3 years ago

There just help bsf Kelly

Mathematics

1 answer:

Volgvan3 years ago

3 0

1.No 2.No 3. Yes 4. Yes

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2. Encuentra o solocion de la cocasion X²-x-30=0

navik [9.2K]

Answer:

Step-by-step explanation:

Por aspa simple:

x²+x-30=0

X +6

X -5

(x+6)(x-5)=0

x+6=0

x=-6

x-5=0

x=5

espero te sirva suerte en tus estudios :D

6 0

3 years ago

The temperature of a body rises from -10 degrees Celsius to 18 degrees Celsius by how many degrees does the temperature rises?

sukhopar [10]

Answer:

28 degrees

Step-by-step explanation:

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3 years ago

If the product of any two rational numbers is 2 and one of them is 1/7, find the other number.

ozzi

Answer:

The other number is 14.

Step-by-step explanation:

To find the other number, all you have to do is divide 1/7 by 2.

$\frac{2}{1/7}$

$= 2 \cdot 7$

$= 14$

Hope this helped!

5 0

3 years ago

Almost finished then onto final to ace it :D

maxonik [38]

Degree is exponent, so 5th degree

difference of 2 perfect squares
a^2-b^2=(a-b)(a+b)
t^2-5^2=(t-5)(t+5)
2nd one

complete square
take 1/2 of linear coefient and square it
-6/2=-3, (-3)^2=9
add that to both sides
x^2-6x+9=-8+9
x^2-6x+9=1
factor
(x-3)^2=1
sqrt
take neg and pos root
x-3=+/-1
add 3
x=3+/-1
x=3+1 or x=3-1
x=4 or 2
3rd option

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3 years ago

anyone want a rare username my main acc is disconnected but i have ( hurtful ) ( love) ( death) ( fear ) (loser) (idc) (pain) lo

Crazy boy [7]

Answer:

-sighs - i just cant get rid of you can i

Step-by-step explanation:

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3 years ago

Read 2 more answers