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lara31 [8.8K]
2 years ago
15

Julie drove 495 miles in 9 hours what was julies average speed in miles per hour

Mathematics
1 answer:
Tpy6a [65]2 years ago
8 0

Answer:

55 miles per hour

Step-by-step explanation:

We just divide 495 by 9 which equals 55 m/h

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At which one of the following times is the angle between the hands of a clock exactly one straight angle? a)12:00 b)12:30 b)3:45
Marta_Voda [28]
12:00 will have both hands pointing up
12:30 will have the straight line at the half past part but it will not be exactly on the 12
3:45 it will be past the 3 and exactly on 45 so it will not work
And 6:00 will be a straight line as one hand will be at the 12 and and it will be straight on the 6 as it is on the hour so the answer is d
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3 years ago
Solve the system of equations using elimination: -8x-4y=4 and -5x-y=-11.
ziro4ka [17]

The solutions to the given system of equations are x = 4 and y = -9

<h3>Simultaneous linear equations</h3>

From the question, we are to determine the solutions to the given system of equations

The given system of equations are

-8x-4y=4  --------- (1)

-5x-y=-11   --------- (2)

Multiply equation (2) by 4

4 ×[-5x-y=-11 ]

-20x -4y = -44  -------- (3)

Now, subtract equation (3) from equation (1)

-8x -4y = 4  --------- (1)

-(-20x -4y = -44)  -------- (3)

12x = 48

x = 48/12

x = 4

Substitute the value of x into equation (2)

-5x -y = -11

-5(4) -y = -11

-20 -y = -11

-y = -11 + 20

-y = 9

∴ y = -9

Hence, the solutions to the given system of equations are x = 4 and y = -9

Learn more on Simultaneous linear equations here: brainly.com/question/26310043

#SPJ1

6 0
1 year ago
Use the midpoint formula to find the midpoint between the following 2 points<br> R(6,-6) and G (4,2)
Likurg_2 [28]

Answer:

(5,-2)

Step-by-step explanation:

6+4=10

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Pepsi [2]

Answer:

x = 12

Step-by-step explanation:

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(x)(3) = 6² (secant-tangent rule)

3x = 36

Divide both sides by 3

3x/3 = 36/3

x = 12

6 0
2 years ago
Please help this is worth 15 points!
irina1246 [14]

Answer:

A

Step-by-step explanation:

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2 years ago
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