What is 7 29/80 as a decimal

2 answers:

7 0

I Think First You Would Need To Turn It Into A Improper Fraction Then Divide The Denominator Into The Numerator .. Simply If Needed

Liula [17]3 years ago

7 0

Answer:

Answer is 19.31 .

Step-by-step explanation:

Given : $\7frac{29}{80}$ .

To find: Write it in decimal form .

Solution: We have given that

$\7frac{29}{80}$ .

Convert the mixed fraction into improper fraction .

$\frac{589}{80}$ .

convert into decimal by dividing 589 by 80 .

= 19.31

Therefore , answer is 19.31 .

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Solve the absolute value equation. | 4 - 8x | = 40 Select the correct choice below and fill in any answer boxes in your choice.

Step2247 [10]

Answer:

A. x = 5,5 , -4,5 are the TWO SOLUTIONS of | 4 - 8 x | = 40

Step-by-step explanation:

Here, the given expression is: | 4 - 8 x | = 40

Now, here firstly we need the find the range where (4-8 x) is NEGATIVE and where (4-8x) is POSITIVE.

To find CRITICAL POINT, put (4-8 x) = 0

⇒ 4 = 8x or x = 4/8 = 1/2

⇒ x = 1/2 is the CRITICAL POINT.

CASE - 1 : For x > 1/2, ( 4-8x) < 0 ( negative)

⇒ for x > 1/2 , | 4 - 8 x | = 40 is -(4- 8x) = 40 ( for a < 0, IaI = -a)

or, -4 + 8 x = 40

or, 8 x = 44 , or x = 44/8 = 5.5

⇒ for x > 1/2, x = 5.5 is the solution of | 4 - 8 x | = 40

CASE - 1 : For x ≤ 1/2, ( 4- 8 x) ≥ 0 ( positive)

⇒ for x ≤ 1/2 , | 4 - 8 x | = 40 is (4- 8x) = 40 ( for a > 0, IaI = a)

or, 4 - 8 x = 40

or, 8 x =4 - 40 , or 8 x = -36 or, x = -36/8 = -4.5

⇒ for x ≤ 1/2, x = -4.5 is the solution of | 4 - 8 x | = 40

Hence, x = 5,5 , -4,5 are the TWO POSSIBLE SOLUTIONS of | 4 - 8 x | = 40

5 0

3 years ago

Yuri computes the mean and standard deviation for the sample data set 12, 14, 9, and 21. he finds the mean is 14. his steps for

german

The complete question in the attached figure N 1

we know that
The formula for Sample Standard Deviation is indicated in the attached figure N2
n in this problem is 4 <span>and Yuri had to divide in the formula by 3 </span>

therefore

the answer is
Yuri divided by n instead of n -1