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luda_lava [24]
3 years ago
12

12v-38=⅛*(4v-3) I need this answered plz

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
8 0
Answer:

12v-38=1/8

We move all terms to the left:

12v-38-(1/8)=0

We add all the numbers together, and all the variables

12v-38-(+1/8)=0

We get rid of parentheses

12v-38-1/8=0

We multiply all the terms by the denominator


12v*8-1-38*8=0

We add all the numbers together, and all the variables

12v*8-305=0

Wy multiply elements

96v-305=0

We move all terms containing v to the left, all other terms to the right

96v=305

v=305/96

v=3+17/96

(Hope that helps)
Mrrafil [7]3 years ago
7 0

Answer:

v = 3.2

Step-by-step explanation:

12v - 38 = (4v-3)/8

multiply each side by 8 to get:

96v - 304 = 4v - 3

92v - 304 = -3

92v = 301

v = 3.27

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Suppose tossing a coin 8 times represents the 8 cups of tea, heads represents a correct identification of what was poured first,
AysviL [449]

Answer:

A. Repeat the process many times (1000). If 6 correct out of 8 cups rarely occurs, then it is most likely that the woman was just guessing as to what was poured first.

Step-by-step explanation:

Since tossing a coin 8 times implies 8 cups of tea, with the given conditions.

The sample space = 1000

Then;

             \frac{6}{8} × 1000 = 750

If 6 correct out of 8 cups occurs (750 out of 1000), the woman got 750 correctly. Thus it can be inferred that it is likely that she knew what was poured first, either the tea or milk.

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5 0
3 years ago
Let A = 40. If B is complement of A, and C is a supplmenet of B, what is B+C?
Airida [17]
Option C: 180 
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6 0
3 years ago
diana invested $3000 in a savings account for 3 years. she earned $450 in interest over that time period. what interest rate did
igomit [66]

Answer:

The interest rate is 0.05

Step-by-step explanation:

i =  \frac{prt}{100}

i = $450

p = $3000

r = r%

t = 3yrs

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45000 = 9000r

9000r = 45000

r = 45000/9000

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N + 3.5 = 6.7<br> I need help badly plz
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Answer:

the answer is. N = 3.2

I. 100000% sure about the answer.

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