Help me, please!! Estoy desesperada y no hablo inglês!! Help

Answers

Answer 1

Answer: Log x^n = nLog x
log x + log x^2 + log x^3
Log x + 2 log x +3 log x = -6
6 log x = -6
Log x = -1
X=10^-1 = 1/10
Respuesta final
X=1/10

Answer 2

Answer: $D:x>0\n\log x+\log x^2+\log x^3=-6\n\log (x\cdot x^2\cdot x^3)=\log 10^(-6)\nx^6=10^(-6)\nx^6=\left((1)/(10)\right)^6\n \boxed{x=(1)/(10)}$

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If 2.2 pounds = 1 kilogram and Mary weighs 120 pounds, how much does she weigh in
kilograms?

Answers

Final answer:

To convert a weight in pounds to kilograms, you divide the weight in pounds by 2.2. So, if Mary weighs 120 pounds, her weight in kilograms would be about 54.54.

Explanation:

First, you need to know that the conversion factor between pounds and kilograms is 2.2 pounds = 1 kilogram. This means if you want to convert a weight in pounds to kilograms, you should divide the weight in pounds by 2.2.

In Mary's case, she weighs 120 pounds. To find her weight in kilograms, you simply divide 120 by 2.2, which equals approximately 54.54 kilograms.

Therefore, Mary's weight in kilograms is roughly 54.54 kg.

Learn more about Weight Conversion here:

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Answer:

54.4311

Step-by-step explanation:

divide the mass value by 2.205 (unit of conversion) :)

What is the measure of the indicated angle 103° ?

Answers

Answer:

77 degrees.

Step-by-step explanation:

180-103=77

77 degrees is the measure of that temperature 180-103=77

A sample with which of these variances has a standard deviation that is greater than the variance?A. 2.25
B. 1.75
C. 0.75
D. 1.25

Answers

By using relation between standard deviation and variance we got that sample with 0.75 variance has a standard deviation that is greater than the variance

What is standard deviation?

Standard deviation is a number used to tell how measurements for a group are spread out from the average (mean), or expected value

Here we have to find a sample with standard deviation greater than the variance.

We know that Standard deviation is the square root of the variance so if we want a sample with greater Standard deviation than the variance then it's variance should be less than one as we know that if

$0 < x < 1 \Rightarrow \sqrt x > x$

And here given variances are

2.25, 1.75,0.75 and 1.25

Hence 0.75 is correct answer

By using relation between standard deviation and variance we got that sample with 0.75 variance has a standard deviation that is greater than the variance

To learn more about standard deviation visit :brainly.com/question/12402189

Standard deviation is the square root of the variance. For the square root of a number to be greater than the number, the number must be between 0 and 1.
Hence, for the standard variation to be greater than the variance, the variance must be between 0 and 1.

Answer: C [0.75]

(05.02 LC)Solve the following system:

y = x + 3
2x + y = 9

(2, 5)
(5, 2)
(−2, 5)
(2, −5)

Answers

Your Answer: A.) (2 , 5) I also provided the steps.

Hope this helps y'all :)

N triangle xyz, m∠z > m∠x m∠y. which must be true about △xyz?

Answers

The choices are the below that can be found elsewhere:

m∠X + m∠Z < 90°

m∠Y > 90°

∠X and∠Y are complementary

m∠X + m∠Y < 90°

Since the given is m<Z > m<X +m<Y and the sum of measure of angles of a triangle is equal 180 degrees so from this result that the last one choice need being true sure so m<X +m<Y < 90°

For the triangle xyz, m∠z > m∠x + m∠y the total internal angles of a triangle is 180, therefore, m∠x + m∠y < 90° is a true statement.

How to form angles of triangles?

The sum of angles in a triangle is equals to 180 degrees.

Therefore, if the angles of a triangle are x, y and z,

x + y + z = 180 degrees

If m∠z > m∠x + m∠y,

Therefore, m∠x + m∠y the two other angles should be less than 90 degrees.

Hence,

m∠x + m∠y < 90°

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How do you write fourteen and seven tenths squared in all three forms?

Answers

The 3 forms of expressing fourteen and seven tenths squared are;

(14⁷/₁₀)²; (147/10)²; (14.7)²

How to express fractions in decimal form

We want to express 14 and 7/10 all squared in all three forms.

The first form is in mixed fraction which is;

(14⁷/₁₀)²

Second form is in improper fraction form which is;

(147/10)²

Third form is in decimal form which is; (14.7)²

Read more about fractions to decimal form at; brainly.com/question/293712

14.7 squared
14 7/10 squared
14.7 × 14.7

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