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Andrews [41]
2 years ago
6

Solve for x in the picture below. Thanks! Will give brainliest.

Mathematics
1 answer:
Nonamiya [84]2 years ago
3 0

Answer:

these triangles some is 90°.

72°+2x=90°

2x=90°-72

2x=18

x=18/2

x=9

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What is the LCD of 1/6 and 5/12 and 11/18
Oksi-84 [34.3K]
Finding the Lowest Common Denominator of: \frac{1}{6} ;  \frac{5}{12} ;  \frac{11}{18} 


Here's to find out how it was our LCD:  \frac{1}{6} =  \frac{6}{36}
                                                          \frac{5}{12} =  \frac{15}{36}
                                                           \frac{11}{16} =  \frac{22}{36}
To  find the fraction on the right side we had to multiply (and somewhat divide to get the answer)

So, therefore the Lowest Common Denominator of this question would most likely be: 36

Good Luck! 
5 0
2 years ago
8 1/2 is an example of an improper fraction.<br> true or false?
vivado [14]
It is false!!! 8 1/2 is a mixed number!! when they have a whole number in front of it such as 8, or etc. and also. fraction... it's. mixed fraction! an improper fraction is like 57/4!! a big number over a smaller number!
7 0
3 years ago
Use the quadratic formula to solve 9x2 + 6x – 17 = 0. A. B. x = –1, –5 C. D.
Taya2010 [7]

Answer:

x_{1} = -\frac{1}{3} +\sqrt{2} ; x_{2} = -\frac{1}{3}-\sqrt{2}

Step-by-step explanation:


9x² + 6x – 17 = 0

Apply the quadratic formula

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}

a = 9; b = 6; y = -17

x = \frac{-6\pm\sqrt{6^2 - 4\times 9 \times(-17)}}{2\times 9}

x = \frac{-6\pm\sqrt{36+36\times17}}{18}

x = \frac{-6\pm\sqrt{36(1+17)}}{18}

x = \frac{-6\pm 6 \sqrt{18}}{18}

x = \frac{-1\pm \sqrt{9\times2}}{3}

x = \frac{-1\pm 3\sqrt{2}}{3}

x_{1} = -\frac{1}{3} +\sqrt{2} ; x_{2} = -\frac{1}{3}-\sqrt{2}

The graph below shows the roots at x₁ =1.081 and x₂ = -1.748.

6 0
3 years ago
Jia spends $8 on 4 pounds of fruit. How much would he pay for one pound of fruit?
krek1111 [17]

Answer:

2 dollars

Step-by-step explanation:

For 4 pounds of fruit he pays 8 dollars. If you use the unit rate it is 2 dollars for every one pound of fruit

4 0
3 years ago
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What is the sum of the exterior angle measures for an irregular convex octagon?
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The sum of ext. angles on any convex polygon is always 360 degrees
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