The scale on a map says 4cm represents 20 kmWhat is the actual number of kilometers that is represented by 20 centimeters on the map?

Answers

Answer 1
100km

4cm:20km
(x5) (x5)
20cm:100km

Related Questions

Please help I don’t know how to do this/ if I’m doing it right :(

Please help I dont know how to do this/ if Im doing it right :(

Answers

The measure of the angles and arcs are OLN = 220 deg, OL = 110 degrees deg

Calculating the measure of the angles and arcs

From the question, we have the following parameters that can be used in our computation:

LMN = 110 degrees

This means that

LN = 110 degrees i.e. angle subtended by the arc equals angle at the center

This also means that

OLN = LMN + LMO

Where LMN = LMO

So, we have

OLN = 110 + 110

OLN = 220

Lastly, we have

OL = LMO

This gives

OL = 110 degrees

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Answer

OLN is 220 degrees and OL is 110 degrees :D please mark as brainliest bye have a great day

Step-by-step explanation:

Given the Equation y squared-Ay-6=0, where A is a constant, find the solutions for y in terms of A

Answers

Answer:

do u still need help with this

Which of the following are possible solutions to this inequality?
SELECT ALL THAT APPLY :D


A) -2.75

B) -3

C) -2.5

D) -2.51

Which of the following are possible solutions to this inequality?SELECT ALL THAT APPLY :DA) -2.75B) -3C)

Answers

Answer:

I think the answer is a,b and d.

Newlyweds Bill and Sue are nonfreckled. Because each had one parent who had freckles, they wonder what the probability is of their children having freckles. What would you tell them

Answers

Based on the information provided, both Bill and Sue have one parent who has freckles, but they themselves do not have freckles. This suggests that they both carry a copy of the freckle gene, even though they do not exhibit the freckles themselves. To provide a more accurate assessment of the probability of their children having freckles.

The inheritance of freckles is typically determined by multiple genes, and it can be a complex trait influenced by both genetic and environmental factors. The presence or absence of freckles in an individual is determined by the interaction of these genetic factors.

When two individuals who are carriers of a certain trait have children, there is a chance that their children may inherit the trait. In this case, the probability of their children having freckles depends on the specific inheritance patterns of the freckle gene(s) and the contribution of other genetic and environmental factors.

Without more specific information about the inheritance pattern of freckles in their families, it is difficult to provide an accurate probability of their children having freckles. Genetic traits can be inherited in various ways, such as through dominant or recessive genes, and it can also depend on the presence or absence of other modifying genetic factors.

It would be advisable for Bill and Sue to consult with a genetic counselor or healthcare professional who can take into account their family histories, specific genetic information, and other relevant factors to provide a more accurate assessment of the probability of their children having freckles.

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The nurse is teaching a female client who uses a contraceptive diaphragm about reducing the risk for toxic shock syndrome (TSS). Which information should the nurse include?

Answers

The nurse should instruct the client to clean and dry the diaphragm thoroughly before and after use, avoid leaving the diaphragm in place for longer than recommended, and to seek medical attention immediately if symptoms of TSS develop such as fever, vomiting, and a rash.

Additionally, the nurse should advise the client to avoid using the diaphragm during menstruation as this may increase the risk of TSS. It is important to note that while TSS is rare, it is a potentially life-threatening condition and clients should be educated on how to minimize their risk.
The nurse should inform the female client using a contraceptive diaphragm about the following points to reduce the risk of Toxic Shock Syndrome (TSS):
1. Avoid wearing the diaphragm for prolonged periods - do not exceed 24 hours of continuous use.
2. Properly clean and store the diaphragm when not in use to prevent bacterial growth.
3. Change the contraceptive gel or spermicide with each use and after 6 hours if needed.
4. Monitor for symptoms of TSS, such as fever, rash, vomiting, or diarrhea, and contact a healthcare provider if these occur.
5. Practice good personal hygiene and maintain a healthy lifestyle to boost the immune system.
Remember, it's essential to follow these guidelines to minimize the risk of TSS while using a contraceptive diaphragm.

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Which is the correct way to model the equation 5x+6=4x+(-3) using algebra tiles?
O 5 positive x-tiles and 6 positive unit tiles on the left side; 4 positive x-tiles and 3 negative unit tiles on the right side
6 positive x-tiles and 5 positive unit tiles on the left side; 3 negative x-tiles and 4 positive unit tiles on the right side
5 positive x-tiles and 6 negative unit tiles on the left side; 4 positive x-tiles and 3 negative unit tiles on the right side
5 positive x-tiles and 6 positive unit tiles on the left side; 4 positive x-tiles and 3 positive unit tiles on the right side

Answers

The correct way to model the equation 5x+6=4x+(-3) using algebra tiles is:

5 positive x-tiles and 6 positive unit tiles on the left side;

4 positive x-tiles and 3 negative unit tiles on the right side.

I just wrote a formal email to my teacher. What do you think their response was?
A. (Something formal back)
B. K
C. (Emailing me something back that's basically complete gibberish)
D. Thanks
(This is a joke just take the points, you earned them.)​

Answers

Answer:

A

Step-by-step explanation:

Let S be the part of the plane 2c + 2y + z = 2 which lies in the first octant, oriented upward. Use the Stokes theorem to find the flux of the vector field F = li + 3j + 1k across the surface S. Preview My Answers Submit Answers

Answers

Using the given terms, we'll apply Stokes' theorem to find the flux of the vector field F across the surface S.

Stokes' theorem states that the flux of the curl of a vector field F across a surface S is equal to the circulation of F around the boundary of S. Mathematically, it's expressed as:

∮_C F·dr = ∬_S curl(F)·dS

Given the vector field F = li + 3j + 1k, we first need to find the curl of F. Curl(F) is given by the determinant of the following matrix:

| i  j  k  |
| ∂/∂x  ∂/∂y  ∂/∂z |
| l  3  1 |

Curl(F) = i(∂(1)/∂y - ∂(3)/∂z) - j(∂(1)/∂x - ∂(l)/∂z) + k(∂(3)/∂x - ∂(l)/∂y)
Curl(F) = -j(0 - 0) + k(0 - 0) = 0

Since the curl of F is 0, the flux of the vector field F across the surface S is also 0. Therefore, by using Stokes' theorem, we have found that the flux of the vector field F across the surface S in the first octant is 0.

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PLEASE HELP ME!!!! WILL GIVE BRAINLIEST!!!

PLEASE HELP ME!!!! WILL GIVE BRAINLIEST!!!

Answers

The student is incorrect, as the correct theorem is the ASA Theorem, Angle-Side-Angle.

What is the Angle-Side-Angle congruence theorem?

The Angle-Side-Angle (ASA) congruence theorem states that if any of the two angles on a triangle are the same, along with the side between them, then the two triangles are congruent.

For this problem, the congruent angles are given as follows:

ACB and DCE -> as it is a vertical angle.CAB and CEB.

We have two angles that are congruent, hence the ASA theorem is used instead of the SAS theorem, which needs two sides and the angle between them to be congruent.

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Consider the surface defined by z=f(x,y), where: f(x,y)=2(x2+y2)x2y​ Write down the equation of the tangent planes to the surface f(x,y) at the points (a) x=1,y=−1 (b) x=2,y=2 (All steps in the calculations must be clearly shown.)

Answers

The equation of the tangent plane to the surface f(x,y) at the point (a) x=1,y=-1 is z = -12x + 4y + 2, and at the point (b) x=2,y=2 is z = 128x + 80y - 384.

To find the equation of the tangent plane to the surface defined by z=f(x,y), where f(x,y)=2(x^2+y^2)x^2y, at the given points, we need to find the partial derivatives with respect to x and y.

Step 1: Find the partial derivative with respect to x:
f_x = d(f(x,y))/dx = 4xy(x^2+y^2) + 4x^3y

Step 2: Find the partial derivative with respect to y:
f_y = d(f(x,y))/dy = 4xy(x^2+y^2) + 2x^2y^2

Step 3: Substitute the given point (a) x=1, y=-1 into the partial derivatives to find the slope of the tangent plane at this point:
f_x(1,-1) = 4(-1)(1^2+(-1)^2)(1^2+(-1)^2) + 4(1)^3(-1) = -12
f_y(1,-1) = 4(-1)(1^2+(-1)^2)(1^2+(-1)^2) + 2(1)^2(-1)^2 = -4

Step 4: Use the point-slope form of the equation of a plane, z = f(a,b) + f_x(a,b)(x-a) + f_y(a,b)(y-b), to find the equation of the tangent plane:
z = f(1,-1) + f_x(1,-1)(x-1) + f_y(1,-1)(y-(-1))
  = 2(1^2+(-1)^2)(1^2)(-1) + (-12)(x-1) + (-4)(y+1)
  = -2 - 12x + 12 + 4y + 4
  = -12x + 4y + 2

Step 5: Substitute the given point (b) x=2, y=2 into the partial derivatives to find the slope of the tangent plane at this point:
f_x(2,2) = 4(2)(2^2+2^2)(2^2+2^2) + 4(2)^3(2) = 128
f_y(2,2) = 4(2)(2^2+2^2)(2^2+2^2) + 2(2)^2(2)^2 = 80

Step 6: Use the point-slope form of the equation of a plane to find the equation of the tangent plane:
z = f(2,2) + f_x(2,2)(x-2) + f_y(2,2)(y-2)
  = 2(2^2+2^2)(2^2)(2) + 128(x-2) + 80(y-2)
  = 32 + 128x - 256 + 80y - 160
  = 128x + 80y - 384

Therefore, the equation of the tangent plane to the surface f(x,y) at the point (a) x=1,y=-1 is z = -12x + 4y + 2, and at the point (b) x=2,y=2 is z = 128x + 80y - 384.

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A family went on a vacation. They drove 120 miles. Dad drove 80% of the distance How many miles did Dad drive?

Answers

Answer:96

Step-by-step explanation:

lol gghjbgghu was a

lol gghjbgghu was a

Answers

it might be 4/5? good luck

Answer:

4/5

Step-by-step explanation:

What is the percent of tip?


Cost of meal $22.50

Tip $4.05


15%

16%

17%

18%

Answers

Answer:

18%

Step-by-step explanation:

Multiply 22.50 by all the answer choices and use PROCESS OF ELIMINATION.  

By default 18 percent is what gives you the answer 4.05

the tip amount of $4.05 is 18% of the $22.50 cost of the meal. This means that the customer left an 18% tip on the total cost of the meal. Correct option is 4.

To calculate the percent of the tip, we need to divide the tip amount by the cost of the meal and then multiply by 100 to express the result as a percentage.

Given:

Cost of meal = $22.50

Tip amount = $4.05

Now, apply the formula:

Percent of Tip = (Tip Amount / Cost of Meal) * 100

Plugging in the values:

Percent of Tip = (4.05 / 22.50) * 100

Calculating the division:

Percent of Tip = 0.18 * 100

Percent of Tip = 18%

So, the tip amount of $4.05 is 18% of the $22.50 cost of the meal. This means that the customer left an 18% tip on the total cost of the meal.

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Perform the indicated operations. (a) 3/4 - 4/7

(b) 2+ 3/8 - 1/6

Answers

After simplification we get,

(a) The result is \(\frac{5}{28}\).

(b) The result is: \(2 + \frac{5}{24}\)

(a) 3/4 - 4/7

To add or subtract two or more fractions, you must have the same denominator.

Let's find the common denominator of 4 and 7.4 × 7 = 28 and 7 × 4 = 28.

Then, convert both the fractions to have the common denominator of 28.3/4 can be rewritten as:

\($\frac{3}{4} \times \frac{7}{7} = \frac{21}{28}$4/7\) can be rewritten as:

\(\frac{4}{7}\times \frac{4}{4} = \frac{16}{28}\)

So, \(3/4 - 4/7 = \frac{21}{28} - \frac{16}{28} = \frac{5}{28}$\)

Thus, the result is \(\frac{5}{28}.\)

(b) 2+ 3/8 - 1/6

Let's find the common denominator of 8 and 6.8 × 6 = 48 and 6 × 8 = 48.

Then, convert both the fractions to have the common denominator of 48.

3/8 can be rewritten as: \(\frac{3}{8} \times \frac{6}{6} = \frac{18}{48}1/6\) can be rewritten as:

$\frac{1}{6} × \frac{8}{8} = \frac{8}{48}$

So, \(2+ 3/8 - 1/6 = 2 + \frac{18}{48} - \frac{8}{48}$= 2 + $\frac{10}{48}$\)

Now, we can simplify $\frac{10}{48}$ by dividing both numerator and denominator by 2.

10/48 ÷ 2/2 = 5/24

Thus, the result is: \(2 + \frac{5}{24}\)

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Help me || will mark brainlest ||which product could contain a substance formed by reaction b?

group of answer choices

antacid

baking soda

dark chocolate

milk

Answers

Answer:milk

Step-by-step explanation:

Triangle ABC ~ triangle DEF. Use the image to answer the question.

Determine the measurement of EF.

EF = 1.1
EF = 1.39
EF = 2.37
EF = 3.3

Triangle ABC ~ triangle DEF. Use the image to answer the question.Determine the measurement of EF. EF

Answers

Answer:

EF = 2.37

Step-by-step explanation:

It's given that these are similar triangles.

In similar triangles, the side lengths are proportional.

We can write the following equation based on this information:

\( \frac{11}{3.3} = \frac{7.9}{ef} \)

Cross multiply fractions

11EF = 27.03

Divide both sides by 11

EF = 2.37

Assume that Y is nermaly distributed N(ψ, α
2
) Moving from the mean (μ)1.96 standard deviations to the left and 1.96 standard deviations to the right, then the area under the normal p. d.f. is: A. 0.05 B. 0.33 c. 0.67 b. 0.05

Answers

The area under the normal probability density function (p.d.f.) within 1.96 standard deviations of the mean on both sides is approximately 0.95.

In a normal distribution, the area under the p.d.f. curve represents probabilities. The area between the mean and 1.96 standard deviations to the left or right represents approximately 95% of the data. Since the normal distribution is symmetrical, we can split this area equally on both sides, resulting in approximately 0.475 (or 47.5%) on each side.

To calculate the total area, we add up the areas on both sides: 0.475 + 0.475 = 0.95. This means that 95% of the data falls within the range of 1.96 standard deviations from the mean. Consequently, the remaining 5% is distributed outside this range (2.5% to the left and 2.5% to the right). Therefore, the correct answer is A. 0.05, which corresponds to the area outside the range of 1.96 standard deviations from the mean.

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Pleaseeeee hellllppppp and explainnn

Pleaseeeee hellllppppp and explainnn

Answers

You most likely have to multiply 10 (7 times) and whatever your answer is then you multiply your answer times 64

Probability and statistics please help me out

Probability and statistics please help me out

Answers

Answer:

first option

Step-by-step explanation:

1/7

I hope this is correct...

A concert starts at 7:00 p.M. The chorus performs for 30 minutes. There is a 15-minute break and then the band performs for 30 minutes. What time does the concert end?

Answers

Answer:

8:15 pm

Step-by-step explanation:

A concert starts by 7:00pm

They perform for 30 minutes

There is a 15 minutes break

The band performs for another 30 minutes

Hence the concert will end by 8:15 pm

the number 120 is increased by 50%, and the result is then decreased by 30% to give the number x. what is the value of x?

Answers

Answer: x = 126

Step-by-step explanation:

We know that 50% of 120 is 60. So, to increase 120 by 50%, we add 60. This gets us 180. Next, we find 30% of 180. This is 54. So, we subtract 54 from 180. So, x = 126

How do you write the slope-intercept form of the equation of the line through the given point and parallel to the given line?.

Answers

The slope-intercept form of the equation of the line through the given point and parallel to the given line is y=x−14.

In the given question we have to write the slope-intercept form of the equation of the line through the given point and parallel to the given line.

The given points are (–2, –16).

The given equation of line is y = x – 5.

Standard equation of line is y=mx+c.

After comparing to the standard equation.

Slope m(1) = 1

The line passes through (−2,−16), so the point will satisfy the equation y=mx+c. So

−16=−2*1+c

Simlifying

−16=−2+c

Add 2 on both side, we get

c = −16+2

c = −14

As we know that if line is parallel then

m(1)=m(2)

So the value of solpe m = 1

Now the equation of line

y=1*x+(−14)

y=x−14

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The right answer is:

How do you write the slope-intercept form of the equation of the line through the given point and parallel to the given line?

Point (−2,−16), y = x – 5

What should I type in, in the box

What should I type in, in the box

Answers

Answer:

No

Step-by-step explanation: No, because each input is not compared to exactly one output. The ordered pair that would need to be removed is (5,7) or (5,8). This works because it means that one of the inputs got taken away and can go to exactly one output.

Move a symbol to each box to compare the fractions.
5/6 10/12
12/100 10/12
<>=

Move a symbol to each box to compare the fractions.5/6 10/1212/100 10/12&lt;&gt;=

Answers

Answer:

See below ~

Step-by-step explanation:

Question 1

5/6 _ 10/12

Take LCM as 125/6 x 2/2 _ 10/1210/12 _ 10/1210/12 = 10/12

Question 2

12/100 _ 10/12

Simplify both sides3/25 = 5/6Take LCM as 1503/25 x 6/6 = 5/6 x 25/2518/150 _ 125/150125 is greater than 1812/100 < 10/12

find two numbers whose sum is 44 and whose difference is 20 (PLEASE HELP I HAVE 5 MINUTES)

Answers

The correct answers would be 32 and 12.
32 + 12 = 40, and 32 - 12 = 20. Hope this helps! Have a great day!

write a boolean expression that is true if the value of x is equal to zero.

Answers

On solving the provided question, we can say that The expression will be

x=int(input('Enter the number'));

if x == 0:

         #returns

True if x==0

print ('True')

What is expression ?

In mathematics, it is possible to multiply, divide, add, or remove. The construction of an expression is as follows: Expression, number, and mathematical operator Numbers, variables, and functions are the building blocks of a mathematical expression (such as addition, subtraction, multiplication or division etc.) Expressions and phrases can be contrasted.

As Boolean expression :- x == 0

When x is 0, the expression becomes 0==0. Left and right values are the same. Hence , the boolean expression becomes true.

When x is 1 then expression becomes 1==0. Left and right values are not the same. Hence , the boolean expression becomes false.

The expression will be

x=int(input('Enter the number'));

if x == 0:          

#returns

True if x==0

print ('True')

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(13.9 x 108) - (2 x 102

Answers

Answer

Answer = (6.95 × 10⁻¹⁰)

Explanation

We are asked to solve (13.9 × 10⁻⁸) ÷ (2 × 10²)

To solve this, we will have

\(\begin{gathered} \frac{13.9\times10^{-8}}{2\times10^2}=\frac{13.9}{2}\times\frac{10^{-8}}{10^2}=6.95\times10^{-8-2} \\ =6.95\times10^{-10} \end{gathered}\)

Hope this Helps!!!

Find the volume of this object.
Use 3 for T.
Volume of a Cylinder
V=7r2h
Volume of a Cone
V=71r2h
7cm
3
4cm
6cm/
V
V~ [?]cm
PLEASE

Find the volume of this object.Use 3 for T.Volume of a CylinderV=7r2hVolume of a ConeV=71r2h7cm34cm6cm/VV~

Answers

Answer:

147cm³

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This is the answer

how you could find the decimal that is equivalent to 3/15 without doing any long division.

Answers

Answer:

You could multiply both the numerator and the denominator by 2

Step-by-step explanation:


If x - 10 is a factor of x2 - 8x - 20, what is the other
factor?
X +

Answers

Answer:

(x + 2)

Step-by-step explanation:

When we factor the expression x² - 8x - 20, we should get (x + 2)(x - 10).

Alternatively, we can use synthetic division or long division to get our answer.

Answer:

x + 2

Step-by-step explanation:

got it right edg '22

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please solve all of themhe equation for a straight line (deterministic model) is y=o +Bx. the line passes through the point (-2,2), then x = -2, y = 2 must satisfy the equation; that is, 2= Bo + B(-2). Similarly, if A stealth submarine plots a course through an underwater valley with three separate position vectors, as shown in Fig. P4.15. It first travels P1=5 km60 north of west in the first leg, P2=8 km60 north of east in the second leg, and P3=7 4km straight east in the third leg. Figure P4.15 Position of a stealth submarine. (a) Using the positive xy coordinate system shown in Fig. P4.15, write all three position vectors in rectangular form (i.e., in terms of unit vectors i^ and j^ ). (b) Use your results of part (a) to determine the final resultant position PR=P1+P2+P3 and write your answer in both rectangular and polar forms. whats ( -13x- 15 ) - ( -9x + 16 ) what is the slope of the line Saccharomyces cerevisiae is used in the making of all of the following EXCEPT ______.yogurtbeerbreadwine Which of the following events was a direct consequence of the Islamic Revolution? A conflict between Israel and the Palestinian Arabs B. Iraqi citizens desire for a democracy Cthe September 11, 2001 terrorist attacks D an eight-year war between Iraq and Iran Please select the best answer from the choices provided OA OB standardizing job tasks to introduce new work methods is an outcome of: 2. Why was the Stuart Dynasty restored to the throne? In which stage of the cell cycle does the cell duplicate its dna?. Consider a work situation when you have been faced with an ethical dilemma, or conflict of interest and, whilst respecting third party confidentiality, use the following questions to help you reflect on the situation.What happened? Where?What was your part in this? What did you do?Who else was involved? What did they do?What was the result? pls help me! (7th grade math)help is very much appreciated :) What does the novel suggest to you about the impact significant events have on an individuals ability to persevere in the face of great challenge and/or adversity in apollo 13? (7m^-2m^2n)^2m=-6 n=2 *80 POINTS TO BRAINLIEST*Thomas Jefferson largely drew on John Lockes ideas about government. Explain who John Locke was and what his ideas about government were. What is the distance between the points (7, 8) and (-8, 0) on a coordinate graph? Much appreciated if you answer! Task 1 Find the domain and the range of each graph belowy- Review for Exam 2 - MATH 2421 1. Find the absolute extrema of the functions on the given intervals: (a) f(x) = 7x2 + 1 on (-1,2] - (b) f(x) = 2x3 6x on [0, 3] (c) f(x) = ya on (27, 27] 6.x2 (d) cual es la respuesta de 1000+25 the coefficient of determination (r2) decreases when an independent variable is added to a multiple regression model. a. true b. false An individual, admitted to the hospital after being diagnosed with pneumonia, has developed high fever, altered mental status and low blood pressure. The cause of his signs are symptoms :_________