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Natali [406]
2 years ago
11

Lan Ying and Sean love bike riding. They take off from the same place, at the same time, going in the same direction. Lan Ying r

ides at a steady speed of 6 km/h, and Sean rides at a steady speed of 4km/h. How far apart will they be in 3 hours?
Mathematics
1 answer:
lesya [120]2 years ago
7 0

Answer:

6 Kilometers.

Step-by-step explanation:

Try not to overthink these questions! They are easy if you just think of them in simple terms!

6 km * 3 h = 18 km

4 km * 3 h = 12 km

18 km - 12 km = 6 km.

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vehicle is moving with 20 m/s towards the east and another is moving with 15 m/s towards the west. If both vehicle being to more
den301095 [7]
4,200 meters
Or 4.2 km
Hope this helps good luck tho :)
5 0
3 years ago
Read 2 more answers
What is 2/3x=10 one step equations
stellarik [79]
Multiply both sides by three to get 2x=30
Then divide both sides by 2 to get x=15
7 0
3 years ago
Help 1 and 4 fast please
AlekseyPX

Answer:

1)

\leq : Less than or equal to\\\geq :Greater than or equal to\\:greater than

Step-by-step explanation:

N/A

also what is your inequality problem

3 0
3 years ago
!TWELVE POINTS + BRAINLIEST ANSWER! Write the equation for an ellipse with y intercepts (0,-3) and (0, 3) and major axis of leng
Mandarinka [93]

Answer:

x²/25 + y²/9 = 1  or 9x² + 25y² = 225

Step-by-step explanation:

We have two points which is y intercepts (0,-3) and (0,3).

We know that the major axis is 2a and secondary axis is 2b

These two points are vertical top of the ellipse which they give us value of half secondary axis  b = 3

The length of major axis is 2a = 10 => a = 10/2 = 5 => a = 5

The equation of the ellipse is:

x²/a² + y²/b² = 1  or b²x² + a²y² = a²b²

When we replace value of a and b we get:

x²/5² + y²/3² = 1  or 3²x² + 5²y² = 5² · 3²    and finally

x²/25 + y²/9 = 1  or 9x² + 25y² = 225

God with you!!!

8 0
4 years ago
5 square flower beds each of side 2 metres are are dug on a a piece of land that is 10 metre long 8 metre wide. what is area of
jarptica [38.1K]

Answer:

Step-by-step explanation:

Piece of land:

Length = l = 10 m & width = w = 8 m

Area of land = l*w

                     = 10 * 8

                     = 80 square meter.

Flower bed:

Side = 2 m

Area of one square flower bed = side * side = 2 *2 = 4 square meter

Area of 5 flower bed = 5 *4 = 20 sq.m

Area of the remaining land = Area of piece of land - area of 5 flower bed

                 = 80 - 20

                 = 60 sq. m

6 0
3 years ago
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