3 years ago

Container 85g contents 370g total mass=

Mathematics

1 answer:

777dan777 [17]3 years ago

3 0

So the container is 85 g or it holds 85gs

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Kendra has $6.00 in dimes and quarters. If she has 2 times as many quarters as dimes, how many of each coin does she have?

r-ruslan [8.4K]

Make a system of equations.

$\sf0.10d+0.25q=6$
$\sf~q = 2d$

Plug in 2d for 'q' in the first equation:

$\sf0.10d+0.25q=6$

$\sf0.10d+0.25(2d)=6$

Multiply:

$\sf0.10d+0.50d=6$

Combine like terms:

$\sf0.60d=6$

Divide 0.60 to both sides:

$\sf~d=10$

Now plug this into any of the two equations to find 'q':

$\sf~q = 2d$

$\sf~q = 2(10)$

$\sf~q = 20$

So she has 10 dimes and 20 quarters.

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4 years ago

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Two make ice cream for a family reunion frank used 6 cups of cream 1/2 gallon of gallon of milk. How many pints of cream and mil

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He used 7 pints all together because there at 2 cups in each pint and 4 pints in a half a gallon.

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3 years ago

Enter the value of P so that the expression 3 (4 + n) is equivalent to 3 (n+p).

Gala2k [10]

Answer:

3 (4+n)=0

3×4+3×n=0

12+3n=0.... equation 1

3 (n+p)

3×n+3×p=0

3n+3p=0........... equation 2

eq 1 multiply 3 eq 2 multiply 3

36+9n=0

9n+9p=0

_ _ =0

_9n is +9n Crush

36+9p=0

p=36÷9

p=4

p is 4 ans

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3 years ago

What is the value of x?

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Answer:

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Step-by-step explanation:

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3 years ago

David walked for 20 minutes with the speed of 3 mph. How far did he walk?<br><br>HELP!!!

Ludmilka [50]

Answer:

1 mile

Step-by-step explanation:

1 hour = 3 miles

20 minutes is 1/3 of an hour, so he walks 1 mile

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3 years ago