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mina [271]
3 years ago
12

What is the distance from m(-1,6) to n(11,1)

Mathematics
1 answer:
NARA [144]3 years ago
7 0
13

The formula for distance is √(x2-x1)^2 + (y2-y1)^2
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A pharmacist needs 500 milliliters of a 20% phenobarbital solution but has only 5% and 25% phenobarbital solutions available. Fi
sladkih [1.3K]

Let x be ml of 5% soln.

let 500-x be ml of 25% soln.

.

x*.05=.05x

(500-x)*.25=125-.25x

500*.20=100

.

.05x+125-.25x=100

-.2x=-25

x=-25/-.2

x=125 ml of 5% soln.

500-x=375 ml of 25% soln.

.

Check:

125*.05= 6.25

375*.25=93.75

---------------

========100

7 0
3 years ago
If the original length are multiple by 1/3 what are the new coordinates
Olenka [21]

Answer:

2

Step-by-step explanation:

7 0
3 years ago
What is the equation of the line that passes through the point (5,-2) and has a slope of 6/5?
noname [10]

Answer:

y=6/5x-8

Step-by-step explanation:

Hi there!

We want to find the equation of the line that passes through (5, -2) and has the slope of 6/5

We can write the equation of the line in slope-intercept form, which is y=mx+b, where m is the slope and b is the y intercept.

Since we are already given the slope of the line, we can immediately plug it into the equation:

y=6/5x+b

Now we need to find b

Since the equation passes through the point (5, -2), we can use it to solve for b

Substitute 5 as x and -2 as y:

-2=6/5(5)+b

Multiply

-2=6+b

Subtract 6 from both sides

-8=b

Substitute -8 as b.

y=6/5x-8

Hope this helps!

6 0
2 years ago
Sorgan Hemdon
goldenfox [79]

Answer:

so a perpendicular line's slope will be the opposite reciprocal

in 4r-10y=40 the slope of this line is 4/10(-a/b). So the slope of the perpendicular line would be -10/4 (-5/2) hope this helps!

3 0
4 years ago
1/2 : 10 = 2 12 : x<br> What is the value of x
liberstina [14]
I am probably wrong but with the math I do I got 35
6 0
3 years ago
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