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3 years ago

Can you use simplest form to compare 8/10 and 3/5 explain

Mathematics

2 answers:

valentina_108 [34]3 years ago

4 0

Yes,because the denomenators can be both 5... So 8/10=4/5..4/5>3/5

jolli1 [7]3 years ago

3 0

Simplify 8/10
(4*2)/(5*2)
2/2=1

Thus,
8/10=4/5

Now, compare 4/5 and 3/5.
Hope this helps!

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How much heat in kJ is released when nitrogen and hydrogen react as below to form 100.g ammonia heat equals-92.2kj

tresset_1 [31]

100g of ammonia releases 271.18 kJ of heat.

Explanation:

Given:

N₂ reacts with H₂

The reaction is:

2N₂ + 3H₂ → 2NH₃ + 92.2 kJ

According to the balanced reaction:

2 X 17g of ammonia releases 92.2 kJ of heat

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100g of ammonia will release = $\frac{92.2}{34} X 100$ kJ of heat

= 271.18 kJ

Therefore, 100g of ammonia releases 271.18 kJ of heat.

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3 years ago

What is the vertex of the parabola? A. (-1,0) B. (0,-3) C. (1,-4) D. (3,0)

katovenus [111]

d. (1,-4) is the answer

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3 years ago

Read 2 more answers

PLEASE HELP ME as soon as possible!!

Alenkasestr [34]

Answer:

1/3 is answer.

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3 years ago

Numbers 50, 42, 35, 2x + 10, 2x -8, 12, 11,8 are written in descending order and their median is 25, find x.

Natalija [7]

Answer:

Step-by-step explanation:

25=mean of (5th+6th value)

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3 years ago

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Garrett and Carter went to the movies last weekend. Together they bought 2 drinks and 2 popcorns. They spent a total of $12.50.

-BARSIC- [3]

The cost of one drink is $2.50 and cost of one popcorn is $3.75

Explanation

Suppose, the cost of one drink is $x$ dollar and cost of one popcorn is $y$ dollar.

Given that, total cost for 2 drinks and 2 popcorns is $12.50 and total cost for 6 drinks and 5 popcorns is $33.75

So, the system of equations will be......

$2x+2y=12.50 ..................................... (1)\\ \\ 6x+5y= 33.75 ..................................... (2)$

Multiplying equation (1) by -3 , we will get.....

$-3(2x+2y)=-3(12.50)\\ \\ -6x-6y=-37.50 ..................................... (3)$

Now, adding equation (2) and equation (3) , we will get ............

$5y-6y=33.75-37.50\\ \\ -y=-3.75\\ \\ y=3.75$

Plugging this $y=3.75$ into equation (1) ......

$2x+2(3.75)=12.50\\ \\ 2x+7.50=12.50\\ \\ 2x=12.50-7.50=5\\ \\ x=\frac{5}{2}=2.50$

So, the cost of one drink is $2.50 and cost of one popcorn is $3.75

6 0

3 years ago