How you solved that

Answer:

1,000

Step-by-step explanation:

all you have to do is y/x

3,000/3=1,000

Answer:

We use students' t distribution therefore degrees of freedom is v= n-2

Step-by-step explanation:

Confidence Interval Estimate of Population Regression Co efficient β.

To construct the confidence interval for β, the population regression co efficient , we use b, the sample estimate of β. The sampling distribution of b is normally distributed with mean β and a standard deviation σ.y.x / √(x-x`)². That is the variable z = b - β/σ.y.x / √(x-x`)² is a standard normal variable. But σ.y.x  is not known so we use S.y.x and also student's t distribution rather than normal distribution.

t= b - β/S.y.x / √(x-x`)² = b - β/Sb    [Sb = S.y.x / √(x-x`)²]

with v= n-2 degrees of freedom.

Consequently

P [ - t α/2<  b - β/Sb  < t α/2] = 1- α

or

P [ b- t α/2 Sb<   β  < b+ t α/2 Sb] = 1- α

Hence a 100( 1-α) percent confidence for β the population regression coefficient for a particular sample size n <30  is given by

b± t α/2 Sb

Using the same statistic a confidence interval for α can be constructed in the same way for  β  replacing  a with b and Sa with Sb.

a± t α/2 Sa

Using the t statistic  we may construct the confidence interval for U.y.x for the given value X0 in the same manner

Y~0 ± t α/2(n-2) SY~

Y~0= a+b X0

Answer:

123

Step-by-step explanation:

Answer:

(35+25)2+3

=(60)2+3

=120+3

=123

Answer:4

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

say you have 2 cookies then get 2 more then you have 4

Answer:

Solving Absolute Value Inequalities. As we know, the absolute value of a quantity is a positive number or zero. From the origin, a point located at [latex]\left(-x,0\right)[/latex] has an absolute value of [latex]x[/latex] as it is x units away. Consider absolute value as the distance from one point to another point.

Step-by-step explanation:

Answer:

Well you see an absolute value means that it will be absolute value, and inequality means not equal. (I had to make the answer more advanced ;)

Step-by-step explanation:

But thanks for the points ;)))

Answer: yes anazing splenddi

Step-by-step explanation:

Answer:

50$b

Step-by-step explanation:

Answer:

Never learned it sorry but I have no idea bro good luck

Answer:

90 PLEASE MARK ME BRAINLLIEST

Step-by-step explanation:

289.76-54.88-54.88=180/2=90

Perimeter is the sum of the length of the sides used to make the given figure. The length of the field is 90 meters.

Perimeter is the sum of the length of the sides used to make the given figure.

Given that the width of the field is 54.88 meters and the perimeter of the field is 289.76 meters. Therefore, we can write the perimeter as,

Perimeter = 2(Length + Width)

289.76 meters = 2(Length + 54.88 meters)

289.76meters / 2 = Length + 54.88 meters

144.88metes = Length + 54.88 meters

Length = 144.88 meters - 54.88 meters

Length = 90 meters

Hence, the length of the field is 90 meters.

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Answer:

10

Step-by-step explanation:

simple math

Answer:

21

Step-by-step explanation:

lolllllllll

Answer:

[tex]\frac{dA}{dt} = 2\pi r(\frac{dr}{dt})[/tex]

Step-by-step explanation:

Your solution is correct (See explanation):

Area (A) of a circle is

[tex]A = \pi r^2[/tex]

Where

[tex]r = radius[/tex]

Differentiate both sides with respect to t

[tex]\frac{dA}{dt} = 2\pi r(\frac{dr}{dt})[/tex]

This is so because, we have to differentiate A on the left hand side and r on the right hand side because [tex]2\pi[/tex] is a constant

Hence, your solution is correct and and

[tex]\frac{dA}{dt} = 2\pi r(\frac{dr}{dt})[/tex]

Answer:

56+8x

Step-by-step explanation:

Answer:

7019

Step-by-step explanation:

Answer:

Nan-9

Step-by-step explanation:

Answer:

what?

Step-by-step explanation:

free points...thanks?

Answer:

5x^2y is the GCF for 15x2y3 and -20x3yz.

Step-by-step explanation:

Answer:

Only option D is one of the transformations needed.

Step-by-step explanation:

The graph of f(x)=x^2 is a positive parabola with x=0 as the zero in ordinates and also 0 as a zero x. This is, the graph passes in (0,0) and this is the only point it crosses both axis, then for every x value we will gave a positive f(x).

Here I attach a graph that shows both, f(x)=x^2 and g(x)=-x^2+16x-44.

As you can see, for transforming f(x) in g(x) we need to reflect it over the x axis, as g is open downwards. Then, as the quadratic term is still being x^2 we do not wide it (as you see in the graph both curves are equally widened).

Then, we can also see that the graph is shifted right, so we do not shift it left 8 units (notice that we shift it right 8 units).

So, after reflecting over the x axis and shifting right we need to shift it UP, as we can see the graph is over the x axis.

So, the three transformations needed are:

1. reflect over the x axis

2. shift right 8 units

3. shift up 20 units.

So, from the options you proposed we chose only d, to which we MUST add the transformations noted above.

Sorry for the mistake!

Answer:

d

Step-by-step explanation:

Answer:

C 105.66

Step-by-step explanation:

Answer:

105.66

Step-by-step explanation:

Answer:

11.56

Step-by-step explanation:

Answer:

x = 3

y = 1

Step-by-step explanation:

x= 5-2y

6x + 11y = 29

6( 5 - 2y ) + 11y = 29

30 - 12y + 11 y = 29

-y = -1

y = 1

x + 2y = 5

x = 5 - 2y

x = 5 - 2

x = 3

Answer:

It's not correct statement

Step-by-step explanation:

-5 + 6 = -1

The correct graphs which represents a function is shown in ''Option B.''

A relation between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

Given that;

There are four graphs are shown in image.

Now, We can check all the graph by vertical line test.

If the vertical line cut only at one point of the graph, then, it shows the function.

If the vertical line cut more than one point of the graph, then, it cannot shows the function.

Hence, By vertical line test,

The correct graphs which represents a function is shown in Option B.

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Answer:

1

Step-by-step explanation:

All you do is flip the numbers and you get 24/16 = x/56

Hope I helped :)

The actual Eiffel Tower is 125 meters wide .

What is Multiplication?

Along with addition, subtraction, and division, multiplication is one of the four basic arithmetic operations. In mathematics, multiplication is the repeated addition of groups of equal size.

Here given, Brianna makes a model of the Eiffel Tower for a school project.

It is also given that the model is 25 cm wide at the bottom and Brianna used a scale of 1 centimeter for every 5 meters.

By multiplication, we can find the actual length of Eiffel tower

Here 1 centimeter for every 5 meters.

So, 25 centimeter means (5×25) = 125 meters.

Therefore, the actual length of the Eiffel tower is 125 meters.

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"Correct question is "Brianna makes a model of the Eiffel Tower for a school project. Her model is 25 centimeters wide at the bottom

If Brianna used a scale of 1 centimeter for every 5 meters, how wide is the actual Eiffel Tower?"

Answer:

B

Step-by-step explanation:

Answer:

thx for da points :D

Step-by-step explanation:

Answer:

1. C 25 because it's the opposite

2. B. 2 because there is only two negative

3. B. The opposite of 2 1/2 that will be negative

4. I can't see

5. C because if it had [5 3/4] it will be -5 3/4

6. A, C, and F

7. I don't know

Answer:Coupon B gives the lower price. The price of coupon B is $4.4 less than the price of coupon A.

Step-by-step explanation:

The coupon B gives the lower price. That means by using coupon B, Ann will get a chair at $33.

The price with coupon B is $2.75 less than the price with coupon A.

A coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product.

A percentage is a proportion that shows a number as parts per hundred

To convert a percent into a number divide the given percentage by hundred and remove the percentage sign.

According to the given question.

Ann has two coupon for a Chair.

Coupon A is giving 35 percent off on a chair of $55.

And, coupon B is giving $22 0ff on chair 0f $55

If Ann uses coupon A then the amount she have to pay for chair is given by

Amount = [tex]55-\frac{35}{100} ($55)[/tex]

Amount = [tex]55-0.35(55)[/tex]

Amount = [tex]55-19.25[/tex]

Amount = $35.75

If Ann uses coupon B then the amount she have to pay for chair is given by

Amount = $55 - $22

Amount = $33

Hence, the coupon B gives the lower price. That means by using coupon B, she will get a chair at $33.

Since, through coupon A the amount she have to pay is $35.75 and through B she have to pay the amount of $33.

Now, $35.75 - $33 = $2.75

Thus, the price with coupon B is $2.75 less than the price with coupon A.

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Answer:

20+2x

Step-by-step explanation:

If you're just looking for an expression, then it would be 20+2x considering there's no way to solve for x, and there's 2 widths and 2 lengths of a rectangle

Answer:

20+2x

Step-by-step explanation:

Answer:

Step-by-step explanation:

150/6 = 25. that is your unit rate

400/25= 16 minutes