Answer:
x=5
Step-by-step explanation:
-5x+6(5x-18)=17
-5x+30x-108=17
25x-108=17
25x=17+108
25x=125
x=5
Wish I could help<span>What are the measures of the angles located at positions a, b, & c? Note: the figure is symmetrical on the vertical through angle b. <span>The large triangle is an isosceles triangle. The two angles on the base are equal.<span>Angle a = 35° </span></span><span><span>We now know two angles in the largest triangle. The third angle, angle b must add to these to make 180°. </span><span>35° + 35° + b = 180°b = 180° - 70°b = 110° </span></span><span><span>We now know two angles in a quadrilateral. The two unknown angles, including angle c are equal. All four angles add up to 360°. </span><span>2c + 110° + 120° = 360°2c = 360° - 230°2c = 130°c = 65°
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To solve this problem, the first thing we have to do is regroup the terms so that we can then subtract, simplify, subtract, and finally simplify again.
But first we must know.
<h3>¿What are the equations?</h3>
Equations are those mathematical equalities divided between two expressions which are called members and separated by their equal sign, in which known elements and unknown or unknown data appear, related by mathematical operations.
<h3>We solve the problem:</h3>
- 8n - 7 = -12 + 3n
- 8n - 7 = 3n - 12
- 8n - 7 - 3n = -12
- 5n - 7 = -12
- 5n = -12 + 7
- 5n = -5
- N = -1
Now we must check our results.
8n -7 = -12 + 3n
8 × - 1 - 7 = -12 + 3 × - 1
- 8 - 7 = - 12 - 3
- 15 = - 12 - 3
- 15 = - 15
So, our results are correct, the answer is n = - 1
¡Hope this helped!
Answer: Angles A and C are vertical angles.
Step-by-step explanation:
Answer:
Nominal
Step-by-step explanation:
There are four levels of measurement of data listed below in increasing order:
Nominal
Ordinal
Interval
Ratio
The nominal level of measurement is the lowest level that deals with names, categories and labels. It is a qualitative expression of data e.g Colors of eyes, yes or no responses to a survey, and favorite breakfast cereal all deal with the nominal level of measurement.
Data at this level can't be ordered in a meaningful way, and it makes no sense to calculate things such as means and standard deviations.
