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oksian1 [2.3K]
2 years ago
15

Solve for the value of z: 14/5 = z/24 ____?

Mathematics
2 answers:
rodikova [14]2 years ago
5 0

Answer:

I agree with adeline23 it is 67.2

Step-by-step explanation:

5z =14*24

5z = 336

z = 336/5

z= 67.2

natka813 [3]2 years ago
3 0

Answer:

Step-by-step explanation:

Cross multiplying

5z =14*24

5z = 336

Divide by 5

z = 336/5

Or mixed fraction z= 67(1/5)

Decimal z= 67.2

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Endpoints of segment MN have coordinates (0, 0), (5, 1). The endpoints of segment AB have coordinates (1 1/2 , 2 1/4 ) and (−2 1
Zielflug [23.3K]

Answer:

k=21

Step-by-step explanation:

Find the slope of MN which is 1/5 (use the slope formula)

Use the slope formula for AB using k as y_2

Substitute and you get k=21

21-2.25/-2.25-1.5=-5

The lines are perpendicular because the slopes are the negative reciprocal of one another.

7 0
3 years ago
To reduce 16 ounces of a 25% solution of antiseptic to a 10% solution, how much distilled water should a nurse add?
yan [13]

Answer:

24 ounces

Step-by-step explanation:

Here's a more intuitive approach to use here.

You know that your initial solution has a percent concentration, presumably volume by volume, of  

25

%

. This means that any volume of this solution contains  

1

part solute and  

3

parts solvent.

The target solution must have a concentration of  

10

%

, which means that any volume of this solution will contain  

1

part of solute and  

9

parts solvent.

Your starting solution has a volume of  

16

ounces, or  

4

parts, each with a volume of  

4

ounces.

In order to get to a solution that has a total of  

10

parts, you must add  

6

parts of solvent to the initial solution. Since we know that

1 part  

=

4 ounces

it follows that you must add

6

parts

⋅

4 ounces

1

part solvent

=

24 ounces

of distilled water, which is your solvent, to the initial solution.

The target solution will contain  

1

part solute and  

9

parts distilled water for a total of  

10

parts of solution, and hence have a percent concentration of  

10

%

.

7 0
3 years ago
Solving system of equations using elimination 3x-3y=-6 , -5x+6y=12
suter [353]

Answer:

x=0, y=2

Step-by-step explanation:

Please see attached picture for full solution.

3 0
3 years ago
Somebody help.. im so lost!!
aleksley [76]
What type of math is this?
4 0
2 years ago
A department store uses a markup of 40%. Calculate the selling price of a shirt that cost the retailer $25.
drek231 [11]
The answer is a. $35. First you multiply 25 by .40. Then you add the product to 25.
8 0
3 years ago
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