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LUCKY_DIMON [66]
3 years ago
10

42 points!!!!!

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0

Answer:

its 1.2x10^9

Step-by-step explanation:

ans you add da 9

pls mark brainliest!

den301095 [7]3 years ago
3 0
The answer to this question is 1,193,400,00 ml of gasoline. We can reach this conflusion through the following equation:

3.9 x 10^3 10 x 10 x 103.9 x 1,0003,900 ml per second. Then, to work out how many ml are burned in a minute, multiply 3,900 by 60. Therefore, we can establish that ne commercial airplane burns around 234,000 ml of gasoline per minute. Next, consider the equation 5.1 x 10^35.1 x 10 x 10 x 105.1 x 1,0005,100. From this, we can work out that 5,100 airplanes burn 1,193,400,000 ml of gasoline in one minute.


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Katherine buys a tv with a normal price of $200 and she has a 25% off coupon. How much money did she save????
andrey2020 [161]

Given:

Normal price of a tv = $200

Coupon = 25% off

To find:

The money saved by Katherine.

Solution:

Katherine buys a tv with a normal price of $200 and she has a 25% off coupon. It means, the money saved by Katherine is 25% of normal price of tv, i.e., $200.

Saving=25\%\text{ of }200

Saving=\dfrac{25}{100}\times 200

Saving=25\times 2

Saving=50

Therefore, the money saved by Katherine is $50.

6 0
3 years ago
What is the highest common factor of 72 and 90
Zina [86]

Answer:

18

Step-by-step explanation:

5 0
2 years ago
How do you do number 14?
Dimas [21]

Answer: 3/8

Step-by-step explanation:

When three coins are flipped, we get 8 total outcomes: (HHH,HHT,HTH,HTT,THH,THT,TTH,TTT)

Two tails and one head is (HTT, TTH, THT)

Probability = number of favorable outcomes/ number of total outcomes

Number of Favorable outcomes = 3

Number of Total outcomes= 8

Therefore, probability of getting 2 tails and one head

= 3/8

4 0
3 years ago
Tickets for a concert cost $2 each for children and $5 each for adults.A group of 30 people consisting of children and adults pa
noname [10]
Let,
the no. of adults be "x"
then, the no. of childern = total people - total adults 
                                   = (30 - x)
Now,
According to the quesiton,
2 (30 - x) + 5x = 87
60 - 2x + 5x = 87
60 + 3x = 87
3x = 87 - 60
3x = 27
x = 27 / 3
x = 9

So, there were 9 adults in the group

3 0
3 years ago
If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so forth, how
cluponka [151]
This is an arithmetic sequence with the common difference being 1

and if u have 1 cent on day 1 and 2 cents on day 2....then on day 40, u would have 40 cents....but we need the sum of all the days..

the sum of an arithmetic sequence can be found using the formula :
sn = n(a1 + an) / 2
n = number of terms = 40
a1 = first term = 1
an = last term = 40

now we sub
s(40) = 40(1 + 40) / 2
s(40) = 40(41)/2
s(40) = 1640/2
s(40) = 820.....820 cents = $ 8.20 <== the sum
4 0
3 years ago
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