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AveGali [126]
3 years ago
7

How does the scientific process generally begin

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
7 0
Lab Safety is the main starting point on the scientific process.
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What is the answer to x (x+8)=9​
marta [7]

Answer:

x=1 or x=−9

Step-by-step explanation:

Let's solve your equation step-by-step.

x(x+8)=9

Step 1: Simplify both sides of the equation.

x2+8x=9

Step 2: Subtract 9 from both sides.

x2+8x−9=9−9

x2+8x−9=0

Step 3: Factor left side of equation.

(x−1)(x+9)=0

Step 4: Set factors equal to 0.

x−1=0 or x+9=0

x=1 or x=−9

8 0
3 years ago
What is the inverse function of number 20 and how do you get the inverse?
mariarad [96]
I hope this helps you



(f (x))^2= (square root of x-2)^2



f^2 (x)=x-2


x=f^2 (x)+2


f^-1 (x)=x^2+2
7 0
3 years ago
Cuanto valen 75 sobres a $2,000 el cien?
sergey [27]
<span>Igual que el último.
Si es "$ 2,000 por 100 sobres, dividiremos 2,000 / 100 y obtendremos 20, luego multiplicaremos 20 por 75 y obtendremos" $ 1500 ".
 
Esta es la ecuación
 $ 2,000 / 100 = 20 x 75 = $ 1,500
 
Espero que esto ayude :-)</span>
7 0
3 years ago
Find the value of Z in the following equation 8Z =64
a_sh-v [17]
8z = 64
divide both sides with 8

8z ÷8 = 64÷8
therefore,
z = 8.
7 0
3 years ago
Read 2 more answers
Evaluate 7^2 + (4x5) - 2^3
Phoenix [80]

So it would be 49+(20)+8

= 77

7 0
3 years ago
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