2X+5+2x+3x= No solution

Mathematics

1 answer:

eimsori [14]3 years ago

8 0

Answer:

12 x is the answer. please thanks and follow me.

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Help me on this please it’s due at 11:59 and i have no idea what to do

rjkz [21]

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3 years ago

Can someone help me solve (x+18)^(1/2)+2=x

____ [38]

Lets solve your equation step by step:
(x+18)^1/2+2=x
step 1:Add -2 to both sides:
(x+18)^1/2+2-2=x+-2
(x+18^)1/2=x-2
step 2:solve exponent
(x+18)^1/2=x-2
((x+18)^1/2)^2=(x-2)^2
x+18=x^2-4x+4
x+18-(x^2-4x+4)=x^2-4x+4-(x^2-4x+4) (subtract x^2-4x+4 from both sides)
-x^2+5x+14=0
(-x-2)(x-7)=0(factor left side of equation)
-x-2=0 or x-7=0 (set factors equal to zero)
x=-2 or x=7

check answers:(plug them in to make sure they work )
x=-2(doesn't work in original equation)
x=7(works in original equation)

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3 years ago

Izzi's Pizza wants to offer at least 15 options for ordering 2 vegetable topping pizzas. What is the minimum

e-lub [12.9K]

Answer: 6 vegetable topping choices.

Step-by-step explanation:

If we have two toppings out of X, the number of possible combinations is:

$c = \frac{x!}{(x-2)!2!}$