9. Which set of ratios below is NOT equivalent
to 3:4?
9
A. 6 to 9,
15
B. 9 to 12, 20
c.
26,24:32
D.
30
40
18:24

Answer:

The person's angular momentum will be double

Step-by-step explanation:

Let

Speed of person=v

Mass of person=m

Radius=r

Speed of person=2v

We have to find the person's angular momentum when the speed of person is double and all else remains same.

We know that

Angular moment ,L=mvr

Using the formula

Angular momentum of person when speed 2v

L'=m(2v)r

[tex]\frac{L'}{L}=\frac{m(2v)r}{mvr}=2[/tex]

[tex]L'=2L[/tex]

Hence, the angular moment of person will be double when the speed of person is double.

Answer:

all of them are correct

Step-by-step explanation:

Answer:

$0.70

Step-by-step explanation:

Divide to find the unit rate.

3.5 / 100 = 0.035

Multiply.

0.035 * 20 = 0.7

Best of Luck!

Answer:

20 pencils will cost $0.70.

Step-by-step explanation:

3.5/100=x/20

cross product

100*x=3.5*20

100x=70

x=70/100

x=7/10

Answer:

I do not know but have a good weekend

Step-by-step explanation:

Answer:

Step-by-step explanation:

4. angle 4 and 6. 2. Alternate exterior angles

angle 3 and 5. 3. Consecutive interior angles

5. Angle 1 and 5

Angle 2 and 6

6. Angle 1 and 7

Angle 8 and 2

The answer will be A-1188 in²

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Answer:

A

Step-by-step explanation:

Option D is correct. The vertex of the graph of g is 6 units below the vertex of the graph of f.

The equation y = mx + c is the general equation of any straight line  where m is the slope of the line and c is the y-intercept.

According to the question we have

[tex]f(x) = x^{2} \\g(x) = f(x)-6[/tex]

From the above function it is clear that the equation for the graph of g(x) will be

[tex]g(x) = x^{2} -6[/tex]

Since, the y intercept of function f(x) is zero, therefore the function g(x), 6 units below the intercept of the function f(x).

Hence, option D is correct. The vertex of the graph of g is 6 units below the vertex of the graph of f.

Learn more about intercept here:

https://brainly.com/question/14180189

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Answer:

1 : 700 000

Step-by-step explanation:

63 km = 6 300 000 cm

Make it a proportion:

9 cm - 6 300 000 cm

1 cm - x cm

x = [tex]\frac{6 300 000 * 1}{9}[/tex] = 700 000 cm

Here we get that in map 1 cm represents 700 000 cm in reality, so the scale is 1 : 700 000

Step-by-step explanation:

we know that

Work =f*d

=25*100

=2500Joule

therefore work done is 2500Joule

Answer:

Solve the rational equation by combining expressions and isolating the variable.

x=47.04630109.

Step-by-step explanation:

Answer:

-1.2 or -5/6

Step-by-step explanation:

thats all I can say pls

Answer:

B

Step-by-step explanation:

The mean age of 5 people in a room is 26 years. A person enters the room. the mean age is now 33 so the age of the person 68 who entered the room.

In statistics, in addition to the mode and median, the mean is one of the measures of central tendency. Simply put, the mean is the average of the values in the given set. It indicates that values in a particular data set are distributed equally. The three most frequently employed measures of central tendency are the mean, median, and mode. The total values provided in a datasheet must be added, and the sum must be divided by the total number of values in order to determine the mean. When all of the values are organized in ascending order, the Median is the median value of the given data. While the number in the list that is repeated a maximum of times is the mode.

So According to the question, the Mean of  5 people in a room =26

When a person enters the room mean age becomes = 33

The sum of their age is = 5*6 =130

when other persons enter the room means the total person becomes =6

and the sum of their age after another person enters the room= [tex]x+130[/tex]

where x is the age of the other person entering the room.

so, mean = 33= (130+x)/6

 then, 130+x=6*33

   And,130+x=198

so,x=198-130  =68

For more information about the mean visit:

https://brainly.com/question/21903586

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Answer:

Step-by-step explanation:

Since there official question included with this, here is both equations and the point at which they equal the same amount.

Let x be every t-shirt printed.

Master Ink: 35+12x

Totally Tee: 55 + 8x

The point of which both equals the same (no matter how many shirts you buy) means that Master Ink = Totally Tee, therefore:

35+12x  = 55+8x               Solve

4x=20

x = 5  

For the cost from both companies to be the same, you can buy 5 shirts. I would recommend Master Ink if you want to buy 5 shirts or less, and Totally Tee, for 5 shirts or more if you want to buy the cheapest offer.

380000

Step-by-step explanation:

3.8*10*10*10*10*10

3.8*100000

380000

Answer:

A.C.E

Step-by-step explanation:

The points which are solutions to the linear inequality, y < 0.5x + 2 are; (-3, -2), (-1, -2) and (1, -2)

By testing the point values; we have;

For (–3, –2);

For (–2, 1);

For (–1, –2);

For (–1, 2);

For (1, –2);

Read more on solutions to inequalities;

https://brainly.com/question/12371526

Answer:

3

Step-by-step explanation:

The scale factor of the dilation is 3

Answer:

n=12

m=5

Step-by-step explanation:

The sides on the left and right are equal, and the sides on the top and bottom are equal.

Left and right: n=12

Top and bottom: m+1=6; subtract 1 on both sides to get m=5

Answer:

6.557

Step-by-step explanation:

Answer:

6.557

Step-by-step explanation:

Hope this helps and have a great day!!!

Answer:

Nature : The phenomena of the physical world collectively, including plants, animals, the landscape, and other features and products of the earth, as opposed to humans or human creations. (according to Oxford Dictionary)

Answer: 8

Step-by-step explanation:

Given

lottery win is inversely proportional to the number of tickets matching the correct number.

Suppose lottery amount is given by A and no. of tickets by n then

[tex]\Rightarrow A\propto \frac{1}{n}\\\Rightarrow A\cdot n=\text{constant}[/tex]

Initially A=£1400, n=20

then A=£3500, n=?

Product in both the case is same

[tex]\therefore \quad 1400\times 20=3500\timesn\\\Rightarrow n=8[/tex]

There are 8 tickets that matched the correct numbers

Answer:

Step-by-step explanation:

If the angles of a triangle are 45°, 45° and 90°, the the sides of the triangle are x. x and x√2

x√2 = 19√2   ⇔  x = 19

Answer:b

Step-by-step explanation:

Answer:

0.81z

Step-by-step explanation:

Minus 0.19 from 1

Answer:

0.4666666666666667

Step-by-step explanation: