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3 years ago

Find the 7th term in the sequence -1, 2, -4, 8,...

Mathematics

1 answer:

forsale [732]3 years ago

7 0

Answer:

every other term is negative, so it would be -64

Step-by-step explanation:

hope it helps!

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If I have 150,000 crystals, and ONE costume cost 4,000 crystals, how many costumes can I buy total?

MArishka [77]

Okay, think of it this way:

You have to find how many times 4,000 goes into 150,000.

This will tell you how many costumes you can buy.

To make this easier, we can divide 4 by 150. (this is proportional to 4,000 and 150,000 since we took 3 zeros from each number; you will get the same answer)

150/4= 37.5

You can buy 37 whole costumes.

Hope this helped!

6 0

3 years ago

Solve three-halvesx – 4 = 16

Leto [7]

3/2x - 4 = 16

Add 4 to both sides.

3/2x = 20

Multiply by 2/3.

x = 13 1/3

4 0

4 years ago

1. General Trades A roofer earns $24 per hour plus $36 per hour overtime. If he puts in 40 hours of regular time during a certai

snow_tiger [21]

Answer:

He should work $6\frac{2}{3}$ hours in overtime.

Step-by-step explanation:

Let x represents the number of hours of regular time and y represents the number of hours of overtime,

Since, earnings are $24 per hour for regular time and $36 per hour for overtime,

Thus, total earning = (24x + 36y) dollars,

Here, x = 40 hours and total earning = $ 1200,

By substituting the values,

1200 = 24(40) + 36y

1200 = 960 + 36y

240 = 36y

⇒ $y = 6\frac{2}{3}\text{ hours}$

Hence, he should work $6\frac{2}{3}$ hours in overtime.

5 0

4 years ago

Solve for N, <br><br> −2p + 6n = 5

topjm [15]

Answer:

$n=\frac{1}{3}p+\frac{5}{6}$

Step-by-step explanation:

In this question, you are solving for n.

Solve:

−2p + 6n = 5

We have to get "n" by itself, so add 2p to both sides.

6n = 2p + 5

Since the variable "n" has a number next to it, we have to get rid of that number in order to get our answer.

To do so, we would divide both sides by 6.

$n=\frac{2}{6}p+\frac{5}{6}$

Simplify the equation further.

$n=\frac{1}{3}p+\frac{5}{6}$

5 0

3 years ago

Who do I do this problem

Leviafan [203]

You subtract 16 from each side of the equation.
Then it will say exactly what number 'n' is.
_______________________________________

The equation is n + 16 = 9

On the left side, you subtract 16 from (n + 16) and you have 'n'.

On the right side, you subtract 16 from 9 and you have -7 .

Now the equation says n = -7

3 0

3 years ago