:

add 4 and 2 then multipy by 2 and add a zero

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3 years ago
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Suppose that state’s record high
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102 minus -14 = the range of 116 degrees.
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A normal distribution has a mean of 50 and standard deviation of 5. Which value produces a negative z-score?​
zimovet [89]

Answer:

x\:.

Step-by-step explanation:

The z-score for a normal distribution is calculated using the formula:

Z=\frac{x-\mu}{\sigma}.

From the question, the distribution has a mean of 50.

\implies \mu=50 and the standard deviation is \sigma=5.

For a z-score to be negative, then, \frac{x-\mu}{\sigma}\:.

\frac{x-50}{5}\:.

x-50\:.

x-50\:.

x\:.

\therefore x\:.

Any value less than 50 will produce a negative z-score

8 0
4 years ago
Which of the following is the correct sequence to the blanks above
marshall27 [118]

And where might the sequences and blanks be? 

_Award brainliest if helped
8 0
3 years ago
1. Solve each equation. For each step. identify the property used.
ehidna [41]

Answer:

I will put the answer below, but here is a tip:

Use PEMDAS. PEMDAS IS THIS:

P ( ) parenthesis

E y+x exponents

M x multiplication

D ÷ division

A + addition

S - subtraction

Key:

Property used=PU

Step-by-step explanation:

Part A:

18= 6x(2x-3)  PU=( ), y+x, x, & -

Part B:

8+3b-1 PU= y+x, +, & -

Part C:

=12 PU= =

Part D:

14+3n=8n-3x(1-4) PU= ( ), y+x, x, +, & -

Part E:

22x+11-4x-7 PU= y+x, +, & -

           

6 0
3 years ago
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