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maria [59]
4 years ago
8

how much of other chemicals must be evaporated from 400grams of a hand sanitizer that is 24% alcohol to strengthen it to a hand

sanitizer that is 30% alcohol? correct your answer to the nearest whole number

Mathematics
2 answers:
lesya692 [45]4 years ago
8 0

Answer:

llolololol

Step-by-step explanation:

Tcecarenko [31]4 years ago
5 0

Answer:80 grams

Step-by-step explanation:

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I only need to know is it 360 or 180?
Sveta_85 [38]

Answer:

So we know that all angles add up to 360. We first subtract it by 81

Now we have 279 as an answer. But since 2w + 81 cant be 360 because it doesn't add up because you have to spaces in between them. It adds up to 180 not 360

<h2><u>From your question its 180</u></h2>

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3 years ago
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Which could be the measures of the three angles of an acute triangle.
slavikrds [6]
D
An acute angle is less than 90 degrees 
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What is 2b+9 when b=13​
Misha Larkins [42]

Answer:

35

Step-by-step explanation:

plug in 13 for b, 2(13)+9 then multiply and add

3 0
3 years ago
Determine which equations below, when combined with the equation 3x-4y=2, will form a system with no solutions. Choose all that
svetoff [14.1K]
Two equations will not have solution if they are parallel and have different y-intercepts. Parallel lines have the same slope. In a slope-intercept form, the equation of the line can be expressed as,       
 
        y = mx + b 

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

Given: 3x - 4y = 2
Slope-intercept: y = 3x/4 - 1/2

A. 2y = 1.5x - 2
Slope-intercept: y = 3x/4 - 1

B. 2y = 1.5x - 1
Slope-intercept:  y = 3x/4 - 1/2

C. 3x + 4y = 2
Slope-intercept:  y = -3x/4 + 1/2

D. -4y + 3x = -2
Slope-intercept: y = 3x/4 + 1/2

Hence, the answers to this item are A and D. 
6 0
3 years ago
Which function has the given properties below? the domain is the set of all real numbers. one x-intercept is (startfraction pi o
melomori [17]

The required function with maximum value 3 and x and y-intercepts π/2 and 3 respectively is y=-3cos(x)

<h3>What is a function?</h3>

A function is a rule that relates two variables.

Let us check the x-intercept, y-intercept, and maximum value for each function.

1)y =-3Sin(x)

for x-intercept put y=0

0 = -3Sin(x)

Sin(x) =0

x=0

for y-intercept put x=0

y=-3Sin0

y=0

The maximum value of the given function =the lower limit of the range of -3Sin(x) i.e. 3

Similarly, for y = -3cos(x)

x-intercept =π/2

y-intercept = 3

Maximum value of function = lower limit  of the range of  3cos(x) i.e. 3

Therefore, the required function with maximum value 3 and x and y-intercepts π/2 and 3 respectively is y=-3cos(x)

To get more about functions visit:

brainly.com/question/17043948

3 0
2 years ago
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