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Ludmilka [50]
3 years ago
11

Solve the system of equations using the elimination method x+3y= -15 -3x+2y=23​

Mathematics
1 answer:
lions [1.4K]3 years ago
6 0

Answer: i cannot see the equations so I can't solve it

Step-by-step explanation:

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What do you add to 3 4/7 to make 6??
Alla [95]
You'll need to add 2 3/7 to <span> 3 4/7 to make 6. 
3 + 2 = 5 4/7 + 3/7 = 7/7 =1 
5+1=6</span>
6 0
3 years ago
The cost c, to produce b baseball bats per day is modeled by the function c(b)=0.06b^2 - 7.2b + 390. What number of bats should
Finger [1]
You have two choices.
The minimum possible cost to operate your bat factory for a day is $390,
and there are two quantities of bats that both cost that much.

One possibility: 
                   Produce no bats at all per day.  Zero.  Nada.  None.
                   Cost = 0.06(0)²  -  7.2(0)  +  390  =  $390 per day.

The other choice:
                   Produce  120 bats per day.
                   Cost = 0.06(120²)  -  7.2(120)  +  390
                          = 0.06(14,400)  -  7.2(120)  +  390
                          =      864          -      864      +  390
                          =      $390  per day.

If you produce any other number of bats in a day ... more than zero
but not 120 ... then it will cost you more than $390 to operate the factory
that day.
8 0
3 years ago
Can somebody help me with this it a little hard
raketka [301]

24 3-pound bags(72 pounds) and 10 5-pound bags(50 pounds). 72+50 = 122 pounds, 24+10 bags = 34 bags.

7 0
3 years ago
HELP !!!!!!!!!!!!!!!!!!!!!!!
Lelu [443]

Answer:

25\pi Or 78.5 units³

Step-by-step explanation:

1/3πr²h

1/3xπx25x3=25π or 78.5

7 0
2 years ago
Read 2 more answers
Determine the end behavior for function ƒ(x) = –x(x – 8)(2 – x).
saveliy_v [14]
It's a cubic with a positive x^3 coefficient. The general shape is "/".

It goes to -∞ for large negative x.
It goes to +∞ for large positive x.

4 0
3 years ago
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