3 years ago

Given PQR ~ JKL solve for X

Mathematics

2 answers:

Naya [18.7K]3 years ago

4 0

The answer would be x=4

Sergeeva-Olga [200]3 years ago

3 0

The answer would be 4

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(3x+2)∧2=9 how do i solve this in the square root property

Irina18 [472]

$(3x+2)^2=9 \\\\9x^2+12x+4-9=0\\\\9x^2+12x-5=0\\\\a=9,\ \ b=12, \ \ c=-5$

$x_{1}=\frac{-b-\sqrt{b^2-4ac}}{2a}=\frac{-12-\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12-\sqrt{144+180}}{18}=\\\\=\frac{-12-\sqrt{324}}{18}=\frac{-12-18}{18}=\frac{-30}{18}=-\frac{5}{3}\\\\x_{2}=\frac{-b+\sqrt{b^2-4ac}}{2a}=\frac{-12+\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12+18}{18}=\frac{6}{18}=\frac{1}{3} \\\\Answer: \ x=-\frac{5}{3}\ \ and \ \ x=\frac{1}{3}$

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3 years ago

If x. 5x and 6x are the measures of the

max2010maxim [7]

Answer:

<em>Since one of the angles is 90°, the triangle is right.</em>

Step-by-step explanation:

<u>Angles in a Triangle</u>

The sum of angles in a triangle is 180°. We are given the angles are x, 5x, and 6x, thus:

x + 5x + 6x = 180

Simplifying:

12x = 180

Dividing by 12:

x = 180/12 = 15

x = 15°

5x = 75°

6x = 90°

Since one of the angles is 90°, the triangle is right.

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3 years ago

A sample statistic becomes more accurate as the same size increases due to

vova2212 [387]

Idk what you r asking help

5 0

3 years ago

If a number n is a multiple of two,then n is even.

Mashcka [7]

Answer:

yes any multiple of 2 is even

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2 years ago

What are the answer to these 5 questions this worth 20 points btw

Sunny_sXe [5.5K]

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3 years ago