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vovangra [49]
3 years ago
8

Pls help will mark as brainliest

Mathematics
1 answer:
Annette [7]3 years ago
3 0

Answer:

The last one

Step-by-step explanation:

when you are dividing an equation with exponents, you subtract the exponents from each other.

For example, in your problem you have d^4 and d^2 (notice that they have the same base)  you subtract the exponents to get d^2

** even if the bases are numbers, you DONT touch the base, just the exponents ( ex.: 5^4 ÷ 5^3  = 5^1)

Do this w/ the rest of the exponents.

d^4 ÷ d^2 =  d^2

e^3÷e^2= e

f^5÷f= f^4

** although f looks like it doesn't have an exponent, it has an invisible one

And w/ the power of deduction, you should get -2/3 d^2ef^4

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Y=4x+rx+6 solve for x
Irina-Kira [14]
y=4x+rx+6 

y-6=4x+rx

    Subtract \ 6 \ from \ both \ sides 

y-6=x(4+r)

 
    Factor \ out \ the \ common \ term \ x 

\dfrac{y-6}{4+r} =x   Divide \ both \ sides \ by \ 4+r
5 0
3 years ago
Solve for C when 9=c(c-8)<br><br> Can you show your work too? This question confuses me!
Marrrta [24]
9 = c(c - 8)
9 = c² - 8c
c² - 8c - 9 = 0
c² + c - 9c - 9 = 0
c(c + 1) -9 (c + 1) = 0
(c+1)(c-9) = 0
c = -1 or 9

In short, Your Answers would be -1 and 9

Hope this helps!
8 0
4 years ago
A computer assembling company receives 24% of parts from supplier X, 36% of partsfrom supplier Y, and the remaining 40% of parts
Ivan

Answer:

thus the probability that a part was received from supplier Z , given that is defective is 5/6 (83.33%)

Step-by-step explanation:

denoting A= a piece is defective , Bi = a piece is defective from the i-th supplier and Ci= choosing a piece from the the i-th supplier

then

P(A)= ∑ P(Bi)*P(C) with i from 1 to 3

P(A)= ∑ 5/100 * 24/100 + 10/100 * 36/100 + 6/100 * 40/100 = 9/125

from the theorem of Bayes

P(Cz/A)= P(Cz∩A)/P(A)

where

P(Cz/A) = probability of choosing a piece from Z , given that a defective part was obtained

P(Cz∩A)= probability of choosing a piece from Z that is defective = P(Bz) = 6/100

therefore

P(Cz/A)= P(Cz∩A)/P(A) = P(Bz)/P(A)= 6/100/(9/125) = 5/6 (83.33%)

thus the probability that a part was received from supplier Z , given that is defective is 5/6 (83.33%)

8 0
3 years ago
Read 2 more answers
Which decimal is equivalent to 6 4/9 ?
Alinara [238K]
Why are B and C the same answer options?

the answer is 6.4444444444

so id say it either B or C but as they are the same i have no clear way to answer the question

either way its 6.4
8 0
4 years ago
Read 2 more answers
The value -1 is a solution for x^2 - 6x + 5 = 0 True or False?
solmaris [256]
False -1 is not a solution.
3 0
3 years ago
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