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strojnjashka [21]
2 years ago
15

Jason has 4 gallons of hand sanitizer that contains 25% alcohol. He wants to make a hand sanitizer that contains 50% alcohol. Ho

w many gallons of pure alcohol should he add?
Mathematics
2 answers:
Reptile [31]2 years ago
5 0
4 gallons = 25% alcohol
He wants 50% alcohol, therefore, let’s double the amount.

8 gallons = 50% alcohol

Answer is 4 more gallons should be added to have 50% alcohol
Afina-wow [57]2 years ago
3 0

Answer:

Blah

Step-by-step explanation:

Blah Blah Blah

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2. Create a linear function that has a rate of change of 3 and a solution at (6, 12).
Ksivusya [100]

Answer:

y = 3x - 6

Step-by-step explanation:

A linear function has the following format:

y = ax + b

In which a is the slope(rate of change) and b is the y-intercept, that is, the value of y when x = 0.

Rate of change of 3

This means that a = 3

So

y = 3x + b

A solution at (6, 12).

This means that when x = 6, y = 12. So

y = 3x + b

12 = 3*6 + b

b = -6

The linear function is:

y = 3x - 6

4 0
3 years ago
10.<br> 9. Solve the equation (x-2)(x+2) = 0<br> (4F)<br> A. 02,0<br> B. O-2, 2<br> C.O-2<br> D. 2
masha68 [24]

Answer:

x=2 or x=-2

Step-by-step explanation:

I'm not sure what you're asking, but when you solve, set both sets of parentheses equal to 0 and solve. This makes x either equal to 2 or -2.

4 0
2 years ago
Good at math &amp; need points? help!!
Greeley [361]

Answer:

5

Step-by-step explanation:

5 0
3 years ago
Is this a function?<br>​
zhuklara [117]
No I don’t believe it is
4 0
2 years ago
The local newspaper has letters to the editor from 10 people. If this number represents ​%5 of all of the​ newspaper's readers,
Margarita [4]
Answer:
I think it is 200
4 0
3 years ago
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