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liberstina [14]
3 years ago
9

Can someone answer this and I’ll give thanks and brainliest please

Mathematics
1 answer:
Andrei [34K]3 years ago
3 0

Answer:

420

Step-by-step explanation:

brainliest?

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Jack and Jill live 126 km apart. They want to leave their homes at the same time,
Digiron [165]

Answer:

Both will leave their homes to meet on time at 9 am  

Step-by-step explanation:

Given as, Distance between Jack  and Jill = 126 km

Speed of Jack rides = 18 kilometers per hours

Speed of Jill rides     = 24 kilometers per hours

Let the distance travel by Jack = x km

And the distance travel by Jill  =  (126 - x ) km

Time taken by Jack and Jill = T hours

Now , Distance = Speed × Time

So,     x = 18 × T

And  126 - x = 24 × T

Or,    126 - x =  24 × \frac{x}{18}

Or,    126 - x =  x × \frac{4}{3}

Or,    378 - 3x = 4x

Or,    378 = 7x

i.e x = \frac{378}{7} = 54 km

And distance travel by Jill = 126 - 54 = 72 km

So, time taken by Jack = \frac{x}{18} = \frac{54}{18}

Or, Time taken by Jack = 3 hours

Similarly Time take by Jill = \frac{72}{24} = 3 hours

∵ Both Jack and Jill will take 3 hours to meet at 12 : 00 pm

Hence, Both will leave their homes to meet on time at 9 am   Answer

7 0
3 years ago
1.The base length of a rectangle is multiplied by 8. How does this affect the area?
stiv31 [10]

Answer:

1. C - 8x bigger

2. D - 16x bigger

3. A - 3x bigger

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Given b = 4 and c = -5, evaluate b 2 - c 2.<br><br> 41<br> -2<br> -9
LekaFEV [45]
I hope this helps you

6 0
3 years ago
A bicyclist travels at a constant rate of 11miles in 1/4hour. Find the unit rate of the hikers in miles per hour
MissTica
11 miles in 1/4 hour
1/4 of an hour is 15 minutes
so 11 in 15 minutes
x /60 = 11/15
cross multiply
x*15 = 60 * 11
15x = 660
divide both sides by 15
x = 44

the unit rate of the hikers in miles per hour is 44 mph.

You can also solve like this
1/4 of hour is 15 minutes
to get to the whole hour you would multiply by four
so you'd (11miles in 1/4 hour) * 4
44 miles in 1 hour

Hope this helps :)
7 0
3 years ago
Hello everyone I’m struggling can you help me?
Debora [2.8K]

Answer:

5x+14

Step-by-step explanation:

combine 7x and -2x

combine -10 and 24

8 0
3 years ago
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