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sergij07 [2.7K]
3 years ago
6

Need help with 8th grade algebra

Mathematics
1 answer:
TEA [102]3 years ago
5 0

Answer:

D

Step-by-step explanation:

z-m=z+bx

z-m-z=bx

bx=-m

x= - m/b

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farmer weighed 20 dairy goats in pounds. Of the goats, 10 were males and 10 were females. Males Females First Quartile 29 21 Sec
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3 years ago
If x^2 + 1/x^2 = 7 , find the value of x^3 + 1/x^3 and x^4 + 1/x^4
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2 years ago
There are 12 red marbles and 8 green marbles in a bag. What is the probability of selecting a red
madam [21]

Answer:

The probability of selecting a red  marble, not replacing it, and then selecting a green marble from the bag is 24/95

Step-by-step explanation:

Number of red marbles = 12

Number of green marbles = 8

Total number of marbles = 12+8 = 20

Probability of selecting red marble =\frac{12}{20}

Since it is the case of no replacement

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Number of green marbles = 8

Probability of selecting green marble =\frac{8}{19}

So, the probability of selecting a red  marble, not replacing it, and then selecting a green marble from the bag =\frac{12}{20} \times \frac{8}{19}=\frac{24}{95}

Hence the probability of selecting a red  marble, not replacing it, and then selecting a green marble from the bag is 24/95

3 0
3 years ago
A case of water costs $3.80. If Safeway marks up the price 10%, what is the new price of the
anyanavicka [17]

Answer:

$4.18

Step-by-step explanation:

You take $3.80 and multiply by it .1 (turn 10% into a decimal by moving the decimal to the right two places).

This gives you .38

Then you add .38 to $3.80 which gives you $4.18.

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