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sdas [7]
4 years ago
12

Solve the linear equations -2x+5y=39 2x-3y=-25

Mathematics
1 answer:
nata0808 [166]4 years ago
4 0

Answer:

Step-by-step explanation:

hello :

-2x+5y=39 ....(*)

2x-3y=-25....(**)

add(*) and (**) : 2y =64    so : y =64/2 =  32

put this value in (*) : -2x+5(32) = 39 ....continu

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Faith needs 4 cups of fruit for a smoothie.
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Answer:

We have two fruits so we have following  choices to make exactly 4 cups of fruits:


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0                                   4    

1                                    3

2                                    2

3                                     1

4                                     0

In case 1: when she is using 4 cup of oranges so no need of blueberry.

In case 2: when she is taking 3 cup of oranges she will use 1 cup of blueberry to get exactly 4 cups of fruits.

case 3: when she is taking 2 cup of oranges she will use 2 cup of blueberries to get exactly 4 cups of fruits.

case 4: when she is taking 1 cup of orange she will use 3 cup of blueberries to get exactly 4 cups of fruits.

case 5: when she is taking 0 cup of orange she will use 4 cup of blueberries to get exactly 4 cups of fruits.

3 0
3 years ago
Which one is it ? I need help<br> 1. 60<br> 2. 55<br> 3. 65<br> 4. 180
Alexeev081 [22]
The answer should be 55
6 0
3 years ago
Read 2 more answers
Graph the linear function f(x) =3x+2 and find the maximum on the interval [-1,1]
Gelneren [198K]
The purple dot is the interval (-1,1) and I don't think maximum and minimum exist on linear functions :/

4 0
3 years ago
PLEASE HELP!! WILL MARK BRAINLIEST AND HELP YOU!!!
bearhunter [10]

given: s is the midpoint of rt

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4 years ago
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SSSSS [86.1K]

Answer:

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Step-by-step explanation:

the total amount is:

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2 years ago
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