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vesna_86 [32]
3 years ago
13

Consider the sequence: 12, 17, 22, ... , ... , .... What is the 405th term of this sequence?

Mathematics
2 answers:
Mice21 [21]3 years ago
7 0
A_n= a₁+(n-1)d

a₁ first term

n terms

d distance between each value

a_n= 12+(405-1)(5)=2032
kompoz [17]3 years ago
7 0
The first term of the sequence is 12. You can also tell that you’re adding five after the first term.
12+5(x-1)=y
Since you’re not automatically adding it on the first term, you need to subtract one from x.
You could also do this.
7+5x=y
You would still get the same number.
Let’s plug 405 in for x in the equations.
12+5(405-1)
12+5(404)
12+2020
2032
Let’s see if it’s the same thing in the second equation.
7+5(405)
7+2025
2032
The 405th term is 2032.
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Maris put trim around a mirror that is the shape of a square. Each side is 24 inches long. Maria has 1 foot of trim left. What w
Dahasolnce [82]

Answer:

16.028 yards

Step-by-step explanation:

1 inch=0.0833333 foot

24 inches=0.0833333×24

=1.9999992 foot

The mirror is square shaped and each side is 24 inches

If each 24 inches=1.9999992 foot

Then,

4 sides of 24 inches=1.9999992×24

=47.9999808 foot

Maria has 1 foot of trim left

Total Length of trim when she started=47.9999808+0.0833333

=48.0833141 foot

=16.02777136667 yards

Approximately,

16.028 yards

8 0
3 years ago
Do this worksheets if someone do I will make him or her brainly if correct.
marusya05 [52]
Answer 17: -6/25-29%-3/10-1/3-34.5%-

Explanation: 6/25 is .24 as a decimal, 29 is .29, 3/10 is .30, 1/3 is .33, and 34.5 is .34

Answer 18: 78% is the same as 7.8/10 not 7/8. 7/8 as a percent is 87.5%
8 0
3 years ago
Tracy mckinney is a disc jockey at radio station wmmm. her annual salary is $52,750. what is her monthly salary? $4,395.83 $5,27
ch4aika [34]
Divide the annual salary by 12 and you'll find the monthly salary
month salary = annual salary/12
month salary = 52,750/12
month salary = 4,395.83

Her monthly salary is $4,395.83
4 0
3 years ago
1. Evan drove 308 km in the same time that Meghan drove 329 km. If Meghan drove
emmainna [20.7K]

Answer:

Her average speed is 94 km/h

Time taken is 3.5 hours

Step-by-step explanation:

Let Evan’s average speed be x km/h.

now since Meghan drove faster, according to the question, we can say her average speed would be x + 6 km/h

Mathematically, time = distance/speed

so; since time is the same; we have

308/x = 329/(x + 6)

cross multiply

329(x) = 308(x + 6)

329x = 308x + 1848

329x-308x = 1848

21x = 1848

x = 1848/21

x = 88 km/h

Meghan average speed = x + 6 = 88 + 6 = 94 km/h

Time taken would be 329/94 = 3.5 hours

8 0
3 years ago
Help with this question please
mihalych1998 [28]

The number from standard form to decimal form is as follows:

2.077  ×  10⁻⁴ = 0.0002077

<h3>How to express number in standard form?</h3>

Standard form is a convenient way of writing very large or very small numbers.

Standard form is a way of writing a number so it is easier to read.

Standard form is like scientific notation and is typically used in science.

Standard form is like scientific notation and it is represented in the format as follows:

a × 10ᵇ

Therefore, the number is already in standard form but we can convert it back to decimal form as follows:

2.077  ×  10⁻⁴ = 2.077 × 1 / 10000 = 0.0002077

learn more on standard form here: brainly.com/question/17170676

#SPJ1

4 0
2 years ago
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