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Sergeeva-Olga [200]
4 years ago
11

Tina raised the number 3 to a power and then added 19 to the result .She obtained the sum 100. To what power did she raise 3 ?​

Mathematics
1 answer:
Romashka-Z-Leto [24]4 years ago
4 0

Answer:

3^4, she raised it to the 4th power

Step-by-step explanation:

3^x+19=100

-19

3^x=81

We can make a table now to find what power of three = 81

Powers of three table

3^1=3 3^2=9 3^3=27 3^4=81

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<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20-12%3D-4x" id="TexFormula1" title="x^{2} -12=-4x" alt="x^{2} -12=-4x" align="abs
Anit [1.1K]

Answer:

The answer for Factorization is (x+6)(x-2) = 0 or Solving for x is 2 and -6.

Step-by-step explanation:

x² - 12 = -4x

Factorisation :

x² + 4x - 12 = 0

x² - 2x + 6x - 12 = 0

x(x-2)x + 6(x-2) = 0

(x+6)(x-2) = 0

Solve for x :

(x+6)(x-2) = 0

x + 6 = 0

x = -6

x - 2 = 0

x = 2

3 0
3 years ago
Which equation represents a line that passed through (2,-1:2) and has a sloe of 3
ella [17]

The equation that represents a line that passed through (2,-1:2) and has a slope of 3 is y = 3x - 18

<h3>How to determine the equation of the line?</h3>

The points are given as:

(x1, y1) = (2, -12)

The slope is given as:

m = 3

The equation of the line is calculated using:

y = m(x - x1) + y1

So, we have:

y = 3(x - 2) - 12

Open the bracket

y = 3x - 6 - 12

Evaluate

y = 3x - 18

Hence, the equation of the line is y = 3x - 18

Read more about linear equations at:

brainly.com/question/1884491

#SPJ1

7 0
2 years ago
Which of the following are best described as lines that meet to form a right<br> angle?
Lynna [10]

Answer:

Two lines that intersect and form right angles are called perpendicular lines.

6 0
3 years ago
Read 2 more answers
Find the area of the shape shown below.
SCORPION-xisa [38]
The correct is 40 hope I helped
4 0
3 years ago
Read 2 more answers
Plz help
riadik2000 [5.3K]
  1. 4(20+22)
  2. 4(40+2)

This expression are equivalent to 4(42)

4 0
3 years ago
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