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Inessa [10]
3 years ago
6

How do change 30/8 in to a mixed number

Mathematics
2 answers:
sashaice [31]3 years ago
5 0
Make the numerator be the sum of a multiple of the denominator and a remainder...

30/8 is equal to:

(24+6)/8 is equal to 

24/8+6/8

3+6/8

3 3/4
Dovator [93]3 years ago
5 0
The answer is:  " 3 ¾ " .
__________________________________
Explanation: 
______________________
 Given:   "30/8";  simplify:
_____________________________________
       30/8 = (30÷2) / (8÷2) = 15/4 ;
_____________________________________
 15/4 =  15 ÷ 4  =  3.75 ;   and:  0.75 = ¾  ;
_____________________________________
   So;  3.75 = 3 ¾  .
_____________________________________
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max2010maxim [7]
Yes you will need more gassoline
6 0
3 years ago
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Given: Lines, and I are parallel, with transversal line t.
VladimirAG [237]

Answer:

5 = e=h

3 = a=e

6 = b=d

4 = d=f

2 = a=h

1 = c=f

Step-by-step explanation:

8 0
3 years ago
THANK YOU , PLEASE INCLUDE EXPLANATION
frosja888 [35]

Remark

This will be a little late, but I'll answer it anyway. The more you see of the sine law, the clearer it will be.


Step One

Set up the sine Law.

\dfrac{Sin(x)}{12}=\dfrac{sin(75)}{22}


Step Two

Substitute values

Sin(x) = ??

sin(75) = 0.9659


\dfrac{Sin(x)}{12}=\dfrac{0.9659}{22}


Step Three

Cross multiply and Solve

22* Sin(x) = 12 * 0.9659

22* Sin(x) = 11.591 divide by 22

sin(x) = 11.591 / 22

sin(x) = 0.5269


Step Four

You have to know how to use the inverse of an angle to get the answer. I do it as my calculator would do it. If it doesn't work with yours, let me know.


x = sin^-1(0.5269)

2nd F

Sin^-1

(

0.5269

)

=

You should get 31.79 degrees.

5 0
3 years ago
A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at th
OlgaM077 [116]

Answer:

Interval [16.34 , 21.43]

Step-by-step explanation:

First step. <u>Calculate the mean</u>

\bar X=\frac{(23+18+23+12+13+23)}{6}=18.666

Second step. <u>Calculate the standard deviation</u>

\sigma =\sqrt{\frac{(23-18.666)^2+(18-18.666)^2+(23-18.666)^2+(12-18.666)^2+(13-18.666)^2+(23-18.666)^2}{6}}

\sigma=\sqrt\frac{18.783+0.443+18.783+44.435+5.666+18.783}{6}

\sigma=\sqrt{17.815}=4.22

As the number of data is less than 30, we must use the t-table to find the interval of confidence.

We have 6 observations, our level of confidence DF is then 6-1=5 and we want our area A to be 80% (0.08).  

We must then choose t = 1.476 (see attachment)

Now, we use the formula that gives us the end points of the required interval

\bar X \pm t\frac{\sigma}{\sqrt n}

where n is the number of observations.

The extremes of the interval are then, rounded to the nearest hundreth, 16.34 and 21.43

6 0
3 years ago
SOMEONE HELP ASAP WHATS THE MISSING ANGLE
Lapatulllka [165]

Answer:

130

Step-by-step explanation:

? is an exterior angle of a triangle

An exterior angle is equal to the sum of the two opposite interior angles ( 35 and 95 in this case )

That being said the missing angle = 95 + 35

95 + 35 = 130

Hence, the answer is 130

7 0
3 years ago
Read 2 more answers
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