pls help. WILL MARK BRAINLEST asap!!!!!!
picture dwn below

Answer:

B the number that is 6 to the right of 1 on the number line

Step-by-step explanation:

you only have a few months left, keep fighting~

Answer:

13 (Answer B)

Step-by-step explanation:

Answer:

a. v

Step-by-step explanation:

Given

\(3v - 8\)

Required

Identify the variable

Literary, variable means things that change in values;

Going by this definition, we have that:

3 -> This is not a variable because its value will always be 3

v -> This is a variable because its value can change once its value changes, the result of the expression will also change

- -> This is not a variable; it is an arithmetic operator to subtract

8 -> This is not a variable because its value will always be 8

Take for instance

\(v = 2\)

\(3v - 8 = 3 * 2 - 8 = 6 - 8 = -2\)

When \(v =5\)

\(3v - 8 = 3 * 5 - 8 = 15 - 8 = 7\)

Notice that there's a difference in both results;

This is as a result of v being a variable

The number of different spanning trees for each graph is: a) K3: 1, b) K4: 4, c) K2,2: 2 and d) C5: 5.

a) The complete graph K3 consists of 3 vertices, and in a spanning tree, we need to have exactly 3 vertices connected without forming any cycles. Therefore, K3 has only one possible spanning tree.

b) The complete graph K4 has 4 vertices. To form a spanning tree, we need to connect all 4 vertices without creating any cycles. K4 can be thought of as a tree with 4 branches extending from a central vertex. Each branch can be connected to any of the other vertices. Hence, there are 4 possible spanning trees for K4.

c) The complete bipartite graph K2,2 consists of 4 vertices divided into two sets, each containing 2 vertices. To form a spanning tree, we need to connect all 4 vertices without creating any cycles. Since there are only two possible edges between the two sets, there are only two possible spanning trees for K2,2.

d) The cycle graph C5 consists of 5 vertices arranged in a circular shape. To form a spanning tree, we need to connect all 5 vertices without creating any cycles. Removing any one of the edges from the cycle will result in a tree. Therefore, C5 has 5 different spanning trees.

Therefore, the number of different spanning trees for each graph is:

a) K3: 1

b) K4: 4

c) K2,2: 2

d) C5: 5  

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As long as the prevalence of diabetes is the same in both communities, the PPV of Test 1 would not change. The answer is B. Not change.

If Test 1 was administered to community Y, whose diabetes prevalence is equal to the diabetes prevalence in community X, then the PPV would not change. This is because the PPV is dependent on the prevalence of the disease in the population being tested, not on the population itself. Therefore, as long as the prevalence of diabetes is the same in both communities, the PPV of Test 1 would not change. The answer is B. Not change.

If Test 1 was administered to community Y, whose diabetes prevalence is equal to the diabetes prevalence in community X, then the Positive Predictive Value (PPV) would B. Not change. This is because the PPV is influenced by the prevalence of the condition in the population being tested, and since the prevalence is equal in both communities, the PPV would remain the same.

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Answer:

zero

Step-by-step explanation:

the additive inverse of 15 is -15 so the sum is zero

Answer: The sum Is zero, explanation below

Step-by-step explanation:

The Addictive inverse of a number is its opposite so for example the addictive inverse of   12 is -12   or   x is -x so the equation would be

15 + -15

making your answer zero :D

SHEEEESSSHHHH

The expected net payoff E(m) is equal to m + 10.5 and the optimal value of m is 20.

To calculate the expected net payoff, we need to determine the probabilities of stopping at each value from 1 to 20 and calculate the corresponding payoff for each case.

Let's denote the expected net payoff as E(m), where m is the threshold value at which the gambler decides to stop.

(a) To calculate the expected net payoff E(m), we sum the probabilities of stopping at each value multiplied by the payoff for that value.

E(m) = (1/20) * m + (1/20) * (m + 1) + (1/20) * (m + 2) + ... + (1/20) * 20

Simplifying the equation:

E(m) = (1/20) * (m + (m + 1) + (m + 2) + ... + 20)

E(m) = (1/20) * (20 * m + (1 + 2 + ... + 20))

E(m) = (1/20) * (20 * m + (20 * (20 + 1)) / 2)

E(m) = (1/20) * (20 * m + 210)

E(m) = m + 10.5

Therefore, the expected net payoff E(m) is equal to m + 10.5.

(b) To find the optimal value of m, we need to maximize the expected net payoff E(m).

Since E(m) = m + 10.5, we can see that the expected net payoff is linearly increasing with m.

Therefore, the optimal value of m would be the maximum possible value, which is 20.

Hence, the optimal value of m is 20.

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The volume value for the solid is obtained as 381.33 unit³.

What is volume?

Each thing in three dimensions takes up some space. The volume of this area is what is being measured. The space occupied within an object's borders in three dimensions is referred to as its volume. It is sometimes referred to as the object's capacity.

The equations of the lines in terms of y-axis are, y = x and y = 0.

The equations of the lines in terms of x-axis are, x = 5 and x = 7.

The solid is rotated about the line, x = 1.

Now, the solid is rotated about the line crossing the x-axis at the point x =1.

The height of the solid in the bounded will be, h = 1 - x.

The radius of the solid in the bounded will be r = 0 - x = -x.

The volume of the solid in a small region can be given as -

dV = 2πrh dx ....(1)

Here, dx is the width of the small element.

The above equation can be integrated by taking the limits according to the lines bounding the solid, which are given as -

5 ≤ x ≤ 7

The limits for the volume of the small element are from 0 to V.

Integrating the equation (1), we get -

\(\int\limits^V_0 {dV} =\int\limits^7_5 {2 \pi rh} \, dx\)

Substitute the values in the above equation, and we get -

\(\int\limits^V_0 {dV} =\int\limits^7_5 {2 \pi(-x)(1-x)} \, dx\)

\([V]_0^V=2\pi\int\limits^7_5 {(-x+x^2)} \, dx\)

\([V]-0=2\pi\int\limits^7_5 {-x\, dx}+2\pi\int\limits^7_5 {x^2} \, dx\)

\(V=2\pi\bigg[-\frac{x^2}{2}\bigg]_5^7+2\pi\bigg[\frac{x^3}{3}\bigg]_5^7\)

\(V=2\pi\bigg[-\bigg(\frac{7^2}{2}-\frac{5^2}{2}\bigg)\bigg+\bigg(\frac{7^3}{3}-\frac{5^3}{3}\bigg)\bigg]\)

Solving further, we get -

\(V=2\pi\bigg[-\frac{49}{2}+\frac{25}{2}+\frac{343}{3}-\frac{125}{3}\bigg]\)

\(V=2\pi\bigg[-\frac{24}{2}+\frac{218}{3}\bigg]\)

\(V=2\times\frac{22}{7}\times\frac{364}{6}\)

V = 381.33 unit³

Therefore, the volume of the solid is 381.33 unit³.

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Answer:x=35/2 or 17.5

Step-by-step explanation:

x + .2x = 21

1.2x = 21

1.2x/1.2 = 21/1.2

x = 17.5

answer a i just did it

Step-by-step explanation:

Answer:

f(- 2) = - 1

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x) , that is

f(- 2) = 3 - (- 2)² = 3 - 4 = - 1

Answer: No

Step-by-step explanation: Since y=2x+1 does not pass through the origin (i.e. there exists the constant term of 1 ), the variables y and x are not directly proportional - though, they do have a linear relationship.

The expression (1/2)^3 - 2 ÷ \(\sqrt{64}\) - 1564 - 18 is -1582.125

Given,

(1/2)^3 - 2 ÷ \(\sqrt{64}\) - 1564 - 18

The order of solving an equation

P - parenthesis

E - exponents

M - multiplication

D - division

A - addition

S - subtraction

Simplify (1/2)^3 - 2 ÷ \(\sqrt{64}\) - 1564 - 18.

(1/2)^3 - 2 ÷ (64)^1/2 - 1564 - 18.

Exponents first.

1/8 - 2 ÷ 8 - 1564 - 18        [2^3 = 8]

Division

1/8 - 2/8 - 1564 - 18

1/8 - 1/4 - 1564 - 18

Subtraction

0.125 - 0.25 - 1564 - 18

0.125 - 1582.25

-1582.125

The answer is -1582.125

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The car travels 45.84 meters in 3 seconds.

To solve this problem, we need to convert the speed of the car from kilometers per hour to meters per second since the time given is in seconds.
To do this, we can use the conversion factor that 1 kilometer is equal to 1000 meters and 1 hour is equal to 3600 seconds.
So, 55 kilometers per hour is equal to (55 x 1000) / 3600 = 15.28 meters per second.
Now, we can use the formula: distance = speed x time
Plugging in the values, we get distance = 15.28 meters per second x 3 seconds = 45.84 meters.
Therefore, the car travels 45.84 meters in 3 seconds.

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Answer:

\(x=12\)

Step-by-step explanation:

Since the polygons are similar, we can use the formula: \(\frac{x}{15}=\frac{32}{40}\). Using cross-multiplication , we obtain: \(40x=15*32\\x=\frac{15*32}{40}= 12\).

Answer:

hard

Step-by-step explanation:

I don't know because I have never learnt these things

Answer:

\(1.43\)

Step-by-step explanation:

9kg -------> 12.87

1kg ---------> x

let the unknown number be x

\(9 = 12.87 \\ 1 = x \\ use \: \: cross \: \: multipication \\ 9x = 12.87 \\ \frac{9x}{9} = \frac{12.87}{9} \\ x = 1.43\)

The value of y when x = 4 is 3.

In this given condition statement, if x is greater than 5, the value of y is 1. If x is less than 5, there is an additional condition.

If x is less than 3, the value of y is 2.

Otherwise, if x is not less than 3, the value of y is 3. Lastly, if x is equal to 5, the value of y is 4.

In the case of x = 4, x is less than 5 but not less than 3.

Therefore, the condition statement within the else condition is satisfied, resulting in the value of y being 3.

This means that when x is equal to 4, the value of y equals 3 as per the given conditions.

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Answer:

C) B>A

Step-by-step explanation:

if it doesn't make sense think of it like the number in between A and B is .5. You can visibly see that A is less than or below .5 and B is above or greater than .5, so B is greater than A.

Answer:

The answer would be 3 1/9

Step-by-step explanation:

5-2= 3 5/9-4/9 = 1/9

Answer:

3  1/9

Step-by-step explanation:

(5 x 9 + 5)/9 - 2 4/9

(45 + 5)/9 - 2 4/9

50/9 - 2 4/9

50/9 - (2 x 9 + 4)/9

50/9 - (18 + 4)/9

50/9 - 22/9

(50 - 22)/9

28/9

3 1/9

Answer: a) w = -26, -2

b) x = -4,  -1

c) k = 17, -1

d) z = 65, 935

Multiple choice: D)

Step-by-step explanation:

a) (w+26)(w+2) = 0

w = -26, w = -2

b) (x+4)(x+1) = 0

x = -4, x = -1

c) (k-17)(k+1) = 0

k = 17, k = -1

d) (z-65)(z-935) = 0

z = 65, x z 935

Multiple Choice

D)

Multiply all terms by 2.

Answer:

60+2x≥300

Step-by-step explanation:

So we know that she makes a base of $60 a week and gets $2 extra for every item she sells. First, we set up an equation for how many items she would have to sell to make exactly $300 in a week. 60+2x=300. Now, all we do is replace the equal sign with a ≥ sign because it says at least which means more than or equal to.

Answer:

120 items

Step-by-step explanation:

60+2x=300

-60. -60

2x=240

2. 2

x=120

There are two Right angled triangles in the given figure, with two missing sides, let's name the other missing side be " y "

According to Pythagoras theorem,

\( \boxed{ \large \boxed{h {}^{2} = {b}^{2} + p{}^{2} }}\)

note :

let's solve for " y² " first ( square of other missing side )

\(➢ \: \: {y}^{2} = {8}^{2} + 3 {}^{2} \)

\(➢ \: \: {y}^{2} = 64 + 9\)

\(➢ \: \: {y}^{2} = 73\)

now let's solve for " x " , by using pythagorous theorem

\(➢ \: \: {x}^{2} = {y}^{2} + {6}^{2} \)

\(➢ \: \: {x}^{2} = 73 + 36\)

\(➢ \: \:x {}^{2} = 109\)

\(➢ \: \: x = \sqrt{109} \)

Approximate :

\(➢ \: \: 10.44 \: \: units\)

\( \mathrm{✌TeeNForeveR✌}\)

Answer:

(x-4)^2-9 where a=4 and b=9

Step-by-step explanation:

x^2-8x+5

x^2-8x+16-16+5

(x-4)^2-9, a=4 and b=9

Answer:

3x2(4x – 3) + 1(4x – 3)

Step-by-step explanation:

Answer:

g inverse = (1,a),(2,b),(c,3),(4,d)

Step-by-step explanation:

I think the third part of the question should be (c,3) not (2,3)

if it's (2,3) then the inverse becomes (3,2)

Answer:

Inverse of function g = {(1,a),(2,b),(3,2),(4,d)}

Step-by-step explanation:

Hey there! :)

Please see an explanation below for better understanding to the answer - also let me know if you have any questions!

Inverse Function is a function that swaps domain and range.

Domain is the set of all x-values while Range is the set of all y-values, can be defined in coordinate point as (x,y).

If (x,y) is an original function then (y,x) will be an inverse function of original.

We are given the function g = {(a,1),(b,2),(2,3),(d,4)} - swap the domain and range.

Therefore, the inverse of function g is \(\displaystyle \large{g^{-1}}\) = {(1,a),(2,b),(3,2),(4,d)}

The solution to the system of equations is (x, y) = (6, -8).

What is algebra?

Algebra is a branch of mathematics that deals with mathematical operations and symbols used to represent numbers and quantities in equations and formulas.

To solve this system of equations using substitution, we need to solve one of the equations for one of the variables in terms of the other variable and then substitute that expression into the other equation.

Let's solve the first equation for x in terms of y:

x - 7y = 62

x = 7y + 62

Now we can substitute this expression for x into the second equation:

3x + 2y = 2

3(7y + 62) + 2y = 2

Simplifying:

21y + 186 + 2y = 2

23y = -184

y = -8

Now we can substitute this value for y into either equation to find x:

x - 7(-8) = 62

x + 56 = 62

x = 6

Therefore, the solution to the system of equations is (x, y) = (6, -8).

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Answer:

$39.528

Step-by-step explanation:

61*0.6 = 36.6

36.6*1.08 = $39.528

Answer:

39.53

Step-by-step explanation:

Multiply 61 by .4. The answer is 24.4. Subtract 24.4 from 61. This is the sale price after the discount but before the sales tax. The answer to that is 36.6. Multiply 36.6 by .08, the answer is 2.928. Round to the nearest hundreths. Add this to 36.6. You're final answer is 39.53.

Answer:

770

Step-by-step explanation:

So start by adding 140 + 70 and then you get 210 and then so you muliply 70*11 and you get 770.      :D

Using the z-distribution, as we have the standard deviation for the population, it is found that the 99% confidence interval for the population mean is given by:

\(\overline{x} \pm 2.58\frac{s}{\sqrt{n}}\)

The confidence interval is:

\(\overline{x} \pm z\frac{s}{\sqrt{n}}\)

In which:

99% confidence level, hence\(\alpha = 0.99\), z is the value of Z that has a p-value of \(\frac{1+0.99}{2} = 0.995\), so \(z = 2.58\).

The other parameters are symbolic, hence the interval is given by:

\(\overline{x} \pm 2.58\frac{s}{\sqrt{n}}\)

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Suppose after the shock, the economy temporarily stays at the short-run equilibrium, then the output gap Y2−Y1 is: B< (less than)As the output gap measures the difference between the actual output (Y2) and potential output (Y1), when the output gap is less than zero, that is, the actual output is below potential output.

The inflation gap π2−π1 is 0. C= (equal)When the inflation gap is zero, it means that the current inflation rate is equal to the expected inflation rate.12. Suppose there is no government intervention, the economy will adjust itself from short-run equilibrium to long-run equilibrium, at such long-run equilibrium, output gap Y3−Y1 is 0. C= (equal). As the long run equilibrium represents the potential output of the economy, when the actual output is equal to the potential output, the output gap is zero.13.

The inflation gap π3−π1 is 0. C= (equal) Again, when the inflation gap is zero, it means that the current inflation rate is equal to the expected inflation rate.14. (1 point) Suppose the Fed takes price stability as their primary mandates, then which of the following should be done to address the shock. B monetary tightening When the central bank takes price stability as its primary mandate, it aims to keep the inflation rate low and stable. In the case of a positive shock, which can lead to higher inflation rates, the central bank may implement a monetary tightening policy to control the inflation.

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