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3 years ago

A pair of parallel lines is cut by a transversal as shown below:

Mathematics

1 answer:

sergij07 [2.7K]3 years ago

3 0

The answer is 3 because they would equal the same value.

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10-5+x/3-8x+5/2=20 use LCM method

o-na [289]

Answer:

x=-75/46

Step-by-step explanation:

$10 - 5 + \frac{x}{3} - 8x + \frac{5}{2} = 20$

The LCM of the denominator is 6 because both 2 and 3 can go into 6.

$10 - 5 + \frac{2x}{6} - 8x + \frac{15}{6} = 20$

Multiply all terms by 6 to drop the fraction. Make sure to multiply both sides of the equation

$60 - 30 + 2x - 48x + 15 = 120$

Put all x values on one side

$2x - 48x = 120 - 60 + 30 - 15$

$- 46x = 75$

$x = - \frac{75}{46}$

7 0

3 years ago

What is the answer to 4r + 9r - 11r + 7r

baherus [9]

Answer: 9r

Step-by-step explanation:

4r+9r-11r+7r

13r-4r

7 0

4 years ago

PLZ HELP!!! WILL WIN BRAINLIEST!! Describe an everyday situation that involves dividing a mixed number by a fraction.

Leno4ka [110]

Answer:

If you are reading a recipe and have to find out what the appropriate amount of something is.

Step-by-step explanation:

I have a Recipe that calls for 1 cup of uncooked rice. Rice expands 3 fold during cooking. I have 2 1/2 cups of cooked rice. How much uncooked rice to I need to add to get the appropriate amount.

5 0

4 years ago

What does x equal in -0.4 (x+3)=4

Novosadov [1.4K]

Answer:

x=-13

Step-by-step explanation:

1. Divide both sides by -0.4

2. Subtract -3 on both sides.

3. -10-3=-13

3 0

4 years ago

Which quadratic function opens up? Y= -x^2+ 3 Y= -(x + 3)^2 Y= -3x^2 Y= x^2- 3

Rashid [163]

Answer:

y = x^2 - 3

Step-by-step explanation:

Quadratic function in general form:

y = ax^2 + bx + c

The graph opens up if a>0, opens down if a < 0

The function that opens up is:

y = x^2 - 3

3 0

4 years ago