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pentagon [3]
2 years ago
5

Paolo and Monika are both travelling by train.

Mathematics
1 answer:
Sauron [17]2 years ago
6 0

Answer:

32 km/hr

Step-by-step explanation:

Firstly, you need to find the speed of both trains in km/hr.

Paolo's train= (70km x 60hr)/35= 120 km/hr

Monika's train= 684km/4.5hr= 152 km/hr

Then find the difference in speed:

152-120=32 km/hr

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Is 5a-9b+a-6b equal to 6a-15?
pashok25 [27]
Surely not;
5a+a-9b-6b
6a-15b
So,
5a-9b+a-6b=6a-15b
It's not equal to 6a-15


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3 years ago
Differences between 9/11 and pearl harbor
PtichkaEL [24]
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3 years ago
I need help combining like terms 2-x^3-4+3y+y+y+5
OLEGan [10]

Answer:

-x³ + 5y + 3

Step-by-step explanation:

It helps to rewrite the given polynomial according to its degree (exponent), in <u>descending</u> order. Also, for variables without a coefficient, it helps to include "1" with it to make it less confusing when combining like terms.

- x³ + 3y + ( 1 )y + ( 1 )y + 5 + 2 - 4

One way to simplify a polynomial is to combine the like terms if there are any. Two or more terms in a polynomial are like terms if they have the same variable(s) with the same exponent.

- x³ is the only term with an exponent of 3, so we wouldn't have to combine it with other terms. We need to combine the terms with the variable "y," as they have the same degree of 1.

- x³ + 5y + 5 + 2 - 4

Lastly, combine the constants (5 + 2 - 4):

- x³ + 5y + 3

Please mark my answers as the Brainliest if you find my explanations helpful :)

3 0
3 years ago
How to get from 90 to 100 using multiplication or division
Nutka1998 [239]

Answer:

multiply 10 and divide by 9

Step-by-step explanation:

you multiply 90 by 10 and get 900 then divide 900 by 9 and u get 100

5 0
4 years ago
Robbie says 1.4 is equivalent to 14% della says 1.4 is equivalent to 140%
ryzh [129]

Answer:

See below.

Step-by-step explanation:

Della is correct. 1, in decimals, is 1.00, or 100. So, if the decimal is 1.4(1.40), it is equal to 140%.

-hope it helps

3 0
3 years ago
Read 2 more answers
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