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vodka [1.7K]
3 years ago
8

Three ladders measure 5 3/4 meters, and 7 1/4 meters in length. What is the difference between the longest and shortest lengths?

Mathematics
1 answer:
Dovator [93]3 years ago
3 0
7 1/4 - 5 3/4= 1 1/2 because you can either 1) change it into decimals: 7.25-5.75 and do simple subtraction or... 2) u can change the 7 to a 6 and add 4 to the numerator of 1/4 making the equation 6 5/4 - 5 3/4 = 1 2/4 which simplified to 1 1/2 I hope I didn’t confuse you! :))
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Solve the equation for x.<br> 2/3x-1/9x+5=20
Over [174]

Answer:

x = 27

Step-by-step explanation:

I'm assuming the equation looks like this:

\frac{2}{3}x-\frac{1}{9}x+5=20

Here's how to solve for x:

\frac{2}{3}x-\frac{1}{9}x+5=20

(subtract 5 from both sides)

\frac{2}{3}x-\frac{1}{9}x=15

(Find the GCF of 3 and 9, which is 3. Multiply 2/3 by 3/3. You get 6/9)

\frac{6}{9}x-\frac{1}{9}x=15

(add like terms)

\frac{5}{9}x=15

(multiply 9/5 to both sides, which is the same as dividing both sides by 5/9)

x = 27

Hope it helps (●'◡'●)

8 0
2 years ago
PLEASE HELP!!!! WILL GIVE YOU BRAINLIEST!!
borishaifa [10]

The graph means that 2 x and 9.4 make up 20 in total, so set up the equation 2x + 9.4 = 20.

Subtract 9.4 from both sides.

2x = 10.6

Divide by 2.

x = 5.3

The answer is the value of x that makes this equation true is 5.3

Hope this helps

5 0
3 years ago
Read 2 more answers
Plzz help right now i need the correct answer
Firlakuza [10]

Answer:

  1. x=6
  2. x=3
  3. x=9

Step-by-step explanation:

  1. 2(6)=12; there are 12 circles
  2. 2(3)+5=11; there are 11 circles on the right
  3. (9) + 12=21; there are 21 circles on the right
4 0
3 years ago
If ABCD is an isosceles trapezoid what is the value of X ac=7x-21 and bd=5x+13
Zanzabum

7x - 21 = 5x + 13

2x = 34

x = 17

Hope this helps!


7 0
3 years ago
Read 2 more answers
Match the equations with the definition
ratelena [41]

Answer:

answers below!

Step-by-step explanation:

1. none of the forms

2. point slope form

3. slope intercept form

4. point slope form

5. standard form

6. slope intercept form

point slope: y - y1 = m(x - x1)

slope intercept: y = mx + b

standard: ax + by = c

7 0
3 years ago
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