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Alja [10]
2 years ago
6

What are the solutions to the equation x+4x5 = 0?

Mathematics
1 answer:
stepladder [879]2 years ago
3 0

Answer:

it x=-20

Step-by-step explanation:

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Find the product. (-2x^2)^3 ·3x
poizon [28]
(-2x^2)^3 * 3x

3(-8(x^2)^3)x

3(-8x^6)x

3(-8x^7)

-24x^7

Hope this is accurate & helpful! Let me know if I made any errors or if you have any additional questions.
3 0
2 years ago
Solve the following equations;-<br><br> x - 9 /√x + 3 =1
fgiga [73]

Answer:

13 , 6.

Step-by-step explanation:

A equation is given to us and we need to find out the value of x . The given equation to us is ,

\sf\implies \dfrac{ x -9}{\sqrt{x+3}}= 1

Cross multiply ,

\sf\implies x - 9 =\sqrt{ x +3}

Squaring both sides ,

\sf\implies (x - 9)^2 = x + 3

Simplify the whole square ,

\sf\implies x^2+9^2-2.9.x = x +3 \\

\sf\implies x^2+81 - 18x = x -3

Add 3 and subtract x on both sides ,

\sf\implies x^2 -18x-x +81-3=0

Simplify ,

\sf\implies x^2 -19x +78=0

Split the middle term of the quadratic equation,

\sf\implies x^2-13x-6x+78=0

Take out common ,

\sf\implies x( x -13)-6(x-13)=0

Take out ( x -13 ) as common ,

\sf\implies ( x -13)(x-6)=0

Equate both factors to 0 ,

\sf\implies \boxed{\pink{\sf x = 13,6}}

<u>Hence</u><u> the</u><u> </u><u>value</u><u> of</u><u> </u><u>x</u><u> is</u><u> </u><u>1</u><u>3</u><u> </u><u>or </u><u>6</u><u> </u><u>.</u>

7 0
3 years ago
find the present value that will grow to $7000 if the annual interest rate is 3.5% compounded quarterly for 9 uears
Gwar [14]
PV=FV/(1+i)^t

FV=7000, i=3.5%=0.035,t=9

put everything in the formula
PV=7000/(1+0.035)^9
PV=$5136.12
7 0
3 years ago
PLS HELP ASAP ILL GIVE BRAINLKEST THANKS
Arisa [49]

Answer:

(4,4)

Step-by-step explanation:

hope this help

4 0
3 years ago
Read 2 more answers
If Oni uses all 3 of the $0.44 cent stamps he has, what
Rom4ik [11]

Answer: b

Step-by-step explanation: edge 2020

8 0
3 years ago
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