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m_a_m_a [10]
3 years ago
6

A store is having a sale on jelly beans and almonds. For 2 pounds of jelly beans and 5 pounds of almonds, the total cost is $10

. For 8 pounds of jelly beans and 3 pounds of almonds, the total cost is $23 . Find the cost for each pound of jelly beans and each pound of almonds.
Mathematics
1 answer:
pickupchik [31]3 years ago
7 0
 For this question it is going to be 80 $.
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A Rectangular has area 12a^2 and perimeter 14a what are the dimensions of this Rectangular?​
Nataliya [291]

9514 1404 393

Answer:

  3a by 4a

Step-by-step explanation:

For dimensions L and W, the area and perimeter are ...

  A = LW = 12a^2

  P = 2(L+W) = 14a

Using the second equation, we can find L:

  L +W = 7a . . . . . divide by 2

  L = 7a -W

Substituting into the area formula gives the quadratic ...

  (7a -W)(W) = 12a^2

  W^2 -7aW +12a^2 = 0 . . . . arrange in standard form

  (W -3a)(W -4a) = 0 . . . . . . . factor (find factors of 12 that total 7)

Then we have the two solutions ...

  W = 3a, L = 4a

  W = 4a, L = 3a

The rectangle dimensions are 3a by 4a.

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3 years ago
Write a function rule for the following geometric sequence.
Natasha2012 [34]
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3 0
3 years ago
5a+4b/c=2 [solve for a]
bagirrra123 [75]

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3 0
3 years ago
Find gf(2) if f(x)=2x+1,g(x)=3x-2
natali 33 [55]

Answer:

13

Step-by-step explanation:

To find g f(2) , evaluate f(2) and substitute the value obtained into g(x)

f(2) = 2(2) + 1 = 4 + 1 = 5 , then

g(5) = 3(5) - 2 = 15 - 2 = 13

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3 years ago
Tom has 2 more than 5 times the number of CD’s that Jane has. Jane has 5 CD’s. Write an
Soloha48 [4]

Step-by-step explanation:

t=2+5×j

j=5

t=2+5×5

t=27

3 0
2 years ago
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