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ololo11 [35]
2 years ago
8

Use the following equation.

Mathematics
1 answer:
ludmilkaskok [199]2 years ago
3 0

Answer:

1 mole of Oxygen and two moles of Hydrogen

Step-by-step explanation:

The mass of oxygen equal to one mole of oxygen is 15.998 grams and the mass of one mole of hydrogen is 1.008 g.

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Round 10.054 To 2 decimal places
antoniya [11.8K]
The answer to "Round 10.054 To 2 decimal places" is 10.05
3 0
3 years ago
3(m - 4) < 27
Free_Kalibri [48]

Step-by-step explanation:

This is right m does equal 13. D first you multiply everything in the para thesis and so on

6 0
3 years ago
In order to play in chess tournaments at the Marshall Club, Malik pays a fee to become a member. In addition, he pays a set rate
Keith_Richards [23]

Answer:

p = 22.50 + 15t

Step-by-step explanation:

For Malik :

Membership fee = m

Rate per tournament = t

After 4 tournaments :

m + 4t = 85 - - - (1)

After 7 tournaments :

m + 7t = 130 - - - (2)

Subtract 2 from 1

4t - 7t = 85 - 130

-3t = - 45

t = 45 / 3

t = 15

Put, t = 15 in (1)

m + 4(15) = 85

m + 60 = 85

m = 85 - 60

m = 25

Massai pays 10% less membership fee than Malik

Hence, Massai's membership fee:

(100 - 10)% * 25

0.9 * 25 = $22.50

Total price, p, Massai will pay to compete in t tournaments ;

Total price = membership fee + (rate per tournament * number of tournaments)

p = 22.50 + 15t

3 0
3 years ago
Radius and a center located at (0, - 6) Which equation represents this circle?
MArishka [77]

Answer:

A.

Step-by-step explanation:

The center  is at (0, -6) so the equation is:

(x - 0)^2 + ( y + 6)^2 = r^2

x^2 + (y + 6)^2 = r^2

r^2 = 11

Answer is x^2 + (y + 6)^2 = 11.

7 0
3 years ago
Ramona had eight and three eighths inches of ribbon. She used two and a half inches for an art project. How many inches of ribbo
IceJOKER [234]
-8 3/8 - 2 1/2 = 67/8 - 5/2 = 67/8 - 20/8 = 47/8 also = to 5 7/8
67 - 20 =47
answer: 5 7/8

3 0
3 years ago
Read 2 more answers
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