3 years ago

- X= 7

1 answer:

5 0

Answer:

To make a true equation, check your math to make sure that the values on each side of the equals sign are the same. Ensure that the numerical values on both sides of the "=" sign are the same to make a true equation. For example, 9 = 9 is a true equation. 5 + 4 = 9 is a true equation.You will be able to determine if an equation has one solution (which is when one variable equals one number), or if it has no solution (the two sides of the equation are not equal to each other) or infinite solutions (the two sides of the equation are identical).

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Which of the following is equivalent to the phrase "the product of thirty and a number is six"?

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30n=6 is the right answer.

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3 years ago

Question 1 ? Question 2 ? Question 3 ? Question 4 ? Question 5 ?

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1. 90 degrees

2. 23 degrees

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If 8.045 kilometers is about 5 miles, about how many kilometers is 13 miles? Round your answer to the nearest hundredth if neces

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3 years ago

Please help stuck on this question

just olya [345]

Answer:

110 - 2x

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

x + 50 + 5x - 40 + 110 - 2x = 180, that is

4x + 120 = 180 ( subtract 120 from both sides )

4x = 60 ( divide both sides by 4 )

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Thus

x + 50 = 15 + 50 = 65°

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110 - 2x = 110 - 2(15) = 110 - 30 = 80°

The largest angle is (110 - 2x)° = 80°

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