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Serjik [45]
2 years ago
10

The concert ended at 6:30. If It lasted one hour and 30 mins,what time did it start

Mathematics
2 answers:
lesya [120]2 years ago
8 0

Answer:

It started at 5

Step-by-step explanation:

MA_775_DIABLO [31]2 years ago
3 0

Answer:

5:00

Step-by-step explanation:

6:30 - :30= 6:00

6:00 - an hour = 5:00

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Which inequality represents the value of x that ensures triangle abc exists?
olasank [31]

Answer:

Option A.

Step-by-step explanation:

According to triangle inequality theorem, a triangle exists if the sum of two sides is greater that third side.

Apply this theorem on each combination.

Case I: (2x+4)+6x>18

8x+4>18

8x>14

x>\dfrac{14}{8}

x>\dfrac{7}{4}      ...(1)

Case II: (2x+4)+18>6x

2x+22>6x

22>4x

\dfrac{22}{4}>x

\dfrac{11}{2}>x     ...(2)

Case III: 6x+18>2x+4

6x-2x>4-18

4x>-14

x>-\dfrac{14}{4}

x>-\dfrac{7}{2}     ...(3)

On combining (1), (2) and (3), we get

\dfrac{7}{4}

Therefore, the correct option is A.

3 0
3 years ago
the length of a rectngle is 8/3 times as great as its widthwhat is the width if the length of a rectangle is 24 ft.
laila [671]
L=(8/3)W = 24 ft.  Solving for W, we mult. both sides of this eqn by (3/8), obtaining

W = (3/8)(24 ft) = 9 ft (answer)
4 0
3 years ago
15. A birdhouse and the pole that it is on cast a shadow 15 feet long. If a person standing
never [62]

Answer:

12

Step-by-step explanation:

15 feet total amount combined by pole and birdhouse

4 foot tall person makes 5 feet long shadow

5x3=15

4x3=12 so the birdhouse and pole are 12 feet

4 0
2 years ago
A subway train is traveling at a rate of 22.4 m/s. Brakes are applied and it slows down at a constant rate of 3.5 m/s2 until it
WARRIOR [948]

You use the equation Final Velocity²= (Initial Velocity)² 2(Acceleration)(Distance). You plug in what you have 0²=22.4² X 2(-3.5)(D) and solve for D which is 71.68m or about 72m.

6 0
2 years ago
tell me how to study speed of 8 2/5 miles per hour how long will it take to get to travel 5 1/2 miles ​
Akimi4 [234]

Answer:

I dont now plz sorry 0000000

8 0
2 years ago
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