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Diano4ka-milaya [45]
4 years ago
7

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

Mathematics
2 answers:
Julli [10]4 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]4 years ago
6 0
X²=196
x=⁺₋√196=⁺₋14

We have two solutions: -14 and +14

Answer: B) -14,14
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the denominator of a rational number is greater then it's numerator is increased by 11 and the denominator is decreased by 1, th
Kryger [21]

Answer:

7/3

7 is increased by 11 so you decrease it by 11

7-11= -4

3 is decreased by 1 so you increase it by 1

3+1= 4

-4/4

7 0
3 years ago
If F= - 1 - 9 , G= 7 - 9 , and d=3, what is dF+G?
olga2289 [7]
Hello! -1 - 9 is -10. F = -10. 7 - 9 is -2. G = -2.

F = -10
G = -2
d = 3

Okay, so because d and F are beside each other, we multiply both of the values. Let's plug in the values. -10 * 3 is -30. This is because one negative and one postive make a negative number. Now, we add the number. Because it is negative, we have to go into the negatives more. -30 + (-2) is -32. There. The answer is -32.
6 0
4 years ago
Consider the right triangle with hypotenuse 5, horizontal leg x , vertical leg y , and angle ∅ opposite y. How can we view x as
bonufazy [111]

9514 1404 393

Answer:

  • x = √(25 -y²)
  • x = 5cos(Ф)

Step-by-step explanation:

The Pythagorean theorem relates the sides of a right triangle.

  x² + y² = 5²

  x² = 25 -y²

  x = √(25 -y²)

__

The cosine function relates the adjacent side and the hypotenuse of an acute angle in a right triangle.

  Cos = Adjacent/Hypotenuse

  Adjacent = Hypotenuse × Cos

  x = 5·cos(Ф)

6 0
3 years ago
What is the long division for 315 divided by 15
AleksAgata [21]
Simply divide 315 by 15= 21<u />

hard to illustrate but first 31/15= 2 remainder 1
15/15 =1

answer =21 
hope this helps
7 0
3 years ago
Read 2 more answers
Which expression is a polynomial
patriot [66]

Answer:

4x^3-2x^2+5x-6+\frac{1}{x} is a polynomial

Step-by-step explanation:

a polynomial is a set of numbers with multiple terms that are not simplify able

9x^7y^{-3} z is not a polynomial because its actually one term, there is no addition/subtraction of different terms.

-13 is a single number, so not a polynomial

13x^-2 is also a single number, not a polynomial

8 0
3 years ago
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