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DENIUS [597]
3 years ago
14

Which expression is equivalent to

Mathematics
2 answers:
erastovalidia [21]3 years ago
8 0
The answer isss Q:12
irina [24]3 years ago
3 0

Answer:

The answer is q12

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maw [93]

Answer:

Step-by-step explanation:

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8 0
3 years ago
True or False<br> 3 is a factor of n(n + 2)(n − 1) by mathematical induction.<br> Explain why.
Crazy boy [7]

Answer:

false

Step-by-step explanation:

this beacuse when is times with the base that shows the product thats the factor

8 0
3 years ago
two trains ,each 100 m long,moving in opposite directions ,cross each other in 8 seconds .if one is moving twice as fast as the
Feliz [49]

Answer:

60 km/hr

Step-by-step explanation:

100+100

_______         =3x

      8

3x= 200/8

x=200/24 mps

=30mph

final speed is 60km/hr because its 2x's more =2*30=60

8 0
3 years ago
Need help with two word problems
dangina [55]

Answer:

E. 18 children are buying their lunches

F. Rock must pay $50 each month

Step-by-step explanation:

E.

To find a percentage you multiply the number by the percentage;

60 x 70%(0.70) = 42 children brought their lunches

But we need the amount <u>buying</u> their lunches so we would subtract 60 by 42;

60 - 42 = 18 buying their lunches

F.

Again, to find the percentage we multiply it by the original;

$800 x $25(0.25) = $200 Rock paid for the down payment on the sofa

Now we need to find how much Rock still needs to pay for the sofa;

$800 - $200 = $600 more needed to pay for the sofa

Lastly, we must find how much Rock will need to pay <u>each month</u> to pay the rest of the $600. There are 12 months in a year, so we divide that by the amount left;

$600 / 12 = $50 needs to be paid each month for a year

8 0
3 years ago
What expression is equivalent to 3(2t + 6) -4t
tekilochka [14]

Answer: 2t + 18

Step-by-step explanation:

3 0
3 years ago
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