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ycow [4]
3 years ago
10

How do i cross multiply 1/25 = x/125

Mathematics
1 answer:
irakobra [83]3 years ago
4 0

Multiply 1 by 125, and 25 by x so you can solve for x.

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Doug makes a parallelogram-shape sign for his shop. What is the area of this parallelogram? Round to the nearest hundredth. A) 5
Nady [450]
1.9x2.8 + 3.2+2.8 = 14.28
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3 years ago
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What is wrong with the following proof? Clearly we know that 1 does not equal 2. What rule of algebra did we break that makes th
Gnoma [55]

An attempt to divide by zero gives a contradictory result

A rule of algebra broken is <u>dividing by zero</u> (leading to a contradiction) and stating a finite result

Reason:

The given calculation is presented as follows;

1. a > 0, b > 0 given

2. a = b given

3. a·b = b²

4. a·b - a² = b² - a²

5. a·(b - a) = (b + a)·(b - a)

6. a = b + a

7. 0 = b

8. b = 2·b

9. 1 = 2

From line 4, the result are;

4. a·b - a² = b² - a² = 0

5. a·(b - a) = (b + a)·(b - a) = 0

On line 6, both sides where divided by (b - a) = 0, which should given an infinite result

Therefore, one rule of algebra broken is dividing by zero to get a finite result

In line 7, we have;

7. 0 = b

From 6. a = b + a, and a = b, we have;

8. b = 2·b

Therefore, line 9 should be;

9. 0 = 2·0; 0 = 0, given that we have;

1 × 0 = 0

2 × 0 = 0

∴ 1 × 0 = 2 × 0

However

  • 1 ≠ 2

In line 9., by dividing by b = 0, again, we have;

  • 9. 1 = 2 (a contradiction)

Therefore, one rule of algebra that is broken is <u>dividing by zero</u> and having a finite result

Learn more about the rules of algebra here:

brainly.com/question/11388301

5 0
3 years ago
Write the equation of the line in slope-intercept form
NikAS [45]

Answer: Y = 7/8x+ 2.25

Step-by-step explanation:

  • you would subtract both y  7
  • subtract both x    -8
  • y=7/8x+b
  • 3= 7/8 x-2 +b
  • 3     = 1.75 + b
  • -1.75           -1.75
  • 2.25 = b

8 0
3 years ago
Expressions cannot _____.
Gwar [14]
Expressions cannot <u>be solved.
</u>Although they are similar to equations, you can solve an equation, but you cannot solve an expression. You can evaluate it, simplify it, and it can have many variables, however, an expression just exists, it is not a problem that has to be solved.<u>
</u>
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3 years ago
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What’s the slope of C=50t+100
balandron [24]

Answer:

50

Explanation:

This equation is in y = mx+b form.

The m is the slope and the b is the y intercept. So, 50 is the slope and 100 is the y-intercept.

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