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yKpoI14uk [10]
3 years ago
8

I NEED THIS IN FIVE MINUTES.

Mathematics
1 answer:
Vesnalui [34]3 years ago
6 0

Answer:

5p3−2p2−7p1

Step-by-step explanation:

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A commercial jetliner has 245 passenger seats.The seats are arranged in 49 equal rows.How many seats are in each row
vampirchik [111]
245 divided by 49 = 5 therefore there are 5 seats in each row.
6 0
3 years ago
Read 2 more answers
A 12 ounce bottle of cleaner cost $3.74 a 16 ounce bottle of cleaner cost $5.34 which bottle would be the best spot which cost l
Valentin [98]

Answer:

12 ounce bottle

Step-by-step explanation:


12 x 3 = 36

16 x 5 = 80

So, that means the 12 ounce bottle is cheaper. :)


5 0
3 years ago
when full the gas tank of a car holds 15 gallons. it now contains 12 gallons. what percent represents how full the tank is?
Masteriza [31]

Hello!

to find the percent of a whole, use this equation here:

(remaining) / (total) = X

X * 100 = %

in this case:

12 / 15 = 0.8

0.8 * 100 = 80

your answer is 80%

I hope this helps, and have a nice day!

5 0
2 years ago
Find the value of x. Then find the measure of each labeled angle.
Nat2105 [25]

Answer:

x = 70; the labeled angles are 110º and 70º.

Step-by-step explanation:

The full degrees will add up to 180º. There are 2x and +40.

Equation: 2x+40=180

Solve: 2x+40=180\\\\180-40=140\\\\2x=140\\\\x=70

Since x=70, 70+40 will equal to 110.

Therefore, "x = 70; the labeled angles are 110º and 70º." is correct.

7 0
3 years ago
Read 2 more answers
Use cramers rule to solve each system of equations :
Snowcat [4.5K]

Answer:

just follow the rules

Step-by-step explanation:

Cramer's rule applies to the case where the coefficient determinant is nonzero. ... A simple example where all determinants vanish (equal zero) but the system is still incompatible is the 3×3 system x+y+z=1, x+y+z=2, x+y+z=3.

Write the system as a matrix equation. ...

Create the inverse of the coefficient matrix out of the matrix equation. ...

Multiply the inverse of the coefficient matrix in the front on both sides of the equation. ...

Cancel the matrix on the left and multiply the matrices on the right.

5 0
3 years ago
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