Solve for x.
7)
B) 7
Di 12
C) -2

Answer:

200 miles

Step-by-step explanation:

1 3/4 can be turned into a decimal as 1.75

Now let’s create fractions to prepare for cross multiplication

1.75/50=7/x

1.75x=7(50)

1.75x=350

/1.75.  /1.75

x=200

200 miles

hopes this helps please mark brainliest

Answer:

It's dividing by 3 everytime, so 1/3

Step-by-step explanation:

Answer:

3.33

hope I helped

Answer:

18 seconds per mile  

Step-by-step explanation:

Answer:

C = p(3.50)

Hope this helps! :)

Answer:

Triangle P' Q' R' is half the size of the original triangle.

-The scale factor is probably 1/3.

Part B: P'(1, −2), Q'(0, 3), and R'(−1, 0).

Part C: No, the triangles are not congruent. If the second triangle didn't have a dilation, and instead have a reflection of the first triangle, then it would be congruent.

Step-by-step explanation:

:)

y=-1/3x+3 is equation of the line that passes through the given points (9,0) and (0,3)

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+c, 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

x₁=9, y₁=0,x₂=0,y₂=3

Apply in slope formula

m=3-0/0-9

m=-1/3

So slope of line passing through (9,0) and (0,3) is -1/3.

y=-1/3x+c

Put (9,0) in x and y place

0=-1/3(9)+c

0=-3+c

c=3

y=-1/3x+3

Hence y=-1/3x+3 is equation of the line that passes through the given points (9,0) and (0,3)

To learn more on slope of line click:

https://brainly.com/question/14511992

#SPJ1

Answer:

Step-by-step explanation:

breanna's oranges were $1.25

jonathon's oranges were $1.33

The probability of the region not flooding the next year is 19/20.

Given that a region is prone to flooding once every 20 years, we can calculate the probability of flooding in any one year as:

Probability of flooding in any one year = 1/20 = 0.05

Since the probability of flooding in any one year is greater than 0, the probability of not flooding in any one year would be:

Probability of not flooding in any one year = 1 - 0.05 = 0.95

Therefore, the probability of not flooding the next year in this region would be 0.95 or 95%.
Hi, I'd be happy to help you with your probability question.

The probability of flooding in the region any one year is 1/20 (once every 20 years). To find the probability of not flooding the next year, we need to find the complement of the probability of flooding.

Step 1: Determine the probability of flooding.
P(Flooding) = 1/20

Step 2: Find the complement probability.
P(Not Flooding) = 1 - P(Flooding)

Step 3: Calculate the probability of not flooding.
P(Not Flooding) = 1 - (1/20) = 19/20

The probability of the region not flooding the next year is 19/20.

To know more about probability visit:

https://brainly.com/question/13604758

#SPJ11

We can approach this problem using the concept of probability and complement rule.

Given that a region is prone to flooding once every 20 years, we can assume that the probability of flooding in any given year is 1/20 or 0.05 (since once in 20 years means once in 20 trials, and the probability of success in any one trial is 1/20).

Now, the probability of not flooding in the next year can be calculated using the complement rule, which states that the probability of an event happening is equal to 1 minus the probability of the event not happening.

Therefore, the probability of not flooding in the next year can be calculated as follows:

P(not flooding) = 1 - P(flooding)

P(not flooding) = 1 - 0.05

P(not flooding) = 0.95

So, the probability of not flooding in the next year is 0.95 or 95%. This means that there is a high likelihood that the region will not experience flooding in the next year.

However, it's important to note that the probability of flooding in any given year is still greater than 0, which means that there is always a possibility of flooding occurring, regardless of whether it occurred in the previous year or not.

To know more about probability visit -

brainly.com/question/31469353

#SPJ11

what is the question bro !!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Por lo tanto, los trenes A, B y C coinciden en la estación de tren cada 30 horas, que es el m.c.m. de los tiempos de los trenes. La respuesta es 30 horas.

Para ello, primero hay que encontrar los múltiplos de cada tiempo de tren: 1

5: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450, 465, 48030: 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, 360, 390, 420, 450, 480, 510, 540, 570, 600, 630, 660, 690, 720, 750, 780, 810, 840, 870, 900, 930, 960

Como podemos ver, los múltiplos comunes son 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, 360, 390, 420, 450, 480.

Por lo tanto, los trenes A, B y C coinciden en la estación de tren cada 30 horas, que es el m.c.m. de los tiempos de los trenes. La respuesta es 30 horas.

To know more about respectivamente visit:

https://brainly.com/question/16653425

#SPJ11

Answer:

-7i - 9

-11i + 12

Step-by-step explanation:

i stands for imaginary number, in which i² = -1

6i² = 6 * -1 = -6

-6 - 7i - 3

Combine like terms:

-6 - 3 = -9

-7i - 9

2i^2 = 2 * -1 = -2

Combine like terms:

-11i + 14 - 2

-11i + 12

~

The hypothesis test to be conducted is a test of proportions, where we will test the claim that most medical malpractice lawsuits are dropped or dismissed.

Let p be the proportion of all medical malpractice lawsuits that are dropped or dismissed. We can state the null and alternative hypotheses as follows:

Null hypothesis: p ≤ 0.5 (i.e., no evidence that most medical malpractice lawsuits are dropped or dismissed)

Alternative hypothesis: p > 0.5 (i.e., evidence that most medical malpractice lawsuits are dropped or dismissed)

We choose a significance level of 0.01, which means that we are willing to reject the null hypothesis if the probability of observing the sample results under the null hypothesis is less than 0.01.

To test this hypothesis, we will use a one-sample z-test for proportions, where we will calculate the test statistic z and compare it to the critical value from the standard normal distribution.

If the test statistic z is greater than the critical value, we will reject the null hypothesis and conclude that there is evidence to support the claim that most medical malpractice lawsuits are dropped or dismissed.

Learn more about hypothesis here : brainly.com/question/31319397

#SPJ11

Answer:

Step-by-step explanation:

Your answer

5.55 per square foot

Mark it as Brainlist. Follow me for more answer.

Answer: Answer is f(x) = 25x4 - 7x2 + x + 4

Step-by-step explanation:

Answer:

d on edg

Step-by-step explanation:

Using the chain rule to find dw/dt where w = cos 12x sin 4y, x=t/4, and y=t^4, we get; dw/dt = ∂w/∂x * dx/dt + ∂w/∂y * dy/dt where x = t/4, then dx/dt = 1/4 and y = t^4, then dy/dt = 4t^3

Substituting the above values into the equation, we have; dw/dt = (-12sin12xsin4y)(1/4) + (4cos12xcos4y)(4t^3)where x = t/4 and y = t^4.∂w/∂x = -12sin12xsin4y∂w/∂x = -3sin3tsin4t^4

A formula for calculating the derivative of the combination of two or more functions is known as the Chain Rule formula. Chain rule in separation is characterized for composite capabilities. The chain rule, for instance, expresses the derivative of their composition if f and g are functions.

According to the chain rule, the derivative of f(g(x)) is f'(g(x))g'(x). d/dx [f(g(x))] = f'(g(x)) g'(x). To put it another way, it enables us to distinguish "composite functions." Sin(x2), for instance, can be constructed as f(g(x)) when f(x)=sin(x) and g(x)=x2. This makes it a composite function.

Know more about chain rule:

https://brainly.com/question/31585086

#SPJ11

The slope of a plot of ln k versus 1/t equal to: −E_a/R

The Arrhenius equation is one that describes the relation between the rate of reaction and temperature for many physical and chemical reactions.

Arrhenius equation is expressed as:

k = \(Ae^{-E_{a}/RT }\)

Taking natural log on both sides,

ln k = ln \(Ae^{-E_{a}/RT }\)

In k = In A - E_a/RT

In k = In A - (E_a/R * (1/T))

This equation is in the form of y = mx + c

The plot of ln k vs 1/T gives a straight line with negative slope.

Slope = −E_a/R

Read more about  arrhenius equation at; https://brainly.com/question/13467424

#SPJ1

Answer:

19 + 21 = 40.

Step-by-step explanation:

The inequality which represents the given situation will be 2.25x + 2y ≤ 25.

A mathematical phrase in which the sides are not equal is referred to as being unequal. In essence, a comparison of any two values reveals whether one is less than, larger than, or equal to the value on the opposite side of the equation.

Suppose the cost of an apple is x and the cost of one mango is y.

2.25x + 2y = total cost

2.25x + 2y ≤ 25

Hence "The inequality which represents the given situation will be 2.25x + 2y ≤ 25".

For more about inequality,

brainly.com/question/20383699

#SPJ1

Explanation:

Complementary angles always add to 90.

One angle is 52 degrees, so the other must be 90-52 = 38 degrees

52+38 = 90

The Hessian of the function f(x, y) = x³ - 2xy - y" at the point (1, 2) is a 2x2 matrix with entries [6, -2; -2, 0].

The Hessian matrix is a square matrix of second-order partial derivatives. To compute the Hessian of f(x, y), we need to compute the second-order partial derivatives of f(x, y) with respect to x and y.

First, we compute the partial derivatives of f(x, y):

∂f/∂x = 3x² - 2y

∂f/∂y = -2x - 1

Next, we compute the second-order partial derivatives:

∂²f/∂x² = 6x

∂²f/∂x∂y = -2

∂²f/∂y² = 0

Evaluating these second-order partial derivatives at the point (1, 2), we have:

∂²f/∂x² = 6(1) = 6

∂²f/∂x∂y = -2

∂²f/∂y² = 0

The Hessian matrix is then given by:

H = [∂²f/∂x² ∂²f/∂x∂y]

[∂²f/∂x∂y ∂²f/∂y²]

Substituting the computed values, we have:

H = [6 -2]

[-2 0]

Therefore, the Hessian of f(x, y) at the point (1, 2) is the 2x2 matrix [6, -2; -2, 0].

To know more about Hessian here brainly.com/question/32547012

#SPJ11

The information doesn't need to be that the tax was 5% of the total cost to obtain these equations, and the total bill was $10.35.

The percentage is defined as a ratio expressed as a fraction of 100.

The tip was $1.35, or 10% of the after-tax price.

The tax was set at 5% of the whole price.

Let's do some math and change some variables

The total bill (after tax and tip) will be a.

The total bill will be 'b.'

We know that the tip ($1.35 ) was 15% of the after-tax cost (b):

$1.35 = 15% × b

We know that the total after-tax and tip (a) equals the after-tax cost (b) plus the tip:

a = b + $1.35

As you can see, we don't need to know that the tax was 5% of the total cost to obtain these equations. That is our response to the first question.

Now we can evaluate our second equation to figure out what the total bill (a) is.

a = b + $1.35...(i)

Let's get eliminate that b so we just have the variable whose value we want.

To accomplish so, we may utilize the first equation to determine the value of b:

1.35 = 0.15×b

Divide both sides by 0.15:

1.35 / 0.15= b

9 = b

Now we can substitute 9 in for b in equation (i):

a = b + 1.35

a = 9 + 1.35

a = 10.35

Therefore, the total bill was $10.35.

Learn more about percentages here:

brainly.com/question/24159063

#SPJ1

To express vector b→ using unit vectors, we can break down vector b→ into its components along the x-axis and y-axis.

Let's assume that vector b→ has a magnitude of b and an angle θ with respect to the positive x-axis.

The x-component of vector b→ can be found using the formula:

bₓ = b * cos(θ)

The y-component of vector b→ can be found using the formula:

by = b * sin(θ)

Now, we can express vector b→ using unit vectors:

b→ = bₓ * x^ + by * y^

where x^ and y^ are the unit vectors along the x-axis and y-axis, respectively.

For example, if the x-component of vector b→ is 3 units and the y-component is 4 units, the vector b→ can be expressed as:

b→ = 3 * x^ + 4 * y^

Remember that the unit vectors x^ and y^ have magnitudes of 1 and point in the positive x and y directions, respectively.

To know more about vectors visit:

https://brainly.com/question/24256726

#SPJ11

The vector b can be expressed using unit vectors \(\widehat x\) and \(\widehat y\) by decomposing it into its x-axis and y-axis components, denoted as \(b_x\) and \(b_y\) respectively. This representation allows us to express b as the linear combination \(b_x \widehat x + b_y \widehat y\), providing a concise and clear representation of the vector.

To express the vector b using unit vectors, we can decompose b into its components along the x-axis and y-axis. Let's call the component along the x-axis as \(b_x\) and the component along the y-axis as \(b_y\).

The unit vector along the x-axis is denoted as \(\widehat x\), and the unit vector along the y-axis is denoted as \(\widehat y\).

Expressing b in terms of unit vectors, we have:

    \(b = b_x \widehat x + b_y \widehat y\)

This equation represents the vector b as a linear combination of the unit vectors \(\widehat x\) and \(\widehat y\), with the coefficients \(b_x\) and \(b_y\) representing the magnitudes of b along the x-axis and y-axis, respectively.

Therefore, the vector b can be expressed using unit vectors \(\widehat x\) and \(\widehat y\) by decomposing it into its x-axis and y-axis components, denoted as \(b_x\) and \(b_y\) respectively. This representation allows us to express b as the linear combination \(b_x \widehat x + b_y \widehat y\), providing a concise and clear representation of the vector.

Learn more about unit vectors from the given link:

https://brainly.com/question/28028700

#SPJ11

The graph of the parabola is shown with a vertex, while the root of the equation is x = 7 and -1.

A parabola is a cross-section cut out of the cone and represented by an equation

Here,
y = 29x² - 174x - 203
Roots the equation,
29x² - 174x - 203 = 0
x² - 6x - 7 = 0
(x - 7)(x + 1) = 0

Roots are x = 7 and -1
Now illustrating the graph of the parabola,

Thus the graph of the parabola is shown with a vertex, while the root of the equation is x = 7 and -1.

Learn more about parabola here:

brainly.com/question/4074088

#SPJ1

Answer:

  C.  86 sq. units

Step-by-step explanation:

You want the area of a polygon consisting of a 4 by 18 rectangle with equilateral triangles attached to the short sides.

The area of each of the two triangles is ...

  A = 1/2bh

  A = 1/2(4)(3.5) = 7 . . . . square units

The area of the rectangle is ...

  A = LW

  A = (18)(4) = 72 . . . . square units

The area of the polygon is the area of two triangles plus the area of the rectangle:

  A = 2(7) +72 = 86 . . . . square units

<95141404393>

Answer:

Answer is d=9t.

Step-by-Step:

4.5/.5=9

6.75/.75=9

13.5/1.5=9

Answer:

d= 3s+50

Step-by-step explanation:

Hope this helped you!! Give brainliest..

If the perimeter of the isosceles triangle is 12 cm, then the base of the triangle (x), as well as the length of the triangle leg (x) is 4 cm.

An isosceles triangle is a type of triangle in which two sides have the same length. These two equal sides are referred to as the legs of the triangle, while the remaining side is known as the base.

The perimeter of a triangle is the sum of the lengths of all its sides. In this case, since the triangle is isosceles, the base and one leg have the same length (x), and the other leg also has the same length (x). Therefore, the perimeter of the triangle is 2x + x = 3x. Given that the perimeter of the isosceles triangle is 12 cm, then:

3x = 12

 x = 12/3

 x = 4

So, the base and legs of the isosceles triangle each have a length of 4 cm.

To learn more about isosceles triangle visit: https://brainly.com/question/29793403

#SPJ4

Your question seems to be missing the value for the perimeter of the triangle, but I suppose the complete question was:

"The length of the base of an isosceles triangle is x. The length of a leg is x. The perimeter of the triangle is 12 cm. Find x."