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elena55 [62]
3 years ago
13

Solve 4 over x minus 4 equals the quantity of x over x minus 4, minus four thirds for x and determine if the solution is extrane

ous or not.
Mathematics
1 answer:
lilavasa [31]3 years ago
6 0
We mathematically express the given such that it becomes,
            4 / (x - 4) = x / (x - 4) - 4/3

To answer this, multiply the equation by 3(x - 4) since this is the least common multiple (LCM). 
     
             4(3) = (3)(x) - 4(x - 4)

Simplifying,
             12 = 3x - 4x + 16
             4 = -4x
The value of x should be equal to -1.  

The calculated value of y can be calculated.  
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Studying for the act and I'm really bad at math, please help!
Bond [772]
We are given the ratio of 1/2 inch: 18 miles

Multiply both sides of the ratio by 2. I'm doing this so that the "1/2" turns into "1"
So we go from this ratio
1/2 inch: 18 miles
to this ratio 
1 inch: 36 miles
which means that every inch on paper represents 36 miles in real life

----------------------------------------------------------------

The question is now: if two towns are 2.5 inches apart on paper, then how far are they in real life? (note: 2.5 is the decimal form of 2 and a half)

To find out, multiply both sides by 2.5
1 inch: 36 miles
2.5*(1 inch): 2.5*(36 miles)
2.5 inches: 90 miles

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Answer: The two towns are 90 miles apart in real life
5 0
3 years ago
What is the vertex and the axis of symmetry of the quadratic function graphed below?
Kazeer [188]
The answer is B ! as vertex is (6,3) and axis of symmetry lies on x=6 !

if you need explanation, comment !
8 0
3 years ago
Read 2 more answers
Consider two populations of coins, one of pennies and one of quarters. A random sample of 25 pennies was selected, and the mean
Alexus [3.1K]

Answer:

No, the conditions for normality have not been met because the sample size for the quarters is not large enough and no information is given about the distributions of the populations.

Step-by-step explanation:

"The Kolmogorov-Smirnov test (K-S) and Shapiro-Wilk (S-W) test are designed to test normality by comparing your data to a normal distribution with the same mean and standard deviation of your sample. If the test is NOT significant, then the data are normal, so any value above .05 indicates normality"

5 0
3 years ago
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What is 1360 kilograms in grams
k0ka [10]
1360000 grams is the answer to that
7 0
3 years ago
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Grandma gives 180 marbles to her ten grandchildren. No two children get the same amount of marbles. Betsy gets the most. What is
SOVA2 [1]

Answer:

23 marbles

Step-by-step explanation:

Number of children = 10

Number of marbles = 180

Since Betsy gets the most and no 2 children gets the same number of marbles

The least number of marbles Betsy could get will be x ; with the other 9 children receiving 1 less each

That is :

Betsy = x

9th child = x - 1

8th child = x - 2,... 1st child = x - 9

Hence,

(x + x - 1 + x - 2 + x - 3 + x - 4 + x - 5 + x - 6 + x - 7 + x - 8 + x - 9) = 180

10x - 45 = 180

10x = 180 + 45

x = 225 / 10

x = 22.5

x = 23

Hence, the least Betsy could get is 23 marbles

5 0
2 years ago
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