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9966 [12]
3 years ago
7

What is 348,000,000,000,000 estimated as the product of a single digit and a power of 10?

Mathematics
1 answer:
levacccp [35]3 years ago
3 0
The answer should be 3.48 X 10^18
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How many solutions does the following system of equations have?<br> y=5/2x+2<br> 2y= 5x +4
goldfiish [28.3K]

Answer:

infinite solutions

Step-by-step explanation:

y=5/2x+2

2y= 5x +4

Multiply the first equation by 2

y = 5/2 x +2

2y = 5/2 *2 x +2 *2

2y = 5x +4

Since this is identical to the second equation (they are the same), the system of equations has infinite solutions

3 0
3 years ago
ILL GIVE BRAINLIEST TO THE CORRECT ANSER BUT ANSWER ASAP
gulaghasi [49]

Answer:

12 and 13

Step-by-step explanation:

I hope this helps! Have a lovely day!! :)

4 0
2 years ago
Read 2 more answers
There are premium tickets costing $99 each and rest are regualr tickets costing $25 each. A pile of 120 tickets have a total val
polet [3.4K]

Answer:

There are 38 premium tickets and 82 regular tickets in a pile.

Step-by-step explanation:

Given,

Total number of tickets = 120

Total amount = $5812

Solution,

Let the number of premium tickets be x.

And the number of regular tickets be y.

Total number of tickets is the sum of total number of premium tickets and  total number of regular tickets.

So the equation can be written as;

x+y=120\ \ \ \ \ equation\ 1

Again,total amount  is the sum of total number of premium tickets multiplied by cost of each premium ticket and  total number of regular tickets multiplied by cost of each regular ticket.

So the equation can be written as;

99x+25y=5812\ \ \ \ equation\ 2

Now We will multiply equation 1 by 25 we get;

x+y=120\\25(x+y)=120\times25\\25x+25y= 3000 \ \ \ \ equation\ 3

Now Subtracting equation 3 from equation 2 we get;

(99x+25y)-(25x+25y)=5812-3000\\\\99x+25y-25x-25y=2812\\\\74x=2812\\\\x=\frac{2812}{74}=38

We will now substitute the value of x in equation 1 we get;

x+y=120\\38+y=120\\y=120-38\\y=82

Hence There are 38 premium tickets and 82 regular tickets in a pile.

3 0
3 years ago
Multiply (x-2) (2x+4)
Bas_tet [7]

Answer:

2x {}^{2}  - 8 = 0

Step-by-step explanation:

(x-2) (2x+4)  = 0\\ 2x {}^{2}   +  4x - 4x - 8 = 0 \\ 2x {}^{2}  - 8 = 0

5 0
3 years ago
Solve this quadratic equation using the quadratic formula. 2x2 - 10x + 7 = 0
frez [133]

Answer:

Step-by-step explanation:

2x^2-10x+7         A=1, B=-10. C=7

-(-10)±√-10^2-4(1)(7)

------------------------------

2(1)

10±√100-28

----------------

2

10±√72

-----------

2

<u>10±8.485281374</u>

         2

<u>10+8.485281374 </u>=9.24

             2

<u>10-8.485281374</u> =0.76

          2

8 0
3 years ago
Read 2 more answers
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