Will give brainliest answer

Answer:

NO

Step-by-step explanation: No because 3 times 5 is 15 plus 9 will be 24 not 18.

the length of each longer side of the kite is 36 inches.

How can we get the peremiter?

Let's call the length of each longer side of the kite "x". The shorter side measures 24 inches. The perimeter of the kite is the sum of the lengths of all four sides, so we have:

Perimeter = 2(longer side) + 2(shorter side)

Substituting the values we have:

120 = 2x + 2(24)

Simplifying and solving for x, we get:

120 = 2x + 48

2x = 120 - 48

2x = 72

x = 36

Therefore, the length of each longer side of the kite is 36 inches.

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The solution is:

The inverse of the given equation is ±sqrt(x+1).

Here, we have,

given equation is :

y = x^2 -1

now, we have to find the inverse of the given equation

so, we have,

Exchange x and y, we get,

x = y^2 -1

Solve for y, we get,

Add 1 for each side

we get,

x+1 = y^2-1+1

x+1 = y^2

Take the square root of each side

we get,

±sqrt(x+1) = sqrt(y^2)

±sqrt(x+1) = y

The inverse is ±sqrt(x+1)

Hence, The solution is:

The inverse of the given equation is ±sqrt(x+1).

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complete question:

If f(x) = x^2 -1, what is the equation for f–1(x)?

Function B has greater rate of change.

Average rate of change of a function is defined as the rate at which the value of the function is changing with respect to the change in the input values.

Rate of change of a linear function is it's slope and is constant.

Slope of a linear function through two points (x, y) and (x', y') is,

slope = (y' - y) / (x' - x)

Let m₁ be the slope of function A and m₂ be the slope of function B.

Function A :

Consider two points from the table, (1, 5) and (2, 7) of function A.

Slope, m₁ = (7 - 5) / (2 - 1) = 2 / 1 = 2

Function B :

Consider two points from the graph, (1, 1) and (2, 4).

Slope, m₂ = (4 - 1) / (2 - 1) = 3 / 1 = 3

m₂ = 3 > m₁ = 2

Hence rate of change for function B is greater than that of function A.

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Answer:

175 guests

Step-by-step explanation:

19 + 121 = 4/5x

140= 4/5x (multiply by the reciprocal of 4/5 to get x by itself: 5/4)

140 x 5/4 = x

x= 175

Answer:

The ratios are not equal, so this is not a dilation.

Step-by-step explanation:

4/3 is the first ratio

3/4 is the second ratio

Since these ratios are not equal there is not a dilation.

Refer to the images attached. Now I am guessing when it says "use geometry" was to graph it? I wasn't completely sure. I attached how I would normally evaluate that problem and a graph of the piecewise function. It has been a while since I have dealt with integrating piecewise function, please let me know what process you were supposed to use if you figure it out. Hope this helps you a bit, have a good one!

Answer:

I don't get it everyone is telling the wrong answers am here to tell you guys and girls the right answer. The answer is :   D     A    B    B   C   your welcome                                                                  

Answer:

V = -0.5

Step-by-step explanation:

Step 1: Define

V = u + at

u = 2

a = -5

t = 0.5

Step 2: Substitute and Evaluate

V = 2 + (-5)(0.5)

V = 2 - 2.5

V = -0.5

Answer:

until you only look at the thousands and hundreds place and if the hundred is 5 or more you round the thousands up one

so  3,842,532 rounded the the nearest 1000 is 3,843,000

Answer:

Step-by-step explanation:

The general form of a quadratic function is given by:f(x) = ax^2 + bx + cwhere a, b, and c are constants.To find the specific equation of a quadratic function with a given vertex and a point on the graph, we can use the vertex form of the quadratic function:f(x) = a(x - h)^2 + kwhere (h, k) is the vertex.Using the given vertex (0, 3), we have:f(x) = a(x - 0)^2 + 3Simplifying, we get:f(x) = ax^2 + 3Now we can use the given point (2, 7) to find the value of a.Substituting x = 2 and y = 7 into the equation above, we get:7 = a(2)^2 + 3Simplifying, we get:7 = 4a + 34a = 4a = 1Therefore, the general form of the quadratic function is:f(x) = x^2 + 3

Answer:

2.5 hours

Step-by-step explanation:

The cost of the rental - the scooter rental = 30.50 - 16.75, which equals 13.75.

Divide the additional per hour by that number.

13.75 / 5.5 = 2.5

Therefore, the scooter was rented for 2.5 hours.

Answer:

2.5

Step-by-step explanation:

13.75 / 5.5 = 2.5

Answer:

the answer is d because it is

Answer:

D is the slope

Step-by-step explanation:

Answer:

linear

Step-by-step explanation:

m = \(\frac{difference-- between-- y-coordinats}{difference-- between-- x-coordinats}\) = \(\frac{-4}{1}\) = - 4 ⇒ [1 - 1, 10 - ( - 4)] = (0, 14) is y-coordinate.

equation of the function is y = - 4x + 14 ⇒ function is linear

Answer:

2.5

Step-by-step explanation:

We have that the standardized mortality ratio (SMR) is the relationship between the number of deaths observed in a year, that is, those that occurred and the number of expected deaths, that is, those that were predicted.

SMR = observed / expected

therefore if we replace we have:

SMR = 4500/1800

SMR = 2.5

Which means that the standardized mortality ratio (SMR) is 2.5

The entropy of the outcome of this experiment = 9

A probability is a number that reflects the chance or likelihood that a particular event will occur. Probabilities can be expressed as proportions that range from 0 to 1, and they can also be expressed as percentages ranging from 0% to 100%.

Given that,

A coin having probability p=2/3

Heads is flipped 6 times

If the coin is flipped 6 times

The Total Number of Trial in the Experiment =2/3

It comes up heads 6 times

This Means: Number of Successful Outcome of HEADS =6

In an experimental probability,

Experimental probability of the coin’s coming up heads

=Number of Successful Outcome of HEADS/Total Number of Trials in the Experiment

= 6/(2/3)

= 6*3/2

= 18/2

= 9

Therefore,

The entropy of the outcome of this experiment = 9

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The best regression to fit the data set is C. a linear regression.

The linear regression equation is: y = -0.0058x + 11746

where:

y is the orbital speed in kilometers per second

x is the distance from the sun in millions of kilometers.

The R-squared value for this model is 0.999, which indicates that the model fits the data very well. The residual standard error is 10.2 kilometers per second, which is a small value.

This indicates that the model is accurate and that the predicted values are close to the actual values.

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Answer: Area = l × w

= 3.5 × 2.8

= 9.8 meters2

Step-by-step explanation:

Answer:

A number, such as 10 is a composite number because it is even.

Answer:

y = x - 1

Step-by-step explanation:

If it's parallel to x - y = 7, that means the slope of that equation is the slope for the equation you're looking for.  

To get the slope, you need to put the given equation into slope intercept form, so move x to the other side. You should get: -y = 7 - x

Then, to get the y positive, divide by -1:     y = -7 + x

Slope intercept form is as follows: y = mx + b, so whatever the number is in front of x is your slope. In this instance, your slope is 1.

You now have your slope, and a point in which your new line passed through. Using slope intercept form, y = mx + b, if you substitute in what you know, you can find your answer. Right now you know y, m, and x, and you're looking for b.  

x=1; y=0; m=1.  

So, substituting, you'd get 0 = (1)(1) + b

0=1+b     Solve

You should get b= -1, leaving your final answer as y = x - 1

y=x+1 is the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7.

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

We need to find slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7.

The slope will be same as it is parallel.

x - y = 7.

-y=7-x

y=x-7

Slope is 1.

Now equation of line passing through (1,0)

0=1(1)+c

c=-1

y=x-(-1)

y=x+1

Hence y=x+1 is the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7.

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Answer:

0.5 pounds is one game

2 pounds is one textbook

Step-by-step explanation:

g = games

t = textbooks

Let's start with how much a game weighs. We know that when Chad added two more games the weight of the box increased by one pound (it was previously 21 pounds and then went to 22 when the two games were added). This means one game equals half of a pound (or 0.5 lbs.)...

\(2g = 1\)

\(\frac{2g}{2} = \frac{1}{2}\)  -> if you divide one side by two, you must do the same to the other.

\(g = \frac{1}{2} = 0.5\)

Now that we know the weight of the games, we can figure out the weight of the textbooks.

\(6g + 9t = 21\) -> 6 games and 9 textbooks weigh 21 pounds.

Plugging in that each game is 0.5 pounds...

\(6(0.5) + 9t = 21\)

\(3 + 9t = 21\)

\(3 - 3 + 9t = 21 - 3\)

\(9t = 18\)

\(\frac{9t}{9} = \frac{18}{9}\)

\(t = 2\)

That means that each textbook equals 2 pounds.

I hope this helps!

Answer:

The first step would be to distribute the 2 outside of the parenthesis

Then the left side of the equation would look like: 2x-4

Step-by-step explanation:

9514 1404 393

Answer:

  add 1+2

Step-by-step explanation:

According to the Order of Operations, the first step is to evaluate expressions in parentheses. Here, there are two expressions in parentheses: (x -2) and (1 +2). The first one cannot be evaluated. So, the first step is to evaluate ...

  (1 +2) = 3

Then the inequality becomes ...

  2(x -2) < 3 +5

Answer:

I think this question is incomplete or maybe incorrect but if it's OK then the answer would be 7x + 5y.

Step-by-step explanation:

the answer remains the same because the question has no like terms so no further calculations can be made.

The annual equivalent cost (AEC) for the pickup truck is $4,308. We found the equivalent uniform annual cost (EUAC) first.

To calculate the AEC, we need to first find the equivalent uniform annual cost (EUAC) which includes both the initial cost and the present value of the maintenance and operation costs.

Find the present value of maintenance costs over five years using the gradient formula:

where A = $135, i = 12%, g = 0, n = 5

PV maintenance = $501.21

Find the present value of operating costs over five years using the present value formula:

where C = $0.2/mile * 344 miles/month * 12 months/year = $827.52/year, i = 12%, n = 5

PV operation = $3,322.08

Find the EUAC using the formula:

where A/P = [(1+i)^n * i] / [(1+i)^n - 1]

Finally, convert the EUAC to AEC by adding the present value of the salvage value and multiplying by the interest rate:

where PV salvage = $3,580 / \((1+i)^5\)

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The amount cheaper is the car washes Malcolm orders than the car washes Martha's order is $13.

The correct answer choice is option B.

Malcolm's gift card = $50.

Cost Malcolm's car wash per visit = $7

Martha's gift card = $180

Cost Martha's car wash per visit = Difference between gift card balance of first and second visit

= $180 - $160

= $20

How cheap is the car washes Malcolm orders than the car washes Martha's order = $20 - $7

= $13

Therefore, Malcolm's car wash is cheaper than Martha's car wash by $13

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Answer:

Step-by-step explanation:

X: -2, -1, 0, 1, 2,...

Y: -2, -1, 0, 1, 2,...

(y=x)

Answer:

Step-by-step explanation:

Number of electronic systems = 6

(a) Number of defected systems = 2

Probability of getting at least one system is defective

1 defective and 1 non defective + 2 defective

= (2 C 1 ) x (4 C 1) + (2 C 2) / (6 C 2)

= 3 / 5

(b) four defective

Probability of getting at least one system is defective

2 defective and 2 non defective + 3 defective and 1 non defective + 4 defective  

= (4 C 2 ) x (2 C 2) + (4 C 3 )(2 C 1) + (4 C 4) / (6 C 4)

= 1

Answer:

(a)P(At least one defective)\(=0.6\)

P(Both are defective)\(=0.067\)

(b)P(At least one defective)\(=14/15\)

P(Both are defective)\(=0.4\)

Step-by-step explanation:

We are given that

Total number of complex electronic system, n=6

(a)Defective items=2

Non-defective items=6-2=4

We have to find the  probability that at least one of the two systems tested will be defective.

P(At least one defective)=\(\frac{2C_1\times 4C_1}{6C_2}+\frac{2C_2\times 4C_0}{6C_2}\)

Using the formula

\(P(E)=\frac{favorable\;cases}{total\;number\;of\;cases}\)

P(At least one defective)\(=\frac{\frac{2!}{1!1!}\times \frac{4!}{1!3!} }{\frac{6!}{2!4!}}+\frac{\frac{2!}{0!2!}\times \frac{4!}{4!}}{\frac{6!}{2!4!}}\)

Using the formula

\(nC_r=\frac{n!}{r!(n-r)!}\)

P(At least one defective)\(=\frac{2\times \frac{4\times 3!}{3!}}{\frac{6\times 5\times 4!}{2\times 1\times 4!}}+\frac{1}{\frac{6\times 5\times 4!}{2\times 1\times 4!}}\)

P(At least one defective)\(=\frac{2\times 4}{3\times 5}+\frac{1}{3\times 5}\)

P(At least one defective)\(=\frac{8}{15}+\frac{1}{15}=\frac{9}{15}\)

P(At least one defective)\(=\frac{3}{5}=0.6\)

Now, the probability that both are defective

P(Both are defective)=\(\frac{2C_2\times 4C_0}{6C_2}\)

P(Both are defective)=\(\frac{\frac{2!}{0!2!}\times \frac{4!}{4!}}{\frac{6!}{2!4!}}\)

P(Both are defective)\(=\frac{1}{\frac{6\times 5\times 4!}{2\times 1\times 4!}}\)

P(Both are defective)\(=\frac{1}{3\times 5}\)

P(Both are defective)\(=0.067\)

(b)

Defective items=4

Non- defective item=6-4=2

P(At least one defective)=\(\frac{4C_1\times 2C_1}{6C_2}+\frac{4C_2\times 2C_0}{6C_2}\)

P(At least one defective)\(=\frac{\frac{4!}{1!3!}\times \frac{2!}{1!1!} }{\frac{6!}{2!4!}}+\frac{\frac{4!}{2!2!}\times \frac{2!}{2!}}{\frac{6!}{2!4!}}\)

P(At least one defective)\(=\frac{2\times \frac{4\times 3!}{3!}}{\frac{6\times 5\times 4!}{2\times 1\times 4!}}+\frac{\frac{4\times 3\times 2!}{2!\times 2\times 1}}{\frac{6\times 5\times 4!}{2\times 1\times 4!}}\)

P(At least one defective)\(=\frac{2\times 4}{3\times 5}+\frac{2\times 3}{3\times 5}\)

P(At least one defective)\(=\frac{8}{15}+\frac{6}{15}=\frac{8+6}{15}\)

P(At least one defective)\(=\frac{14}{15}\)

P(Both are defective)\(=\frac{4C_2\times 2C_0}{6C_2}\)

P(Both are defective)\(=\frac{\frac{4\times 3\times 2!}{2\times 1\times 2!}\times \frac{2!}{2!}}{\frac{6\times 5\times 4!}{2\times 1\times 4!}}\)

P(Both are defective)\(=\frac{\frac{4\times 3\times 2\times 1}{2\times 1\times 2\times 1}}{3\times 5}\)

P(Both are defective)\(=\frac{6}{15}=0.4\)

P(Both are defective)\(=0.4\)

Answer:

Step-by-step explanation:

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