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lubasha [3.4K]
3 years ago
12

PLEASE HELP Solve for x. 5/7x+46=8−9/14x

Mathematics
2 answers:
Effectus [21]3 years ago
7 0
Yur answer will be -28 hope it helped :)
soldier1979 [14.2K]3 years ago
3 0
Just think about it 5/7x+46=8-9/14 

think and than you will get the answer trust me if you dont get it let me know i got you 
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Divide the following problem by hand (long division).
Genrish500 [490]

Answer:

Quotient = 122.88 and Remainder = 0

Step-by-step explanation:

Given:

Dividend = 3072

Divisor = 25

Please find the complete division in the attachment:

Step 1: when Dividend is 3072 and divisor is 25 we will first multiply divisor by 1 and subtract from first 2 digit of dividend which is 30 we get remainder as 5.

Step 2: Now bring another digit of dividend down so dividend will 57 and divisor is 25 so we will multiply divisor by 2 we get 50 we would subtract from 57 we get remainder as 7.

Step 3: Now bring another digit of divisor down so dividend 72 and divisor is 25 so we will multiply divisor by 2 we get 50 we would subtract from from 72 we get  remainder as 22.

Step 4: now dividend is 22 and divisor is 25 that means dividend is less than divisor so we will add decimal to quotient which adds 0 to dividend we get dividend as 220 and divisor is 25 now multiplying divisor by 8 we get 200 now subtracting it  with 220 we get remainder as 20.

Step 5: Now add 0 to dividend dividend will become 200 and divisor is 25 so we will multiply divisor by 8 we get answer as 200 now subtracting with dividend 200 we get remainder as 0.

Hence Quotient = 122.88 and Remainder = 0.

7 0
3 years ago
Read 2 more answers
Which equation models a line that is perpendicular to y = x - 1 and goes through the point (5,4)
PtichkaEL [24]

Answer:

y = - x + 9

Step-by-step explanation:

Because the line is perpendicular, the slope with be the opposite reciprocal. So, if the slope is 1 as in the equation y = x - 1, the opposite reciprocal is -1.

So the equation that is perpendicular will look like this so far:

y = -x + b   (b represents our y-intercept that we have not found yet)

Now we will find the y-intercept. We can find it by substituting the coordinates (5,4) as x and y into the equation right above ^^.

So,  4 = -(5) +b     or     4 = -5 + b

Add 5 to both sides to isolate b on the right side. b = 9

Therefore, the y-intercept is 9.

Now we have found everything we need for the equation, which is

y = - x + 9

8 0
4 years ago
2800 to 2100 percent of change
Gennadij [26K]
2800-2100=700
2800/700=4
4% decrease
7 0
4 years ago
Elliot ordered the special at the Even Steven Diner, which included a salad, an entree, and a drink for $15. The sales tax was 9
shusha [124]
Your sales tax is $1.35. 
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5 0
3 years ago
In a survey of women in a certain country the mean height was 62.9 inches with a standard deviation of 2.81 inches answer the fo
Natasha2012 [34]

The question is incomplete. The complete question is :

In a survey of women in a certain country ( ages 20-29), the mean height was 62.9 inches with a standard deviation of 2.81 inches.  Answer the following questions about the specified normal distribution.  (a) What height represents the 99th percentile?  (b) What height represents the first quartile?  (Round to two decimal places as needed)

Solution :

Let the random variable X represents the height of women in a country.

Given :

X is normal with mean, μ = 62.9 inches and the standard deviation, σ = 2.81 inches

Let,

$Z=\frac{X - 62.9}{2.81}$ , then Z is a standard normal

a). Let the 99th percentile is = a

The point a is such that,

$P(X

$P \left( Z < \frac{a-62.9}{2.81} \right) = 0.99$

From standard table, we get : P( Z < 2.3263) =0.99

∴ $\frac{(a-62.9)}{281} = 2.3263$

  $a= (2.3263 \times 2.81 ) +62.9$

     = 6.536903 + 62.9

     = 69.436903

     = 69.5 (rounding off)

Therefore, the height represents the 99th percentile = 69.5 inches.

b). Let b = height represents the first quartile.

It is given by :

P( X < b) =0.25

$P \left( Z < \frac{(b-62.9)}{2.81} \right) = 0.25$

From the standard normal table,

P( Z < -0.6745) =0.99

∴ $\frac{(b-62.9)}{2.81}= 0.6745$

$b=(0.6745 \times 2.81) +62.9$

  = 1.895345 + 62.9

   = 64.795345

   = 64.8 (rounding off)

Therefore, the height represents the 1st quartile is 64.8 inches.

8 0
3 years ago
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