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nevsk [136]
3 years ago
12

School nurse can give 25 I test two hours. How long will it take for the nurse to give a test to all 600 students in the school

Mathematics
1 answer:
rjkz [21]3 years ago
5 0
It will take 12 hours
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What is the answer for y=3x+6
kirza4 [7]

Answer:x=(y-6)/3

Step-by-step explanation:

7 0
3 years ago
HELP! Please! A car is traveling at a rate of 15 meters per second. What is the car's rate in kilometers per hour? How many kilo
gizmo_the_mogwai [7]

Answer:

0.06km

Step-by-step explanation:

15÷1000=0.0015

0.0015×4=0.06

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3 years ago
A pair of equations is shown below: y = 8x − 9 y = 4x − 1 Part A: Explain how you will solve the pair of equations by substituti
babunello [35]

Answer:

see below

Step-by-step explanation:

y = 8x − 9

y = 4x − 1

Since the two equations are both equal to y set them equal to each other

8x -9 = 4x-1

Subtract 4x from each side

8x - 9 -4x = 4x-1-4x

4x -9 = -1

Add 9 to each side

4x-9+9 = -1+9

4x = 8

Divide by 4

4x/4 = 8/4

x=2

Now find y

y =4x-1

y = 4(2) -1

y = 8-1

y = 7

(2,7)

The solution to the system of equations is where the two lines intersect.  When  the two lines are graphed, they will intersect at (2,7)

7 0
4 years ago
How many students in the survey said that math was their<br> favorite subject?
vaieri [72.5K]

Answer:20

Step-by-step explanation:

6 0
3 years ago
Your skateboard ramp is 2 3/8 feet high. Your friend's skateboard is 2 2/5 feet high. which skateboard is higher?
Zinaida [17]

Answer:

2-3/8  =  2.375

2-2/5  =  2.4

2.4 - 2.375  =  0.025

Your friend's skateboard ramp is 0.025 foot higher

than your skateboard ramp is.

That's about  1.1%  higher . . . 0.3 inch, or about  7.62 milometers.

6 0
3 years ago
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