Which graph shows a system of equations with no solutions? On a coordinate plane, the graphs of 2 circles are shown. Both circles have a center at (0, 0). The smaller circle is within the larger circle and the smaller circle has a radius that is 2 units smaller than the larger circle. On a coordinate plane, a graph of a line and a parabola are shown. The line is horizontal to the x-axis at y = negative 5. The parabola opens up and its vertex on the line. On a coordinate plane, the graphs of 2 circles are shown. Both circles are in quadrant 1, and they intersect each other. On a coordinate plane, the graphs of 2 parabolas are shown. Both parabolas open up and they intersect each other at (0, 0). The first parabola has a vertex in quadrant 3 and the second parabola has a vertex in quadrant 4.

The complement of set A, denoted by ​ A`, is the collection of all elements that belong to the universal set but are not part of set A. It's not necessary to mention the universe (also known as U) if it's understood which set of elements is being referred to.

The complement of a set A is the collection of all elements that belong to the universal set but not to set A. It is denoted as ​ A` and does not include any elements that are already in set A. The universal set, also known as U, contains all possible elements and is assumed to be known. Therefore, when referring to the complement of a set, it is not necessary to mention the universal set explicitly. The complement of a set is useful in determining the set of elements that are not part of a particular set, and it can be used in various mathematical operations.

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Answer:

Independent; the first roll of the number cube does not affect the probability of the second roll.

Step-by-step explanation:

   The angle of elevation is the angle of which something, in simple terms, is raised from a straight plane. If it is the angle downwards, we call this the angle of depression.

      An image giving an example, or a visual description, is attached.

It comes from Khan Academy.

The crucial value (z) relies on the desired level of confidence and is predicated on a normal distribution when creating a confidence interval for a proportion (p) with a confidence level of 93%.

A 93% confidence level in this instance translates to an alpha level of 0.07 (1 - 0.93 = 0.07) that is split evenly between the two tails. In the usual normal distribution table, we search for the value that falls within the range of 0.07 to find the proper z-value. A 93% confidence level corresponds to a z-value of roughly 1.81. The confidence interval for the proportion p may be calculated using this number and provides a range where the genuine proportion is like to fall.

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The slope-intercept form of a linear equation is \(y = mx + b\) where m is the slope and b are the y-intercept. If the line has zero slope, then its equation is y = b, where b is a constant.

If the line passes through the point (-7, -6), then the equation of the line is' = b So the equation of the line that passes through (-7, -6) and has zero slope is: y = -6.

Zero slope, then its equation is y = b, where b is a constant. If the line passes through the point (-7, -6), then the equation of the line is: y = b So the equation of the line that passes through (-7, -6) and has zero slope is: y = -6.

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Answer:

G. 3:5 is the answer.

Step-by-step explanation:

the rest of the choises are wrong.

\( \huge \boxed{\mathfrak{Question} \downarrow}\)

\( \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}\)

\( \sf63 ( 13 - 18 ) + 24 \div 6\)

Subtract 18 from 13 to get -5.

\( \sf \: 63\left(-5\right)+\frac{24}{6} \\ \)

Multiply 63 and -5 to get -315.

\( \sf-315+\frac{24}{6} \\ \)

Divide 24 by 6 to get 4.

\( \sf-315+4 \)

Add -315 and 4 to get -311.

\( \boxed {\boxed{ \boxed{ \mathfrak{-311 }}}}\)

Hey there!

63 (13 - 18) + 24 ÷ 6

= 63 × -5 + 4

= -315 + 4

= -311

Hope it helps ya!

Answer:

see explanation

Step-by-step explanation:

here,

step by step explanation

4x+5=3x+4

or 4x-3x=4-5

or x= -1

you said -1 in the value of this equation.

Answer:

45

Step-by-step explanation:

Use Pythagoras theorem to solve

Answer:

7. Multiply 2,5and 4 by 7 to get these answers. That's how 7 is a common factor of these numbers.

Answer:

is 7

Step-by-step explanation:

Answer:

$3.00

Step-by-step explanation:

$3.00 x .2 = 0.60. added to original

The original price of the yo-yo in a shop is $3.

The Percentage is defined as representing any number with respect to 100. It is denoted by the sign %. The percentage stands for "out of 100." Imagine any measurement or object being divided into 100 equal bits.

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

It is given that the price of a yo-yo in a shop increased by 20% and is now $3.60.

The original price will be calculated as let the original price is x dollars. Then from the question, the expression will be formed as below:-

1.20x = 3.60

x = 3.60 / 1.20

Divide 3.60 by 1.20 to get the value of x.

x = $3

It means that the 20 percent is equal to the amount of $0.6.

Therefore, the original price of the yo-yo in a shop is $3.

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The estimated value of Ay is 1.7.

Given equation:y = tan(4x + 6)At x = 3 and dx = 0.1

We have to find dy.Using the formula for differential:dy = y′dx

Here, y′ denotes the derivative of y with respect to x.To find y′, differentiate the given equation, we get:y′ = sec²(4x + 6)

On substituting the values of x and dx in the above expressions, we get:dy = y′dx= sec²(4x + 6)dxPutting x = 3 and dx = 0.1, we get:dy = sec²(4x + 6)dx= sec²(4 × 3 + 6) × 0.1= sec²(18) × 0.1= 0.08844 (approx)

Thus, the differential dy is 0.08844 when x = 3 and dx = 0.1.Given equation:y = 4x²At x = 1 and dx = 0.4

We have to find the change in y, Ay.Using the formula for differential:dy = y′dx

Here, y′ denotes the derivative of y with respect to x.To find y′, differentiate the given equation, we get:y′ = 8xOn substituting the values of x and dx in the above expressions, we get:dy = y′dx= 8x × dxPutting x = 1 and dx = 0.4, we get:dy = 8x × dx= 8 × 1 × 0.4= 3.2Thus, the change in y, Ay = dy = 3.2 when x = 1 and dx = 0.4.Given equation:y = 4√xAt x = 3 and dx = 0.4

We have to find the differential dy.Using the formula for differential:dy = y′dx

Here, y′ denotes the derivative of y with respect to x.To find y′, differentiate the given equation, we get:y′ = 2/√x

On substituting the values of x and dx in the above expressions, we get:dy = y′dx= 2/√x × dxPutting x = 3 and dx = 0.4, we get:dy = 2/√x × dx= 2/√3 × 0.4= 0.88445 (approx)Thus, the differential dy is 0.88445 when x = 3 and dx = 0.4.Given equation:y = 3x² + 5x + 4At x = 2 and dx = 0.1

We have to estimate Ay using linear approximation.To estimate Ay using linear approximation:

Step 1: Find the derivative of y, y′.y′ = 6x + 5

Step 2: Find the value of y′ at x = 2.y′(2) = 6(2) + 5= 12 + 5= 17

Step 3: Use the formula for linear approximation:Δy = y′(a)Δx

Here, a = 2 and Δx = dx = 0.1

Substituting the values of a, Δx, and y′(a) in the above expression, we get:Δy = y′(a)Δx= 17 × 0.1= 1.7

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Answer:

If a tangent segment and a secant segment intersect outside a circle, then the square of the measure of the tangent segment equals the product of the measures of the secant segment and its external portion.

42^2 = (18 + x)(18)

1,764 = 18(x + 18)

x + 18 = 98

x = 80

So the diameter of the reservoir is 80 meters.

The diameter of the reservoir shown above can be calculated based on the intersecting secant-tangent theorem as: 80 meters.

A diameter is a straight line segment that crosses the center of a circle thereby connecting two points on its circumference and it is twice the length of the radius of a circle.

To find the diameter (x), apply the intersecting secant-tangent theorem which states that:

AB² = AC(x + CA)

Substitute:

42² = 18(x + 18)

1,764 = 18x + 324

1,764 - 324 = 18x

1,440 = 18x

1,440/18 = x

x = 80 meters.

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If X has the hypergeometric distribution, the minimum value that X can take is option (e) 0

The hypergeometric distribution models the probability of getting a certain number of successes in a fixed-size sample drawn without replacement from a finite population containing a known number of successes and failures.

The minimum value that X can take depends on the specific parameters of the distribution.

If the population size is N, the number of successes in the population is K, and the sample size is n, then the minimum value that X can take is max(0, n - (N - K)).

This is because the sample can contain at most n items, and if all of them are failures (i.e., none of them are successes), then X would be 0. On the other hand, if there are fewer than n failures in the population, then the sample can contain at most n - (N - K) successes. If n - (N - K) is negative, then there are more successes than failures in the population, and X can take any value between 0 and n, inclusive.

Therefore, the correct option is (e) 0

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i) The number of 3-letter words can be made by using all of the letters in the word "car" is: 6 words

ii) The number of different 4-letter words that can be made by using all of the letters of the word "door" is: 12 words

ii) The number of 7-letter words that can be made by using all of the letters in the word "Mission" is:  1260 words

Permutations are used when order/order of placement is required. Combinations are used when you only need to search for the number of possible groups and not the order/order of locations. Permutations are used for things of different nature. Combinations are used for things of a similar nature.

i) The number of 3-letter words can be made by using all of the letters in the word "car" is: 3! = 3 * 2 * 1 = 6 words

ii) The number of different 4-letter words that can be made by using all of the letters of the word "door" is: 4!/2! = 12 words

ii) The number of 7-letter words that can be made by using all of the letters in the word "Mission" is: 7!/(2! * 2!) = 1260 words

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If MSwithin is smaller than MSbetween, then increasing MSwithin and/or decreasing MSbetween will lead to an increase in the F statistic.

The F statistic is calculated by dividing the variance between groups (MSbetween) by the variance within groups (MSwithin). Therefore, to increase the value of the F statistic, either the numerator (MSbetween) needs to increase, or the denominator (MSwithin) needs to decrease.

So, the answer is:

a. MSwithin > MSbetween

If the variance within groups (MSwithin) is reduced or the variance between groups (MSbetween) is increased, the F statistic will increase. Therefore, if MSwithin is smaller than MSbetween, then increasing MSwithin and/or decreasing MSbetween will lead to an increase in the F statistic.

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Answer:

25

Step-by-step explanation: i got it right on ed

Answer:

153.6

Step-by-step explanation:

Density is how much matter an object has to its volume. Formula:

Density=Mass x Volume.

12.8 x 12=153.6

Hope this helps :)

Answer:

\((x-4)^2+(y)^2=9\)

Step-by-step explanation:

The general format for the equation of a circle is the following:

\((x-n)^2+(y-m)^2=a\)

This circle will have a radius of (\(\sqrt{a}\)), moreover, this circle will have its center at point \((n,m)\). Please note that its center is shifted (n) units to the right of the origin, and (m) units up. Apply this knowledge to the given problem.

The circle in the given problem has its center at (4, 0). Therefore the following can be stated,

\(n=4\\\\m =0\)

Since one knows the center of the circle is at (4, 0), and (the circle has (4, 3) on its circumference, the distance between the coordinates will produce the radius of the circle. The following formula can be used to find the distance between two points on a number line,

\(D=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}\)

Where (\((x_1,y_1)\)) and (\((x_2,y_2)\)) are the points one is trying to find the distance between. Substitute the given points into the formula and solve for the distance between them.

\(D=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}\)

\(D=\sqrt{(4-4)^2+(3-0)^2}\)

Simplify,

\(D=\sqrt{(4-4)^2+(3-0)^2}\)

\(D=\sqrt{(0)^2+(3)^2}\)

\(D=\sqrt{0+9}\)

\(D=\sqrt{9}\)

\(D=3\)

The parameter (a) is equal to (\(D^2\)) are per the format of the equation, thus one must do the following to find the value of (a):

\(a = D^2\)

\(a=3^3\)

\(a = 9\)

Substitute all of the information into the general formula for the equation of a circle, then simplify,

\((x-n)^2+(y-m)^2=a\)

\((x-4)^2+(y-0)^2=9\)

\((x-4)^2+(y)^2=9\)

A square tuvw is dilated by a scale factor of 6. The measure of side uv is 3 units.

Dilation is a transformation that makes items smaller or larger by using a scale factor.

Scale factor is the ratio of the size of the resulted dilated shape to the size of original shape.

Scale factor = size of dilated figure / size of original figure.

In the problem, the scale factor = 6.

The dilated square has side length of 18.

Hence,

Scale factor =  side of  t'u'v'w' / side of  tuvw

6 = 18 / side of  tuvw

side of  tuvw  = 18/6 = 3

There were typos in your question, most likely it was:

square tuvw is dilated by a scale factor of 6 to form square t'u'v'w'. side u'v' measures 18. what is the measure of side uv?

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Answer:

7629.39453125

Step-by-step explanation:

The formula for the n-th term is:

\(k_n = \frac{5^{n-1}}{2^{n-2}}\)

So:

\(k_{10} = \frac{5^9}{2^8}\) = 1953125 / 256 = 7629.39453125

Answer:

7629.395 correct answer

Answer:

Micheal surveyed 60 students.

Answer: Look at the explanation please.

Step-by-step explanation:

Please note that I am using what is in the Mathematics textbook.

So we need to know for the students who play Exactly 1 sport.

So you have to make an equation. It will look like this...

15/60 = x/300

Note that we get the 15 from the table of the number of students. We get 60 from adding 13+15+32 which is all the students Michael has surveyed.   Lastly we get 300 from the question There are 300 students in his school.

x = 75 when you do the math. Cross multiply and divide.

Hope this helps :)

That m is odd, then the integers between 1 and m − 1 equals 2−1 mod m it must be k=1 and n = 1+m2.

Given an integer m, two integers a and b are congruent modulo m if

m| (a − b).

We write a ≡ b (mod m).

Zero, a positive natural number, or a negative integer denoted by a minus sign are all examples of integers. The inverse additives of the equivalent positive numbers are the negative numbers.

I will also sometimes say equivalent modulo m. Notation note: we are using that "mod" symbol in two different ways.

Let n be the inverse of 2( mod m)

Where 1<n<m−1

2n≡1 ( mod m)

⇒ 2n=1+mk

Since m is odd then m=2l+1

⇒ 2n=1+(2l+1)k

Then solve for n(mod m) as that would put it within 1<n<m−1.

As an aside, we only care for 1≤n≤m−1, we don't care about strict inequalities. Indeed, if m=3 then you'd have a problem as there aren't even any integers strictly between 1 and 3−1

Supposing that m = \(2l+1\) then \(2*(l+1)\) = \(2l + 2\) = m+1

We want integer n=1+mk2 between 1 and m−1.

Since m is odd, we need k to be odd, in order for 1+mk to be divisible by 2 so n is an integer.

If k≥3 then 1+mk2>m−1.

If k≤−1 then 1+mk2<1.

So it must be k=1 and n = 1+m2.

Therefore,

That m is odd, then the integers between 1 and m − 1 equals 2−1 mod m it must be k=1 and n = 1+m2.

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Answer:

13.86

Step-by-step explanation:

(-2.2)(1.5)(-4.2) =

Use a calculator. Start with -2.2 * 1.5.

= (-3.3)(-4.2)

= 13.86

Answer:13.86

Step-by-step explanation:

((−2.2)(1.5))(−4.2)

=(−3.3)(−4.2)

=13.86

The standard deviation of returns is 0.0665 when a person is holding stock and there are three possible outcomes.

To calculate the expected return, we multiply the probability of each state by its corresponding return and sum them up:

Expected return = (20% * 18%) + (55% * 9%) + (25% * -5%)

Expected return = 0.20 * 0.18 + 0.55 * 0.09 + 0.25 * (-0.05)

Expected return = 0.036 + 0.0495 - 0.0125

Expected return = 0.073

The expected return is 7.30%.

To calculate the standard deviation of returns, we need to find the variance first. The variance is calculated as the weighted sum of squared deviations from the expected return:

Variance = (20% * (18% - 7.30%)^2) + (55% * (9% - 7.30%)^2) + (25% * (-5% - 7.30%)^2)

Variance = 0.20 * (0.1077)^2 + 0.55 * (0.0177)^2 + 0.25 * (-0.123)^2

Variance = 0.00232 + 0.000173 + 0.001903

Variance = 0.004423

The standard deviation is the square root of the variance:

Standard deviation = √(0.004423)

Standard deviation = 0.0665

Therefore, the value obtained is 0.0665.

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Answer:

-10/3 is bigger

Step-by-step explanation:

-10/3 is gonna be bigger no matter what because -9 doesn't have a square root. because negatives don't have square roots. that's because there is no number in existence that can be squared that also equals a negative number

There are at least two integer points in the line that passes through (5, - 8.5) and (13.8, 6.9).

In this problem we have a line that passes through two points on a Cartesian plane and herein we must check if that line contains at least one point with integer coordinates. First, determine the equation of the line:

Slope

m = [6.9 - (- 8.5)] / (13.8 - 5)

m = 7 / 4

Intercept

b = - 8.5 - (7 / 4) · 5

b = - 69 / 4

The equation of the line is y = (7 / 4) · x - 69 / 4.

Second, evaluate the equation of the line at different integers:

x= 6

y = (7 / 4) · 6 - 69 / 4

y = - 27 / 4

x = 7

y = (7 / 4) · 7 - 69 / 4

y = - 5

x = 8

y = (7 / 4) · 8 - 69 / 4

y = - 13 / 4

x = 9

y = (7 / 4) · 9 - 69 / 4

y = - 3 / 2

x = 10

y = (7 / 4) · 10 - 69 / 4

y = 1 / 4

x = 11

y = (7 / 4) · 11 - 69 / 4

y = 2

x = 12

y = (7 / 4) · 12 - 69 / 4

y = 15 / 4

x = 13

y = (7 / 4) · 13 - 69 / 4

y = 11 / 2

There are at least two integer points in the line that passes through (5, - 8.5) and (13.8, 6.9).

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