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trapecia [35]
2 years ago
10

Can someone plz plz help me

Mathematics
1 answer:
VikaD [51]2 years ago
6 0

Answer:

I have know clue

Step-by-step explanation:

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Which expression represents the value of the series below?<br> 3+ 7 + 11 + 15 + ... + 1,671
torisob [31]

Answer:

Step-by-step explanation:

This is an Arithmetic Series with common difference 4 and first term 3

so the nth term an = 3 + (n -1)4

= 4n - 1.

The sum of n terms

= n/2 (a1 + L)

= n/2(3 + 1671)

=  837n.

There are (1671-3) / 4 + 1 = 418 terms in the series,

so the total value of the series is 837*418

= 349,866.

.

4 0
2 years ago
−3(x + 3) = −3(x + 1) − 5.
tatyana61 [14]

Answer:

No solution

Step-by-step explanation:

-3x-9=-3x-3-5

-3x-9=-3x-8

-9=-8

4 0
3 years ago
141.1933-67.53 =<br> (Divided, not minus)
Sphinxa [80]

Answer: I think its 2.09

Step-by-step explanation:

But i'm not sure.

5 0
3 years ago
If lin runs 21 laps at the same rate, how long does it take her 25.6 minutes How many laps per minute is that? __ laps
Alex Ar [27]

Answer: 0.82 laps per minute

Step-by-step explanation:

Lin is running 21 laps in 25.6 minutes.

To find out her speed in laps per minute, divide the distance she has ran by the time it took her to run it.

= Distance / time

= 21 / 25.6

= 0.82 laps per minute

6 0
3 years ago
Given two dice, what is the probability of rolling a four on the second die, given that you already rolled a four on the first d
Sholpan [36]

Answer:   1/6

Reason:

There's 1 side labeled "4" out of 6 sides total. So that's where the 1/6 comes from.

The "given that you already rolled a four on the first die" is unneeded info in my opinion, because each die is separate or independent from one another.

8 0
2 years ago
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