2x2x2x2.5 divided 1.2+120

Answer:

J. Is the answer

Step-by-step explanation:

4 x 1/2 is 2 lol

Answer:

x is equal to 1/2

Step-by-step explanation:

Subtract 2 from both sides to get

2 = 4x

divide both sides by 4 to get

2/4 = x

then simplify 2/4 to get your answer of 1/2

In the given diagram, the length of arc AB is 10.05.

From the question, we are to determine the length of arc AB.

From the formula for calculating the length of an arc, we have that

Length of an arc = θ/360° × 2πr

Where θ is the angle subtended by arc at the center of the circle

and r is the radius of the circle

In the given diagram,

Angle subtended by the arc = 48°

Radius, r = 12

Therefore,

The length of the arc = 48/360 × 2×3.14×12

Length of the arc = 2/15 × 1884/25

Length of the arc = 10.05

Hence, the length of AB is 10.05

Learn more on Calculating the length of an arc here: brainly.com/question/16552139

#SPJ1

Answer:

the awnser is two

Step-by-step explanation:

Pretty sure the answer is 2

The average is 40 and  the margin of error is 10.95.

What is margin of error?

The margin of error is a statistic expressing the amount of random sampling in the result of a survey.

Average (A) = sum of all the value/ given set.

A = (51+ 41 + 28)/3 = 40

margin of error = 100/square root of 120 = 10.95.

Therefore, the average is 40 and  the margin of error is 10.95.

Learn more about margin of error here:

https://brainly.com/question/31154636

#SPJ1

The required coefficients are:4, -1, -11, and 7.

Coefficients refer to the numerical values that are assigned to variables in mathematical equations, models, or formulas. They indicate the relative importance or contribution of each variable in the equation. Coefficients are used to determine the relationship between variables and are often estimated through statistical analysis or optimization techniques.

In algebraic equations, coefficients are the numbers multiplied by variables. For example, in the equation 2x + 3y = 5, the coefficients are 2 and 3.

In statistical models, such as linear regression, coefficients represent the slopes or weights assigned to the predictor variables. These coefficients indicate how much the response variable is expected to change for a unit change in the corresponding predictor variable, assuming all other variables are held constant.

We need to consider the polynomial:

(4mn^2n - 2mn + 6) + (6mn^2 - 1) - (mn^2 - 2 + 9mn)

To combine the like terms and find the coefficients of each term, we can write the polynomial in the following form:

4mn^2n - 2mn + 6 + 6mn^2 - 1 - mn^2 + 2 - 9mn

Taking the coefficients of the terms with "mn^2"4mn^2n - mn^2

Taking the coefficients of the terms with "mn"-2mn - 9mn = -11mn

Taking the coefficients of the constant terms6 + 2 - 1 = 7

Therefore, the required coefficients are:4, -1, -11, and 7.

For more such questions on coefficients , Visit:

https://brainly.com/question/1038771

#SPJ8

Lets find the upperlimit and lower limit of data .

Hence the value 12 isn't included in data

Step-by-step explanation:

Lower limit= Mean-Standard Deviation=17.2

Upper limit=Mean+ Standard Deviation= 22.8

Hence, 12 isn't included in data

A: If 2 parallel lines are cut by a transversal, then the corresponding angles are congruent.

Answer:

What is f?

Step-by-step explanation:

Answer:

D is the correct answer.

Step-by-step explanation:

5* [10 ; 5] = [50 ; 25].

by the way the semi column stands for that the next elememt is on the next row.

for A and C choices, they are wrong since we can't multiply two matrices even if the number of columns of the first matrix is equal to the number of rows of the second.

Answer:(4,5π/4)

Step-by-step explanation:

Note that the point is on the circle whose radius is labeled 4, so r=4. The angle of the point is 5π4, so θ=5π4. Thus, the polar coordinates are (4,5π4).

Answer:

y = 2

Step-by-step explanation:

y varies inversely with x setup is:

y = k/x

7 = \(\frac{k}{2/3}\)  (find 'k')

k = 7/1 · 2/3

k = 14/3

use what you know about 'k' and 'x' to solve for 'y'

y = 14/3 ÷ 7/3  (remember to multiply by the reciprocal when dividing fractions)

y = 14/3 · 3/7

y = 2

Answer:

proportion: 3/2 roses = 38.70, (3/2)/38.70 = 1/x, x = 25.80 dollars I believe

Step-by-step explanation:

Answer:

i know this isnt suppose to be here or any of that but this needs to be stop any where...ok now that i have your attention everyone needs to know this people all over the world are burning bibles LETS STOP THIS because that is so disrepecful that people are doing that to the bible and thats hurting jesus and gods heart LETS STOP THIS BURNING BIBLE STUFF pls copy and paste this and share the word so we can stop this.

Step-by-step explanation:

Answer:irdk im aorry i wish i could help because im in the same boat.

Step-by-step explanation:

Answer:

The very last one is the correct answer.

Step-by-step explanation:

1 * 3 = 3

6 * 3 = 18

Do this for the other ones and you will get it right.

Answer:

\((a^6b^1^2)^\frac{1}{3}\) = \(a^2b^4\)

\(\frac{(a^5b^3)^\frac{1}{2}}{(ab)^-^\frac{1}{2}}\) = \(a^3b^2\)

\((\frac{a^5}{a^-^3b^-^4})^\frac{1}{4}\) = \(a^2b\)

\((\frac{a^3}{ab^-^6})^\frac{1}{2}\) = \(ab^3\)

Step-by-step explanation:

Simplify each of the expressions:

1

\((a^6b^1^2)^\frac{1}{3}\)

Distribute the exponent. Multiply the exponent of the term outside of the parenthesis by the exponents of the variable.

\((a^6b^1^2)^\frac{1}{3}\)

\(a^6^*^\frac{1}{3}b^1^2^*^\frac{1}{3}\)

Simplify,

\(a^2b^4\)

2

Use a similar technique to solve this problem. Remember, a fractional exponent is the same as a radical, if the denominator is (2), then the operation is taking the square root of the number.

\(\frac{(a^5b^3)^\frac{1}{2}}{(ab)^-^\frac{1}{2}}\)

Rewrite as square roots:

\(\frac{\sqrt{a^5b^3}}{\sqrt{(ab)}^-^1}\)

A negative exponent indicates one needs to take the reciprocal of the number. Apply this here:

\(\frac{\sqrt{a^5b^3}}{\frac{1}{\sqrt{ab}}}\)

Simplify,

\(\sqrt{a^5b^3}*\sqrt{ab}\)

Since both numbers are under a radical, one can rewrite them such that they are under the same radical,

\(\sqrt{a^5b^3*ab}\)

Simplify,

\(\sqrt{a^6b^4}\)

Since this operation is taking the square root, divide the exponents in half to do this operation:

\(a^3b^2\)

3

\((\frac{a^5}{a^-^3b^-^4})^\frac{1}{4}\)

Simplify, to simplify the expression in the numerator and the denominator, the base must be the same. Remember, the base is the number that is being raised to the exponent. One subtracts the exponent of the number in the denominator from the exponent of the like base in the numerator. This only works if all terms in both the numerator and the denominator have the operation of multiplication between them:

\((\frac{a^8}{b^-^4})^\frac{1}{4}\)

Bring the negative exponent to the numerator. Change the sign of the exponent and rewrite it in the numerator,

\((a^8b^4)^\frac{1}{4}\)

This expression to the power of the one forth. This is the same as taking the quartic root of the expression. Rewrite the expression with such,

\(\sqrt[4]{a^8b^4}\)

SImplify, divide the exponents by (4) to simulate taking the quartic root,

\(a^2b\)

4

\((\frac{a^3}{ab^-^6})^\frac{1}{2}\)

Using all of the rules mentioned above, simplify the fraction. The only operation happening between the numbers in both the numerator and the denominator is multiplication. Therefore, one can subtract the exponents of the terms with the like base. The term in the denomaintor can be rewritten in the numerator with its exponent times negative (1).

\((a^3^-^1b^(^-^6^*^(^-^1^)^))^\frac{1}{2}\)

\((a^2b^6)^\frac{1}{2}\)

Rewrite to the half-power as a square root,

\(\sqrt{a^2b^6}\)

Simplify, divide all of the exponents by (2),

\(ab^3\)

Answer:

64

Step-by-step explanation:

He will run 30 laps in 60 minutes because 10 times 3 and so if you divide 20 by 10 then he runs one lap in 2 minutes so 2 times 32 is 64 so it will take him that long

Since the correlation coefficient is always between -1 and 1 and only -1.645 is not between -1 and 1. Hence, option B is the correct answer to this question.

The correlation coefficient is always between -1 and 1.

The value of r should be between -1 and 1.

so, -1<= r <= 1.

1=1

1.645 > 1

-k = 0 < 1

-1 = -1

-1 < 0.001 < 1

-1 < -0.751 < 1

Only -1.645 is not between -1 and 1.

So, we can say that -1.645 could not be a value for r.

Hence, the correct option is -1.645.

Read more about the Correlation Coefficient:

brainly.com/question/4219149

#SPJ4

Answer:

36

Step-by-step explanation:

Any number on top, like 6^2 is multiply the number by itself accordingly to the number on top. For example, if it is 6 to the 4th, then you multiply 6 by itself 4 times, and you will get 1296. Squaring is a number multiplying to itself according to the exponet.

Answer/Explanation:

Starch and glycogen are both polysacharide molecules, meaning they are made up of chains of monosaccharides - sugars. They are both polymers of glucose monomers.

However, they differ in structure. Glycogen is far more branched than starch.

Starch is the storage carbohydrate most often found in plants, whereas glycogen is the storage carbohydrate most often found in animals and fungi.

Answer:

The maximum profit the florist will earn from selling celebration bouquets is $725.

The florist will break-even after one-dollar decreases when her profit is zero. From the graph, this occurs at x = 10. So the florist will break-even after 10 one-dollar decreases.

The interval of the number of one-dollar decreases for which the florist makes a profit from celebration bouquets is (0, 10). This is because the profit is positive for values of x between 0 and 10, and becomes negative after 10.

Step-by-step explanation:

The values of the composite function and its derivative are 1 / 16 and - 1 / 32.

In this problem we find the case of a composite function, whose parts are described by a table given. The following conditions are given for the composite function:

h(x) = (x⁴ + g(x))⁻²; x = 1

First, evaluate the components of the composite function:

x = 1

x⁴ = 1

g(1) = 3

Second, evaluate the composite function:

h(1) = (1 + g(1))⁻²

h(1) = (1 + 3)⁻²

h(1) = 4⁻²

h(1) = 1 / 4²

h(1) = 1 / 16

Now we determine the derivative of the function. Then, by derivative rules we find:

h'(x) = - 2 · (x⁴ + g(x))⁻³ · (4 · x³ + g'(x))

h'(1) = - 2 · (1 + 3)⁻³ · (4 · 1 + 0)

h'(1) = - 2 · 4⁻⁴ · 4

h'(1) = - 2 · 4⁻³

h'(1) = - 2 / 4³

h'(1) = - 2 / 64

h'(1) = - 1 / 32

To learn more on derivatives: https://brainly.com/question/25324584

#SPJ1

Answer:

c

Step-by-step explanation:

Answer:

Step-by-step explanation:

Exchange rates are the rates at which one currency can be exchanged for another currency. They represent the value of one currency relative to another currency.

Answer:

Parameter

Step-by-step explanation:

A statistic describes a sample.  A parameter describes a population.  Since the entire population of second graders in the district is surveyed, this is a parameter.

By substitution, we will see that the solution of the system is:

x = 13, y = 11, z = -1

The correct option is D.

Here we have a system of 3 equations:

x + y + 8z = 16

2x + 7z = 19

4x - 4y + 4z = 4

I will solve it by substitution, first, let's simplify the equations. Here we can divide the third equation by 4 so we remove all the common factors, then the system becomes:

x + y + 8z = 16

2x + 7z = 19

x - y + z = 1

Now, I will isolate x on the second equation:

x = (19 - 7z)/2 = (19/2) - (7/2)*z = 9.5 - 3.5*z

Now we can replace that on the other two equations:

(9.5 - 3.5*z) + y + 8z = 16

(9.5 - 3.5*z) - y + z = 1

Rewriting the system we get:

y + 4.5z = 6.5

-y - 2.5z = -8.5

Now we can isolate y on the first equation:

y = 6.5 - 4.5z

Replacing that on the other equation we get:

-(  6.5 - 4.5z) - 2.5z = -8.5

-6.5 + 4.5z - 2.5z = -8.5

2z = -8.5 + 6.5 = -2

z = -2/2 = -1

Then the value of y is:

y = 6.5 - 4.5z = 6.5 - 4.5*(-1) = 11

And the value of x is:

x = 9.5 - 3.5*z = 9.5 - 3.5*(-1) = 13

So the solution of the system is:

x = 13, y = 11, z = -1

The correct option is D.

If you want to learn more about systems of equations:

https://brainly.com/question/13729904

#SPJ1

The mathematics SAT score representing the top 1% of all scores is approximately 780.

a. The random variable in this case is the mathematics SAT score.

b. To find the probability that a person has a mathematics SAT score over 700, we need to calculate the z-score first.

The z-score is calculated as \(\frac{(X - \mu )}{\sigma}\),

where X is the value we're interested in, μ is the mean, and σ is the standard deviation.

In this case, X = 700, μ = 514, σ = 117.

Using the formula, the z-score is \(\frac{(700 - 514)}{117 } = 1.59\).

To find the probability associated with this z-score, we can consult a standard normal distribution table or use a calculator.

The probability is approximately 0.0564 or 5.64%.

c. To find the probability that a person has a mathematics SAT score of less than 400, we again calculate the z-score using the same formula.

X = 400, μ = 514, and σ = 117.

The z-score is \(\frac{(400 - 514) }{117 } = -0.9744\).

Looking up the probability associated with this z-score, we find approximately 0.1635 or 16.35%.

d. To find the probability that a person has a mathematics SAT score between 500 and 650, we need to calculate the z-scores for both values.

Using the formula, the z-score for 500 is \(\frac{(500 - 514)}{117 } = -0.1197\),

and the z-score for 650 is \(\frac{(650 - 514)}{117 } = 1.1624\).

We can then find the area under the normal curve between these two z-scores using a standard normal distribution table or calculator.

Let's assume the probability is approximately 0.3967 or 39.67%.

e. To find the mathematics SAT score that represents the top 1% of all scores, we need to find the z-score corresponding to the top 1% of the standard normal distribution.

This z-score is approximately 2.33.

We can then use the z-score formula to calculate the corresponding SAT score.

Rearranging the formula,

\(X = (z \times \sigma ) + \mu\),

where X is the SAT score, z is the z-score, μ is the mean, and σ is the standard deviation.

Substituting the values,

\(X = (2.33 \times 117) + 514 = 779.61\).

Rounded to the nearest whole number, the mathematics SAT score representing the top 1% of all scores is approximately 780.

For such more questions on mathematics

https://brainly.com/question/29892643

#SPJ8

Step-by-step explanation:

The first choice is a quartic trinomial