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Dennis_Churaev [7]
3 years ago
8

a grocery store that sells three different quantities of sugar a one pound bag cost $1.10 a,pound bag cost $1.98 and 3 pound bag

cost $2.85 travel the unit cost changes as the quantity of sugar increases
Mathematics
1 answer:
Mazyrski [523]3 years ago
7 0
One pound bag cost $1.10
2 pound bag cost $1.98      which is .99 per pound
3 pound bag cost $2.85      which is .95 per pound

The more amount you buy the cheaper it is per pound. 
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Find the value of x (4x-9) (3x+29)
polet [3.4K]

Answer:

12x³+89x²-261x (?)

Step-by-step explanation:

For this equation, I am going to assume you want to find the value of the expression and you're multiplying all the values (since you can't find the value of x with this unless you had an equation).

(x)(4x-9)(3x+29)

(4x²-9x)(3x+29)

12x³+89x²-261x

8 0
3 years ago
If y = 124 and x = 12, find y when x = -24.
tatyana61 [14]

Answer:

y = -248

Step-by-step explanation:

Hi there!

Set up a proportion:

\displaystyle\frac{124}{12} =\frac{y}{-24}

Cross-multiply:

12y=(-24)(124)\\12y=-2976\\y=-248

I hope this helps!

7 0
2 years ago
Sally has twice as many dimes as nickels. The total value is $3.50 how many nickels and dimes does she have?
Murljashka [212]
D=2n
.05n+.1d=3.5
I multiplied the nickels and dimes by these values because that is their actual monetary value 
.05n=3.5-.1d
multiply everything by 20
n=70-2d
d/2=70-2d
.5d+2d=70 
2.5d=70
d=28 
n=14 
so there are <u>28 dimes and 14 nickels 
</u>
checking this answer 
28 dimes = $2.8
14 nickels = .70
2.8+.7=3.5

3 0
3 years ago
Read 2 more answers
I need help fast!!!!!!!!!!!!<br><br> Pls what is 1 + 7 i cant figure it out
azamat

Answer:

1+7=8

Step-by-step explanation:

I hope it helps

carryonlearning

5 0
2 years ago
Please help! thank you guys!!! :)
Wittaler [7]

Answer:

B

Step-by-step explanation:

4 0
2 years ago
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