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Diano4ka-milaya [45]
3 years ago
7

10 points! Solve the equation. If necessary, round your answer to the nearest tenth.

Mathematics
2 answers:
Julli [10]3 years ago
7 0
If x² = 196, then we must do the inverse (square root) to find x. However, the square root of any positive number will always be ± (plus or minus).

That means you have to do:

√196 = x
x = <span>±14. 

We can check this by doing:

14 </span>× 14 = 196
-14 × -14 = 196

Therefore the answer is B) -14, 14. 
Andrej [43]3 years ago
6 0
X²=196
x=⁺₋√196=⁺₋14

We have two solutions: -14 and +14

Answer: B) -14,14
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Answer:

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Step-by-step explanation:

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Since there are two negative signs next to each other, they both cancel out and become positive so instead you get

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your gas bill went up from $125 per month to $150 per month. what is the percent increase of your gas bill?
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3 years ago
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An art teacher has a roll of mural paper that is 5 meters long.
Ivenika [448]
<h3>Answer: 50</h3>

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0.10 meter = 1 decimeter

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6 0
2 years ago
Find each missing measure in the diagram below.
lys-0071 [83]

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8 0
2 years ago
PYTHAGORAS THEROM AND TRIGONOMETRY RATIO​
marysya [2.9K]

Answer:

1) ΔACD is a right triangle at C

=> sin 32° = AC/15

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2) ΔABC is a right triangle at C, using Pythagoras theorem, we have:

AB² = AC² + BC²

⇔ AB² = 7.9² + 9.7² = 156.5

⇒ AB = 12.5 (cm)

3)  ΔABC is a right triangle at C

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⇔ sin ∠BAC = 9.7/12.5 = 0.776

⇒ ∠BAC ≈ 50.9°

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Step-by-step explanation:

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