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Vadim26 [7]
3 years ago
14

Solve. 3 1/4 - 1 5/8

Mathematics
2 answers:
erik [133]3 years ago
6 0

Step 1. Convert 3 1/4 to an improper fraction.

3 * 4 + 1/4 - 1 5/8

Step 2. Simplify 3 * 4 to 12

12 + 1/4 - 1 5/8

Step 3. Simplify 12 + 1 to 13

13/4 - 1 5/8

Step 4. Convert 1 5/8 to an improper fraction.

13/4 - 1 * 8 + 5/8

Step 5. Simplify 1 * 8 to 8

13/4 - 8 + 5/8

Step 6. Simplify 8 + 5 to 13

13/4 - 13/8

Step 7. Find the Least Common Denominator (LCD) of 13/4, 13/8

LCD = 8

Step 8. Make the denominators the same as the LCD

13 * 2/ 4 * 2 - 13/8

Step 9. Simplify. Denominators are now the same

26/8 - 13/8

Step 10. Join the denominators

26 - 13/8

Step 11. Simplify

13/8

Step 12. Convert to a mixed fraction

1 5/8


Lilit [14]3 years ago
6 0

Get a common denominator for each fraction (it is 8)

 3  2/8

- 1   5/8


Then you need to borrow from the whole number (8/8)

 2  10/8

-1    5/8

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

1     5/8


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IDK this I really need help with this if anyone wants to help plz do
LUCKY_DIMON [66]
(b+5)(b-7)
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5 0
2 years ago
Alpha will be marked
Galina-37 [17]

Answer:

The answer is 3.

Step-by-step explanation:

Since you do the parentheses first, you will figure out what why is. Y = 3, because 3*3 =9, and 9-9=0.

8 0
2 years ago
Read 2 more answers
What's the answer ? To this question
Airida [17]
You could use the equation y=mx+b

Find the slope of the two coordinates. I would personally suggest using stack and subtract:

(0,2) 2-5 -3 3
(2,5) -------= ------= -----
0-2 -2 2

We have the slope but we need to find the y-intercept.

y=3
--x+b
2

Plug one of the coordinates in the constructed equation above:

2=3
-- (0)+b
2

2=0+b
-0=-0
------------
b=2

We found the slope and y-intercept. Now we have our complete equation. The equation is:

y=3
--x+2
2


Have a blessed day!
7 0
3 years ago
After having been on the air for more than a decade, Fox's American Idol seemed to be suffering from viewer fatigue. The average
ElenaW [278]

Answer:

a) In the first season, there were 25.450 million viewers.

b) In the fourth season, the number of viewers was 11.950 million.

Step-by-step explanation:

Hi there!

The average number of viewers in season t is given by the following function:

f(t) = 32.744 e^{-0.252t}

a) To obtain the average number of viewers in season 1, we have to evaluate the function at t = 1:

f(1) = 32.744e^{-0.252 (1)} = 25.450

In the first season, there were 25.450 million viewers.

b) Now we have to evaluate the function at t = 4:

f(4) = 32.744e^{-0.252(4)} = 11.950

In the fourth season, the number of viewers was 11.950 million.

3 0
3 years ago
I am stuck with question 9.b on Algebra
MrMuchimi
The answer is f= 2e+g / 3 I think
3 0
3 years ago
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