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lord [1]
2 years ago
5

How many liters of 70% alcohol solution and 30% alcohol solution must be mixed to obtain 8 liters of 60% alcohol solution?

Mathematics
1 answer:
vfiekz [6]2 years ago
8 0
A Hi complete the table shown with an expression need to solve the problem and solve in
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The point-slope form of the equation of the line that passes through (–9, –2) and (1, 3) is y – 3 = (x – 1). What is the slope-i
Oksana_A [137]

Answer:

the slope intercept form is: y = x+2

Step-by-step explanation:

The general form of point slope form is : y-y₁ = m(x-x₁)

The given equation is: y – 3 = (x – 1)

comparing we get,

m = 1

and solving the equation;

y-3 = x-1

Adding +3 on both sides

y = x-1+3

y=x+2

The general formula of slope-intercept form is : y = mx+b

where m is the slope and b is the y-intercept

so, y = x+2

where m =1 and b=2

so, the slope intercept form is: y = x+2

7 0
3 years ago
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There are 9 tennis balls in 3 cans. What is the rate of number of tennis balls to number of cans?
garri49 [273]

ivied the total number of tennis balls buy the number of cans to see how many tennis balls are in 1 can

9 divided by 3 = 3

 there are 3 tennis balls per can

 fraction would be 3/1  ( meaning 3 balls to 1 can)

6 0
2 years ago
The equation below represents Function A and the graph represents Function B:
polet [3.4K]

Answer:

  Slope of Function B = 2 x Slope of Function A.

Step-by-step explanation:

The graph of Function B shows its slope to be 4 units up for 1 unit to the right, so 4.

The equation for Function A shows its slope to be the coefficient of x, so 2.

___

4 is 2 times 2, so ...

  the slope of Function B is 2 times the slope of Function A.

6 0
3 years ago
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How to find the vertex and axis of symmetry
strojnjashka [21]
Use the equation of -b/2a, so if you have a line you can just plug in the numbers.
3 0
3 years ago
A local pizza shop has a membership program for frequent buyers. The membership costs $10 per month and members get a discounted
dmitriy555 [2]

Answer:

Monthly cost = $10 + $1.75x

Step-by-step explanation:

Given the following :

Membership cost = $10 per month

Discounted price for members = $1.75 per slice of pizza

If Autum purchased the membership, the monthly cost for x slices of pizza

Monthly cost of x slices will be :

Membership cost + (discounted price * number of slices)

Monthly cost = $10 + ($1.75 * x)

Monthly cost = $10 + $1.75x

8 0
3 years ago
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