A worker at a clothing company uses 200 buttons to make 50 shirts.At this rate, how many buttons would the worker use to make 35

0 shirts ?

Mathematics

1 answer:

erik [133]3 years ago

3 0

$\begin{array}{ccc}200\ buttons&-&50\ shirts\\\\x\ buttons&-&350\ shirts\end{array}\ \ |cross\ multiply\\\\\\50x=200\times350\ \ \ \ |divide\ both\ sides\ by\ 50\\\\x=\frac{200\times350}{50}\\\\x=4\times350\\\\\boxed{x=1400}\\\\\boxed{\boxed{Answer:1400\ buttons/350\ shirts}}$

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A). A(n)= 46-n * (4-1)<br> B). A(n)= 46 - (n-1)*4<br> C). A(n)= 46 - 4^n-1<br> D). A(n)= 46 - 4^n+1

UkoKoshka [18]

I think it is answer C.

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3 years ago

-4t=15=-1 what is t

Alexandra [31]

Answer:

-4

Step-by-step explanation:

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3 years ago

What is the sum of the first 100 terms of the sequence 4,9,14,19, ...?

Nadya [2.5K]

Answer:

25150

Step-by-step explanation:

First, we have to see that this is an arithmetic sequence... since to get the next element we add 5 to it. (a geometric sequence would be a multiplication, not an addition)

So, we have a, the first term (a = 4), and we have the difference between each term (d = 5), and we want to find the SUM of the first 100 terms.

To do this without spending hours writing them down, we can use this formula:

$S = \frac{n}{2} * (2a + (n - 1) * d)$