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Mazyrski [523]
3 years ago
12

-6x+6y=-12, -3x-10y=-19

Mathematics
1 answer:
KonstantinChe [14]3 years ago
5 0

Answer for #1:

x=y+2

Answer for #2:

x=\frac{-19+10y}{3}

The images show the work.

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Exponential functions have the form f(x)=b^x. What type of an exponential function would you have (increasing or decreasing) if
adoni [48]

Answer:

Increasing

Step-by-step explanation:

Let's see what happens if we choose a value for b greater than 1.

Let's try b=2.

f(x)=2^x.

I'm going to keep increasing x. If y increases, the the function is increasing. If y decreases, the function is decreasing.

Let's start with x=1.

y=2^1=2

Now x=2.

y=2^2=4

The y's got higher as you increased x so the function is increasing.

8 0
3 years ago
Two glasses of milk and three snack bars have a total of 72 carbs. and 4 glasses of milk and 2 snack bars have a total of 88 car
melisa1 [442]

Answer:

one glass of milk = 15 carbs

one bar = 14 carbs

Step-by-step explanation:

let 'm' = one glass of milk

let 'b' = one snack bar

system of equations:

2m + 3b = 72

4m + 2b = 88

I used the elimination method and multiplied the 1st equation by -2

  -4m - 6b = -144

+  <u>4m + 2b =  88</u>

           -4b = -56

              b = 14

now solve for 'm'

2m + 3(14) = 72

2m + 42 = 72

2m = 30

m = 15

7 0
3 years ago
4688-3) -30X-5 CX-5)
pshichka [43]

Answer:

x = 13/3

Step-by-step explanation:

4(8x-3) - 30x = 5(x-5)

Distribute

32x - 12 - 30x  = 5x -25

Combine like terms

2x -12 = 5x-25

Subtract 2x from each side

2x-12-2x = 5x-2x -25

-12 = 3x-25

Add 25 to each side

-12+25 = 3x-25+25

13 = 3x

Divide each side by 3

13/3 = x

4 0
3 years ago
Read 2 more answers
In 6^3 what is the 3 called?
Musya8 [376]

Answer:

its an exponent

Step-by-step explanation:

6 0
3 years ago
What is the value of x? O 13 O 14 O 26 O 28​
BartSMP [9]

It’s A. 13


hope this helps

7 0
2 years ago
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