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KonstantinChe [14]
3 years ago
7

Which method is most efficient method to use to solve 2x^2+5x-11=0

Mathematics
1 answer:
dangina [55]3 years ago
8 0
May be you can use the quadratic equation formular.
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At a bargain store, Tanya bought 4 items that each cost the same amount. Tony bought 5 items that each cost the same amount, but
Alex_Xolod [135]

If x is the amount that Tanya paid for each item, then Tony's items would be x-2.25. So:

3x=4(x-2.25)

3x=4x-9

x=9

x-2.25=6.75

Tanya spent $9 on each item; Tony spent $6.75 on each of his items. ☺☺☺☺

6 0
3 years ago
What is the smallest power of ten that would exceed 987654321098765432
Romashka [77]
10 to the power of 18
3 0
4 years ago
Un número desconocido es multiplicado por 11 y a este resultado se le resta 24. El resultado de esta operación es 86. Escribe en
kicyunya [14]

Answer: The number is 10.

Step-by-step explanation:

Let x be the required number.

Given: 11 is multiplied to the number then 24 is subtracted from that and the result is 86.

The mathematical statement for the given situation,

11x -24 = 86

To solve the equation, Add 24 on  both sides , we get

11x - 24 +24 = 86+24

⇒ 11x = 110

Divide both sides by 11, we get

x = 10

hence, the number is 10.

3 0
3 years ago
Rewrite without paraentheses and simply <br> (Y-2)^2
german

show how to simply that

(y-2)^2

(y-2)(y-2)

Y^2-2y-2y+4

y^2-4y+4

the answer was y^2-4y+4

hope that helps you!!!!

6 0
4 years ago
Simplify. 2,500,000 to the zero power
Sophie [7]

Answer:

1

Step-by-step explanation:

any number that is raised to the zero power will equal to 1. hope this helps!

6 0
3 years ago
Read 2 more answers
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