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timurjin [86]
3 years ago
14

If anyone can answer I will give brainleiest ​

Mathematics
2 answers:
swat323 years ago
3 0

Answer:

2555555

Step-by-step explanation:

Sophie [7]3 years ago
3 0

Answer:

2555555

Step-by-step explanation:

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chelsea takes the bus to school,but she walks home. the bus travels to the school at an average speed of 45 miles per hour. whil
jekas [21]
For this case, the first thing you should know is:
 d: v * t
 Where,
 d: distance
 v: speed
 t: time
 To go to school by bus we have:
 d = 45 * t
 To return from school we have:
 d = 2.5 * (1-t)
 how the distance is the same:45 * t = 2.5 * (1-t)
 Answer:
 the equation that will help find the time it takes chelsea to get to school on the bus is:
 45 * t = 2.5 * (1-t)
 Note: the equation will have one solution. 
4 0
3 years ago
Kelly needs $125 to buy a dress for the dance. Her dad gave her five dollars for doing your chores and received $15 an hour to t
Debora [2.8K]
8 hours. 125 - 5 = 120. 120 / 15 = 8. Kelly will need to tutor for 8 hours minimum to buy the dress.
7 0
3 years ago
PLEASE HELP! I'LL GIVE BRAINLIEST!!!!!!!
daser333 [38]

Answer:

1.6x10^-18 gram

Step-by-step explanation:

(5.3 x 10⁻²³ gram/molecule) x (20,000 molecule)

= (5.3 x 10⁻²³ x 2 x 10⁴) gram

= (10.6 x 10⁻²³⁺⁴) gram

= (1.06 x 10⁻²³⁺⁵) gram

= 1.06 x 10⁻¹⁸ gram

We need to find the mass of 20,000 molecules of oxygen. It can be calculated using unitary method. Here, we can multiply 20,000 molecules  by the mass of one oxygen molecule.

7 0
2 years ago
Jack maclean has entered into real estate
OverLord2011 [107]

Answer:

im sorry but id ont know

Step-by-step explanation:

4 0
3 years ago
At the city Museum child admission is $5.40 and adult admission is $8.50 on Thursday 151 tickets were sold for a total sales of
rewona [7]

About 202 child tickets were sold that day.

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2 years ago
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