Algebra Answers

and Emily each go to a hardware store to buy wire. The table shows the cost y in dollars for x inches of the wire they need. Andy needs 25 feet of the wire. Emily needs 14 yards of the wire. How much will each of them spend for​ wire?

Cost of Wire
Length in Inches​ (x) Cost in Dollars​ (y)
100 5.00
145 7.25
150 7.50
185 9.25

How much will emily spend for her wire.

jordan and ethan sell popcorn for their scout troop. The troop earns $12 for every $24 of popcorn sold. How much will the troop earn if the boys sell $48 worth of popcorn? If they sell $84 worth of popcorns?

4th grade- pattern and sequence

A Sociology instructor gives students points for each​ discussion-board post and points for each reply to a post. Ana wrote 9 posts and 15 replies and received 255 points. Jae wrote 6 posts and 5 replies and received 130 points. Determine how many points a discussion post is worth and how many points a reply is worth.

1. Suppose there are m Martians and n Earthlings at an intergalactic peace conference. To ensure the Martians stay peaceful at the conference, we must make sure that no two Martians sit together, such that between any two Martians there is always at least one Earthling.


(a) Suppose all m+n Martians and Earthlings are seated in a line. How many ways can the Earthlings and Martians be seated in a line?

(b) Suppose now that the m+n Martians and Earthlings are seated around a circular round-table. How many ways can the Earthlings and Martians be seated around the round-table?
And
2. How many positive integers does 6000 have?

The numbers 1 to 8 are written on seven balls. Miyad took five balls from there
such that if he multiplies the numbers of the balls and than say it to Mursalin, then
Mursalin can’t say the number of the balls surely. In how many ways Miyad can
do this?

(X-3)^2 equals to

3(6x+2y)=x-8y-10

Jessica has 9 stamps. Kenji has 3 times as many stamps as Jessica. How many fewer stamps does Jessica have than Kenji?

Jessica - ____

Kenji - _____ _____ ____


4th grade weekly homework

28th term: 0, -4, -8, -12, ...

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