anonymous
  • anonymous
For homework, Fred has to read 30 minutes daily. It takes him 2 minutes per page, and he spends 4 minutes viewing graphics in the book. If x represents the number of pages he reads, then 2x + 4 ≥ 30 represents the time he reads each day. What is the fewest number of pages Fred must read to complete his homework?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
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anonymous
  • anonymous
i believe its 13
anonymous
  • anonymous
yea i thot so
DanJS
  • DanJS
they gave you the inequality here, 2 min/page*(#pages) + 4 min >= 30 minutes total

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anonymous
  • anonymous
thx
anonymous
  • anonymous
i have another
anonymous
  • anonymous
ok
anonymous
  • anonymous
13
anonymous
  • anonymous
Which equation best represents the situation? Cara served pizza and punch at a party. Each pizza fed 6 people, and each guest received a glass of punch. If a glass of punch cost 50¢, and Cara spent $2.50 for each guest, what was the cost of each pizza?
DanJS
  • DanJS
solve for the range of x, the pages
anonymous
  • anonymous
ur too late dan lol
DanJS
  • DanJS
well they don't give you the inequality this time,,
anonymous
  • anonymous
Which equation best represents the situation? Cara served pizza and punch at a party. Each pizza fed 6 people, and each guest received a glass of punch. If a glass of punch cost 50¢, and Cara spent $2.50 for each guest, what was the cost of each pizza?
DanJS
  • DanJS
tso the concept has to be put together
anonymous
  • anonymous
can someone help me with this problem
anonymous
  • anonymous
Which equation best represents the situation? Cara served pizza and punch at a party. Each pizza fed 6 people, and each guest received a glass of punch. If a glass of punch cost 50¢, and Cara spent $2.50 for each guest, what was the cost of each pizza?
anonymous
  • anonymous
it says i gotta log in... the best way i can help you is by saying she only bought one pizza because she only had 5 guests
DanJS
  • DanJS
Each guest cost $2.50 total, that is the same cost as 1/6 of a pizza, and one glass of drink
DanJS
  • DanJS
put that into an equation 2.5 = p/6 + 0.5 balancing the $$
anonymous
  • anonymous
oh then the pizza would be twelve dollars?
anonymous
  • anonymous
a.x/6+.50=2.50 b.6x+.50x=2.50 c.x/6+50=2.50 d.6x-2.50=.50
DanJS
  • DanJS
1 guest cost 2.50 and consumed 1/6 a pizza and one drink 2.50 = x/6 + 0.5
anonymous
  • anonymous
so it would be a
DanJS
  • DanJS
yes,
anonymous
  • anonymous
oh yeah lol..
anonymous
  • anonymous
okay thx i have a couple more if you guys can help?
DanJS
  • DanJS
The main point is to read the thing a couple times, summarize it, and convert that to equation(s)
anonymous
  • anonymous
suuure
DanJS
  • DanJS
If you can keep track of units well, that makes it much easier
anonymous
  • anonymous
Which inequality best represents the situation? A pine tree grows at a rate of 1.5 feet per year. James plants a 2-foot tall pine tree in his yard. How many years will it take for the tree to be at least 14 feet tall?
anonymous
  • anonymous
okay dan
anonymous
  • anonymous
A. 2x + 1.5 ≥ 14 B. 2x – 1.5 ≤ 14 C. 1.5x + 2 ≥ 14 D. 1.5x – 2 ≤ 14
anonymous
  • anonymous
i think d
DanJS
  • DanJS
Here is my thought, 1)the tree grows at a constant rate, 1.5 ft / 1 yr, it must be a linear relationship
anonymous
  • anonymous
okay
anonymous
  • anonymous
so we divide
DanJS
  • DanJS
for each increase in yrs, the height grows the same amount, constant slope for a line
anonymous
  • anonymous
i think its c
DanJS
  • DanJS
says it starts at 2 ft tall, that is the value at time of zero, and the y intercept for the line
anonymous
  • anonymous
right so that means that we need to dive those 2 numbers
anonymous
  • anonymous
okay
DanJS
  • DanJS
they give you 1 point, and the slope, you can make an equation for a line
anonymous
  • anonymous
its c
DanJS
  • DanJS
y = m*x+b y = 1.5x + 2
anonymous
  • anonymous
hwo is that mega
anonymous
  • anonymous
oh so it is c y
anonymous
  • anonymous
exactly dans equation y = 1.5x + 2
anonymous
  • anonymous
ohhhhh right
anonymous
  • anonymous
okay
DanJS
  • DanJS
now that you know the equation for the line, y = 1.5*x + 2 they want to know when it will be at least 30 ft tall? the 1.5x + 2 has to be greater than or equal to 30 ft
anonymous
  • anonymous
is that it?
DanJS
  • DanJS
yes, that is how i would think thorugh it, basically
anonymous
  • anonymous
You want to find out how many cards were in Mona's deck at the beginning. Which situation about her game best represents the equation x/4+2=10 ?
anonymous
  • anonymous
Mona gave 4 players an equal number of game cards and then put 2 cards back in the box. After that, the first player had 10 cards. B. Mona gave 4 players an equal number of cards and then gave the first player 2 extra cards. After that, the first player had 10 cards. C. Mona gave 4 players an equal number of cards and then gave each player 2 additional cards. After that, each player had 10 cards. D. Mona gave 4 players an equal number of cards and then gave 1 more card to 2 players. After that, the first player had 10 cards.
anonymous
  • anonymous
I think b
anonymous
  • anonymous
no c
anonymous
  • anonymous
right?
DanJS
  • DanJS
from the question it is hard to tell, since there are no units for x and 10, cards vs players
DanJS
  • DanJS
so you have to read the responses, and figure that
anonymous
  • anonymous
hmmmm?
anonymous
  • anonymous
could u help me with that?
DanJS
  • DanJS
x is the number of cards in the full deck
anonymous
  • anonymous
okay
anonymous
  • anonymous
so we would subtract
anonymous
  • anonymous
without x
anonymous
  • anonymous
right?
anonymous
  • anonymous
come one mathlete
DanJS
  • DanJS
sorry, had to step away a second...
anonymous
  • anonymous
thats okay
DanJS
  • DanJS
the 4 is the number of players that was given, ...
anonymous
  • anonymous
right
DanJS
  • DanJS
the total cards x, was divided by the number of players, x/4
anonymous
  • anonymous
okay
anonymous
  • anonymous
so substract?
DanJS
  • DanJS
thif you look at the units there, you get cards per player cards / player the units have to be the same on both sides of the equation, so that constant 2, and 10 will also be cards/player
DanJS
  • DanJS
cards / player + cards / player = cards / player
anonymous
  • anonymous
so the answer is c right? or
DanJS
  • DanJS
sorry, i will restart, was distracted, and this is wrong.
anonymous
  • anonymous
what is ?
anonymous
  • anonymous
is is a ? do u know the answer?
anonymous
  • anonymous
talk to meh
anonymous
  • anonymous
hello?
anonymous
  • anonymous
hey umm? so i kinda dont have much time till i have to go so if you could just ya know help meh that would be awesome lol
anonymous
  • anonymous
so its c
anonymous
  • anonymous
right?

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