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3 years ago

Find the 13th term of the arithmetic sequence -2x+8, 4x+2, 10x-4,...

Mathematics

1 answer:

Alik [6]3 years ago

3 0

Answer:

70x - 64

Step-by-step explanation:

Answer attached.....

Hope it helps:)

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What does 8x + 4 equal?

postnew [5]

Answer:

4 (2x+1)

Step-by-step explanation:

Factor 4 out of 8x+4

3 0

3 years ago

Read 2 more answers

Martina buys a video game that normally costs d dollars, but it is on sale for 25% off. If the sales tax on the game is 8%, how

NNADVOKAT [17]

25% off means that they are paying 75% of the original price. Multiply d by 75%:

0.75d

Now you need to multiply the price by 1 plus the sales tax to get the total cost:

0.75d x 1.08

Simplify by multiplying 0.75 by 1.08 to get:

0.81d

7 0

3 years ago

Henry has collected data to find that the typing speeds for the students in a typing class has a normal distribution. What is th

Mekhanik [1.2K]

Answer: 0.8413

Step-by-step explanation:

Given : Henry has collected data to find that the typing speeds for the students in a typing class has a normal distribution.

Mean : $\mu=47$

Standard deviation : $\sigma= 4$

Let x be the random variable that represents the typing speeds for the students.

The z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x= 51

$z=\dfrac{51-47}{4}=1$

Using the standard normal distribution table ,the probability that a randomly selected student has a typing speed of less than 51 words per minute :-

$P(x$

Hence, the probability that a randomly selected student has a typing speed of less than 51 words per minute = 0.8413

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3 years ago

Phillip wanted to leave a 15% tip. He thought to himself that 15% = 10% plus half of 10%. Which of the following equations will

Liula [17]

Answer: D

Step-by-step explanation:

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2 years ago

Draw and label a tape diagram to subtract 10, 20, 30

Svet_ta [14]

This isnt something I can do... But draw and label a tape diagram that goes from 0 to 30.

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3 years ago