Is 1918 An Improper Fraction Or A Mixed Number? (2024)

Answer:

[tex] - 2 {w}^{2} + 3w[/tex]

Solution,

[tex] {w}^{3} - w( {w}^{2} + 2w - 1) + 2w \\ = {w}^{3} - {w}^{3} - 2 {w}^{2} + w + 2w \\ = - 2 {w}^{2} + 3w[/tex]

Some rules:

[tex]( + ) \times ( + ) \ = ( + ) \\ ( - ) \times ( + ) = ( - ) \\ ( + ) \times ( - ) = ( - ) \\ ( - ) \times ( - ) = ( + )[/tex]

Hope this helps...

Good luck on your assignment..

Answer:

Since 7 is √49 and 8 is √64 and 49 < 56 < 64 the answer is 7 < √56 < 8.

Answer:

The slope of the line is 1 A point on the line is (1, 4)

Step-by-step explanation:

[tex]y-y_1=m(x-x_1)[/tex] - point-slope form of Equation of the Line

[tex]y - 4 = (x - 1)\implies\ \ m=1\,,\ x_1=1\,,\ y_1=4[/tex]

Answer:

M=1/2 AND 1/4

Step-by-step explanation:

Answer: EH = 12

Step-by-step explanation:

CD : GH = 2 : 3 ⇒ AD : EH = 2 : 3

AD = 8

AD : EH

2 : 3

×4 ×4

8 : 12

Answer:

Hello There!

~~~~~~~~~~~~~~~~~~~`

Lot present = x

Given after 18 years = x + 18

x + 18 = 4 . x

x - 4x = -18

- 3x = -18

18/3

x = 6

Hope this helped you. Brainliest would be nice!

☆_____________❤︎______________☆

Answer:

I'd use a Non-probability Sampling Method.

Explanation:

The question is already laced with criteria - Heights of Buildings in New York.

This means that there are certain buildings that won't fit in the sample. In a non-probability sample, objects or subjects are elected based on specified criteria that are not random. This means that not all objects/subject have a chance of being included in the sample.

It is assumed that the question/assignment centers around high rise buildings.

Therefore, one storey buildings and bungalows that are within and outside New York will not be included in the sample.

Under the Non-Probability Sampling Method, it is essential to note that there are other subgroupings of sampling techniques. They are:

Convenience SampleVoluntary SamplePurposive SampleSnowball Sample

Cheers!

Answer:

$147

Step-by-step explanation:

$2.00+$10.00+$30.00+$100.00+$5.00

=$147

El dinero total que tenía será de $ 147.00

Dado lo siguiente

La cantidad tenía inicialmente = $ 2.00

La cantidad dada por mamá = $ 10.00

La cantidad recibida de papá = $ 30.00

La cantidad recibida del tío y la tía = $ 100.00

Si tuviera otros $ 5,00

La cantidad total que tenía será la suma de todo el dinero que tenía y los recaudados como se muestra:

Dinero total que tenía = $ 2,00 + $ 10,00 + $ 30,00 + $ 100,00 + $ 5,00

Dinero total que tenía = $ 147.00

Por lo tanto, el dinero total que tenía será de $ 147.00.

Obtenga más información aquí: https://brainly.com/question/22309443

Answer:

Option B

Step-by-step explanation:

With a scale factor of 1/2, the dilated shape should be smaller because of the scale factor, So in Option B the dilated shape is smaller than the real one.

1) Option A is an enlargement

2) Option B is reduction

3) Option C is equality

Answer:

A = 9p² - 25

Step-by-step explanation:

The side lengths were 3p. 5 was added to the length and subtracted from the width. This means that

l = 3p + 5

w = 3p - 5

Plug these values into the formula for the area of a rectangle.

A = lw

A = (3p + 5)(3p - 5)

A = 9p² - 25

The area of the rectangle is 9p² - 25.

Answer:

a

Step-by-step explanation:

A) Relative frequency is number of times an event happened over total number of events:

Answer is 21/50 = 0.42

B) On a 6 sides die, there are 3 even numbers and 3 odd numbers, so the theoretical probability of landing on odd would be 3/6 = 0.50

C) Because the die has an equal amount of chance landing on even or odd, both are 3/6, then the dice is not biased.

Answer:

90 gallons

Step-by-step explanation:

5 people at 9 minutes each = 45 minutes

2 gallons per minutes * 45 minutes

90 gallons

Answer:

90 Gallons

Step-by-step explanation:

So to start we know that

a. every 1 min = 2 gallons

b. 5 ppl shower for 9 minutes each (on average)

so we can solve we multiplying amt. of ppl showering and the mins. they shower which is 5 and 9 respectively => and we get 45 minutes taken.

We know that each minute equals 2 gallons so we simply multiply 45 and 2 = 90 => and thus, we have our answer of 90 gallons.

Hope this helps!

Answer:

Impossible.

Step-by-step explanation:

The first and 2nd have to add up to more than the 3rd side.

According to the first triangle inequality theorem, the lengths of any two sides of a triangle must add up to more than the length of the third side. This means that you cannot draw a triangle that has side lengths 5, 6 and 11, for instance, since 5 + 6 is = 11

Answer:

Impossible

Step-by-step explanation:

It is impossible because the smaller 2 numbers need to add up to a larger number than 11 to make a triangle, because how would there be room for angles since an 11 inch angle is shorter than an 11 inch line. The angle would not be able to meet up with both ends of the 11 inch line.

Answer:

3/2

Step-by-step explanation:

3/4x - 1/2y = 12

*3/4 *3/4 *3/4

9/16x - 3/8y = 9

(9/16)/(3/8) = 9/16 * 8/3 = 3/2

Answer:

Step-by-step explanation:

Hello,

I assume that we are looking for a and b so that

ax - by = 9

<=>

[tex]\dfrac{3}{4}x-\dfrac{1}{2}y=12[/tex]

we can notice that 12 = 4 * 3

so we need to multiply by 3 and divide by 4 to get 9 from 12

[tex]\dfrac{3}{4}*(\dfrac{3}{4}x-\dfrac{1}{2}y)=\dfrac{3}{4}*12=9\\<=> \dfrac{3*3}{4*4}x-\dfrac{1*3}{4*2}y=9\\<=> \dfrac{9}{16}x-\dfrac{3}{8}y=9[/tex]

Then, we can identify a and b

[tex]a=\dfrac{9}{16} \ \ \text{\sf and} \ \ b=\dfrac{3}{8}[/tex]

Then

[tex]\dfrac{a}{b}=\dfrac{9*8}{16*3}=\dfrac{3}{2}[/tex]

hope this helps

Answer:

Please

Excuse

My

Dear

Aunt

Sally

Step-by-step explanation:

It means to add parenthesis,exclamation points, multiplication, division, addition, & subtraction PEMDAS is a easier way to remember this

Answer:

Hello!

__________________________

PEMDAS: The order of operations

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

Hope this helped you!

Step-by-step explanation: We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Answer:

[tex] \frac{2x + 4}{x} [/tex]

Option A is the correct option

Step-by-step explanation:

[tex] \frac{2 {x}^{2} - 10x - 28}{6x} \times \frac{6}{x - 7} [/tex]

Factor out 2 from the expression

[tex] \frac{2( {x}^{2} - 5x - 14)}{6x} \times \frac{6}{ x - 7} [/tex]

Weite -5x as a difference

[tex] \frac{2( {x}^{2} + 2x - 7x - 14)}{x} \times \frac{1}{ x - 7} [/tex]

Factor out

[tex] \frac{2(x(x + 2) - 7(x + 2))}{x} \times \frac{1}{x - 7} [/tex]

Factor X+2 from the expression

[tex] \frac{2(x + 2)(x - 7)}{x} \times \frac{1}{x - 7} [/tex]

Reduce the expression with x-7

[tex] \frac{2(x + 2)}{x} [/tex]

Distribute 2 through the parentheses

[tex] \frac{2x + 4}{x} [/tex]

Hope this helps...

Answer:

No; in step 2 he incorrectly evaluated the power to 64 instead of 16

Step-by-step explanation:

The question is not complete, the steps taken by Raymond are not listed, but I would show you the correct way of calculating the surface area and you determine from where Raymond made a mistake.

Answer:

A cone is a shape in which a set of lines connect the top point which is a common point to its circular base. The surface area of a cone is given by:

[tex]A=\pi r(r+\sqrt{h^2+r^2} )=\pi r(r+l)=\pi r^2+\pi rl[/tex]

Where A is the surface area, r is the radius of the cone, h is the height of the cone and [tex]\sqrt{h^2+r^2}[/tex] is the length of the slant height of the cone.

Given that a cone has a diameter measure of 8 meters and a slant height of 20.5 meters. Therefore:

radius (r) = diameter/2 = 8 / 2 = 4 m

Slant height (l) = 20.5 m

The surface area is:

[tex]A=\pi r^2+\pi rl\\Substituting \ values:\\A=\pi *4^2+\pi *4*20.5\\=\pi *16+\pi *82\\=98\pi \ m^2\\=307.9\ m^2[/tex]

The power in step 2 is 16 not 64

Answer:

The correct answer on EDG-2020 is:

No; in step 1 he used the diameter measure instead of the radius.

Step-by-step explanation:

Answer:

They never touch

Step-by-step explanation:

BEcause they dont touch because they are at a 90 degree angle forever so therefor it will not touch

Answer: C. -2

Explanation:

The average rate of change from x = 0 to x = 3 is exactly the same as the slope of the line through the two points (0,6) and (3,0)

m = slope

m = (y2 - y1)/(x2 - x1)

m = (0-6)/(3-0)

m = -6/3

m = -2

The average rate of change is -2. The negative result indicates the slope is going downhill as you move from left to right.

Answer:

a) 12a + 3b + 2c

b) 19y + 9x

c) 11k + 7m + 3n

Step-by-step explanation:

a) 4a + 3b + 8a + 2c

12a + 3b + 2c

b) 6x + 4y + 3y + 7y + 5y + 3x

6x + 19y + 3x

19y + 9x

c) 5k + 3m + 4m + 3n + 6k

5k + 7m + 3n + 6k

11k + 7m + 3n

Answer:

a) 12a+3b+2c

b) 9x + 19y

c) 11k+7m+3n

Step-by-step explanation:

a) 4a+3b+8a+2c

Combining like terms and adding them

=> 4a+8a+3b+2c

=> 12a+3b+2c

b) 6x+4y+3y+7y+5y+3x

Combining like terms and adding them

=> 6x+3x+3y+7y+5y+4y

=> 9x + 19y

c) 5k + 3m + 4m + 3n + 6k

Combining like terms and adding them

=> 5k+6k+3m+4m+3n

=> 11k+7m+3n

Answer:

C. 55

Step-by-step explanation:

Since all angles in a triangle add up to 180°, we have:

40 + y + y + 30 = 180

2y + 70 = 180

2y = 110

y = 55

Answer:

C. 55º

Step-by-step explanation:

A triangle is 180º.

So, 40+y+30+y = 180º Form an equation to solve it. Then combine like terms

70+2y = 180º Subtract 70 on both sides.

2y = 110º Divide 2 on both sides

y = 55º The answer is 55º

The correct answer is 3780 bolts

Explanation:

In one hour the machine can make either 500 nuts or 840. Now, if the machine first made 750 nuts, this means the machine worked 1.5 hours. You can know this using the rule of three:

500 nuts (a) = 1 hour (b)

750 nuts (c) = x (time spent to make 750 nuts)

x = 750 x 1 / 500

x = 1.5

Note: In a rule of three you find the fourth unknown value if you multiply value b by c and divide it by the value a.

According to this, the machine worked 1.5 hours making nuts, and if the machine started at 2 pm, this means the machine ended making nuts at 3.30 pm as 2 pm + 1.5 hours = 3:30 pm (2 + 1.5 = 3.5 ). Now you know the machine made bolts from 3: 30 pm to 8:00 p.m. This means the time the machine made bolts was 4 and a half hours or 4.5 hours (8 - 3.5 = 4.5). At this point, the only missing step is to multiply the time 4.5 hours by the number of bolts the machine makes each hour 840 and this is equivalent to 3780 bolts (840 x 4.5 = 3780).

Answer:

C

Step-by-step explanation:

Given

x³ + 3x² + 3x + 9 ( factor first/second and third/fourth terms )

= x²(x + 3) + 3(x + 3) ← factor out (x + 3) from each term

= (x² + 3)(x + 3) → C

Answer:

48 years old

Step-by-step explanation:

5 years old after 7 years is 12 years old. 12×4=48 years old

Answer: mirza's father age is 41 years

Step-by-step explanation:

mirza's present age = 5

mirza's age after seven years = 5+7 = 12

mirza's father age = x

therefore, x =4(12)=48

mirza's father present age = 48-7=41

Answer:

x = 50

Step-by-step explanation:

[tex]\frac{x}{6-11} =-10\\\\\frac{x}{-5} =-10\\Cross-Multiply\\x = - 10\times -5\\x = 50[/tex]

Equation:

x/6 - 11 = -10

Add 11 to both sides

x/6 = 1

Multiply both sides by 6

x = 6

Complete question:

Two random samples were done to determine how often people in a community go to the dentist the first sample surveyed 10 people as they enter their workplaces. The first sample found that the mean time between visits to the dentist with 7.5 months. The second sample survey 50 people as they enter the local grocery store. The second simple found that the mean time between visits to the dentist is 18.1 months. Which statements are true check all that apply

1) The first sample is likely to be more representative of the population.

2) The second sample is likely to be more representative of the population.

3)The second sample will give a better representation because it is larger.

4) The first sample is not biased.

5) Community members probably visit the dentist about once every 18 months.

Answer:

2,3,5

Step-by-step explanation:

2) The second sample is likely to be more representative of the population, this is because the number of observations in the second sample is more than the number of observations in the first. And the more the sample observation, the more representative it is about the population.

3.) The second sample will give a better representation because it is larger, the size of the second sample is the sole factor which gives it a better representative edge than the first sample.

5.) Community members probably visit the dentist about once every 18 months, from the question, the avarage time visit of community members to the dentist is 18.1 months which is approximately 18 months, the mean gives the average value of a distribution

Answer:

Periodic phenomena means that the phenomena has a (almost) constant time period or space period.

As you know, the trigonometric functions cos(x) and sin(x) also have a constant period of 2*pi, so these functions are really useful to model periodic phenomena.

Now, the problem may be that the trigonometric functions may be useful to describe the "periodic" part, but not to describe the actual phenomena.

An example of this can be a square alternating current.

While it has a constant period like a trigonometric function, the trigonometric functions can not really model the "square" part of this current (you know that the sinusoidal functions actually are curves and continuous)

Here comes something called the Fourier Series, that are series of the form:

F(x) = a₀ + ∑(aₙ*cos(nx) + bₙ*sin(nx))

That can be used to model almost any periodic phenomena, but the actual Fourier Series may be hard to construct.

Answer:

slope m=1/7

Step-by-step explanation:

x-7y=-6

-7y=-x-6

y=-x/-7 -6/-7

y=1/7 x+6/7

Answer:

we have the equation y = (1/2)*x + 4.

now, any equation that passes through the point (4, 6) will intersect this line, so if we have an equation f(x), we must see if:

f(4) = 6.

if f(4) = 6, then f(x) intersects the equation y = (1/2)*x + 4 in the point (4, 6).

If we want to construct f(x), an easy example can be:

f(x) = y = k*x.

such that:

6 = k*4

k = 6/4 = 3/2.

then the function

f(x) = y= (3/2)*x intersects the equation y = (1/2)*x + 4 in the point (4, 6)

Answer:

A. y=6

Step-by-step explanation:

For anyone who doesn't wanna read a boring giant paragraph.

Answer:

a) about -12 °C

b) see below (red line)

c) about -24.5°C

Step-by-step explanation:

a) locate the vertical line representing 10°F on the graph. Identify the point where it intersects the graphed line. Read the vertical coordinate of that point of intersection. That is the temperature in °C. (Purple line on the attachment.) It is about -12 °C.

__

b) When F = -20, C = 2F = 2(-20) = -40. So, (-20, -40) is one point on the line.

When F = 10, C = 2F = 2(10) = 20. So, (10, 20) is another point on the line.

In the attached graph, we have drawn a (red) straight line between these points.

__

c) The Celsius temperature where it is double the Fahrenheit temperature is about -24.5°C. (Blue line on the attachment.) It is exactly -24 8/13 °C. The graph cannot be read with that precision.