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pychu [463]
2 years ago
6

1 If x= - 2, the value of the expression 5x² – 3x + = is (Type an integer or a decimal.)

Mathematics
1 answer:
Naddik [55]2 years ago
3 0

Step-by-step explanation:

The answer is 26 or 24 because I didn't understand what you have written after +

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If the measure of angle 2 is 120 degrees, find the measure of angle 4.
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Answer:

60 degrees

Step-by-step explanation:

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Find the length of side x in simplest radical form with a rational denominator
Yakvenalex [24]

Answer:

x = √(10)/2

Step-by-step explanation:

Here, we want to get the measure of the side marked x

what we have is an isosceles right triangle since the two acute angles of the right triangle are 45 degrees each

Hence, the other last side will measure x too

Mathematically, according to Pythagoras’; the square of the hypotenuse equals the sum of the squares of the two other sides

Thus;

x^2 + x^2 = (√5)^2

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x = √5/√2

Rationalizing the denominator;

x = (√2 * √5)/(√2 * √2)

x = √10/2

4 0
2 years ago
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Here is your answer mate







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