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Stolb23 [73]
3 years ago
14

21^3 times 4^2 brainly for the correct n nice answer

Mathematics
2 answers:
ohaa [14]3 years ago
6 0

Answer:

148176

Step-by-step explanation:

saw5 [17]3 years ago
6 0

Answer:

148176

Step-by-step explanation:

21^3 = 9261

4^2 = 16

9261 × 16 = 148176

brainliest is appreciated

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You want to estimate the population proportion of pine trees over 90 years old in a forest near where you live. You need a margi
iragen [17]

Answer:

b

Step-by-step explanation:

Minimum sample size for estimating  the population proportion of pine trees over 90 years old in a forest near where you live with <em>margin of error</em> no more than 2% can be calculated using the equation:

n≥ p×(1-p) × (\frac{z}{ME} )^2 where

  • n is the sample size
  • p is the proportion of pine trees over 90 years old in a forest near where you live
  • z is the corresponding z-score for the confidence level
  • ME is the margin of error in the estimation (2% or 0.02)
5 0
3 years ago
The measure of the supplement of an angle is three times the measure of the
gtnhenbr [62]
<h2>Answer:</h2>

<h3><em>x=45degrees</em></h3>

<h2>Step-by-step explanation:</h2>

Let the angle to be solved be x

Let the supplement/compliment by y

x+y=90 Complimentary angles add up to 90 degrees.

x+3y=180 Supplementary angles add up to 180 degrees, the other angle is thrice the other compliment.

Evaluating this as a system:

x+y=90 Isolate x:

x=90−y Input into the other equation:

(90−y)+3y=180 Combine like terms, isolate y and its coefficients:

2y=90 Isolate y

y=45 Input into the first equation:

x+45=90 Isolate x:

x=45degrees

5 0
3 years ago
Solve: 6x+1=2(3x-2)+5​
zalisa [80]

Answer:

The answer is infinitely many.

Step-by-step explanation:

6x+1=2(3x-2)+5

6x+1=6x-4+5

6x+1=6x+1

6x=6x+0

6x=6x

The result is the same. Therefore, every number is an answer.

5 0
3 years ago
May Anyone Check If My Answer Is Correct, Thanks
tatuchka [14]
The correct answer is actually A because $2.50 is a cost per hour the skates are rented for. Hope this makes sense.
6 0
3 years ago
Read 2 more answers
Which exponential equation is equivalent to this logarithmic equation?<br> log x = 4
zaharov [31]

Answer:

B

Step-by-step explanation:

Use the definition of a logarithm,  log b ( x ) = y  ⟹  b y = x , to convert from the logarithmic form to the exponential form. 10^ 4 = x

4 0
3 years ago
Read 2 more answers
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