Try this option ↓
Step-by-step explanation:
1) according to the condition two angles are equal, then two sides are equal also, it means
2) √x+4=√(5x+4);
3) the 'x' can be calculated if to solve this equation:
;
4) finally, answer: 9.
In a certain chemical, the ratio of zinc to copper is 4 to 19. A jar of the chemical contains 836 grains of copper. How many gr
1 answer:
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Answer:
<h3>Step-by-step explanation:
Move 9 to right hand side and change it's sign
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Subtract 9 from 17
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Divide both sides of the equation by -4
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Calculate
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Hope I helped!
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