someone please help me!!

Answer:

10 > w

Step-by-step explanation:

-2 > w-12

Add 12 to both sides of the equation in order to isolate w

This will cancel out 12 on the right side of the inequality as well as give the value of w on the left side of the inequality.

The Emily soccer team has the higher ratio of wins to losses.

Ratio is defined as the relationship between two quantities where it tells how much one quantity is contained in the other.

The ratio of a and b is denoted as a : b.

Given that,

Ratio of win to loss of Emily soccer team = 9 : 12

Ratio of win to loss of Grant soccer team = 10 : 15

9 : 12 = 9 / 12 = (9 × 5) / (12 × 5) = 45 / 60

10 : 15 = 10 / 15 = (10 × 4) / (15 × 4) = 40 / 60

If 60 games are losses, then 45 games are wins for Emily soccer team.

If 60 games are losses, then 40 games are wins for Grant soccer team.

Higher ratio is for Emily soccer team.

Hence higher ratio of wins to losses is for Emily soccer team.  

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The surafce area of the cone with a slant height of 14 in and a diameter of 6 in is 160.2 in².

A cone is simply a 3-dimensional geometric shape with a flat base and a curved surface pointed towards the top.

The surface area of a cone can be expressed as;

SA = πrl + πr²

Where r is radius of the base, l is the slant height of the cone and π is constant pi.

Given that:

Slant height l = 14 in

Diameter d = 6 in

Radius r = diameter/2 = 6/2 = 3in

S.A = ?

Plug the given values into the above formula and solve for the surface area.

SA = πrl + πr²

SA = ( π × 3in × 14in ) + ( π × (3in)² )

SA = 160.2 in²

Therefore, the surface area is 160.2 in².

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Answer:

Hello,

answer slope =-3/4=-0.75

Step-by-step explanation:

Line is passing through (0,1) and (4,-2)

\(\Delta y=-2-1=-3\\\\\Delta x=4-0=4\\\\Slope=\dfrac{-3}{4}\)

Answer:

Whats wrong??

Step-by-step explanation:

Answer:

you ok ?

Step-by-step explanation:

I dont know what the ......... means

The maximum volume of the cylinder is approximately 1257 cubic centimeters.

The volume V of a right circular cylinder with radius r and height h is given by:

V = πr²h

Substituting the given expressions for the radius and height of the cylinder, we get:

V = πx²(800/πx - x)

Simplifying the expression, we get:

V = 800x - πx³

To find the maximum value of V, we need to find the value of x that maximizes V. We can do this by taking the derivative of V with respect to x, setting it equal to zero, and solving for x:

dV/dx = 800 - 3πx² = 0

3πx² = 800

x² = 800/3π

x ≈ 6.43

Substituting this value of x back into the expression for V, we get:

V ≈ 1257

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x=102°Answer:

x+78=180 supplementary angle

x=180-78=102

Using linear functions, it is found that the airplane and the helicopter will be at the same altitude after 20 minutes.

A linear function is modeled by:

y = mx + b

In which:

The functions that gives the height of the airplane and the helicopter, after t minutes, is given by:

They will be equal when:

A(t) = H(t).

Hence:

30000 - 1000t = 500t

1500t = 30000

t = 30000/1500

t = 20 minutes.

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Answer:

Step-by-step explanation:

1) mean: sum the values and divide for how many they are

Red birds: (87+94+99+85+106+111)/6 = 97

Rockets : (93+107+87+89+108+92)/6 = 96

the Red birds have the higher mean, that is 97

2) median

set the numbers from the least to the greatest and check the number in the middle

Red birds: 85, 87, 94, 99, 106, 111

there are two numbers in the middle, so we have to added up them and divide the result by two

median = (94  + 99)/2 = 96,5

Rockets = 87, 89, 92, 93, 107, 108

median = (92+93)/2 = 92,5

the Red birds have the higher median, that is 96,5

3) range: difference between the highest and the lowest value

Red birds = 111 - 85 = 26

Rockets = 108 - 87 = 21

the Red birds have the highest range, that is 26

Answer:

a

Step-by-step explanation:

the 2 exponents cancel each other out because one is positive and the other is negative, so you are left with 17/16

The number of days took to get the video of Felipe 1024 views is 4.

An equation is the statement of two expressions located on two sides connected with an equal to sign. The two sides of an equation is usually called as left hand side and right hand side.

The relationship between the elapsed time in days, d, since the video was uploaded and the total number of views, v, that the video received is modeled by the equation,

v = 4^(1.25d)

We have to find d when v = 1024

1024 = 4^(1.25d)

We have the rule for exponents aᵇⁿ = (aᵇ)ⁿ

1024 = \((4^{1.25} )^d\)

1024 = (5.6569)^d

Taking logarithms on both sides,

㏒ (1024) = ㏒ [(5.6569)^d]

We have the exponent rule for logarithm, ㏒ (aᵇ) = b ㏒ (a)

㏒ (1024) = d ㏒ (5.6569)

d = ㏒ (1024) / ㏒ (5.6569)

d = 4

Hence it took 4 days to for Felipe's video to get 1024 views.

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Answer:

Chain rule: \(\frac{d}{dx} [f[u(x)]] = \frac{df}{du} \cdot \frac{du}{dx}\), u-Substitution: \(f\left[u(x)\right] = \int {\frac{df }{du} } \, du\)

Step-by-step explanation:

Differentiation and integration are reciprocal to each other. The chain rule indicate that a composite function must be differentiated, describing an inductive approach, whereas u-substitution allows integration by simplifying the expression in a deductive manner. That is:

\(\frac{d}{dx} [f[u(x)]] = \frac{df}{du} \cdot \frac{du}{dx}\)

Let integrate both sides in terms of x:

\(f[u(x)] = \int {\frac{df}{du} \frac{du}{dx} } \, dx\)

\(f\left[u(x)\right] = \int {\frac{df }{du} } \, du\)

This result indicates that f must be rewritten in terms of u and after that first derivative needs to be found before integration.

Answer:

a. The mean would be 0.067

The standard deviation would be 0.285

b. Would be of 1-e∧-375

c. The probability that both of them will be gone for more than 25 minutes is 1-e∧-187.5

d. The likelihood of at least of one of the taxis returning within 25 is 1-e∧-375

Step-by-step explanation:

a. According to the given data the mean and the standard deviation would be as follows:

mean=1/β=1/15=0.0666=0.067

standard deviation=√1/15=√0.067=0.285

b. To calculate How likely is it for a particular trip to take more than 25 minutes we would calculate the following:

p(x>25)=1-p(x≤25)

since f(x)=p(x≤x)=1-e∧-βx

p(x>25)=1-p(x≤25)=1-e∧-15x25=1-e∧-375

c. p(x>25/2)=1-p(x≤25/2)=1-e∧-15x25/2=1-e∧-187.5

d. p(x≥25)=1-e∧-15x25=1-e∧-375

The 6th Term is 96.

To find the nth term of the series 3, 6, 12, 24, 48, we need to find the common ratio first. We can find it by dividing any term by its preceding term. For example,6/3=212/6=324/12=248/24=2So, the common ratio is 2.

Now, we can use the formula for the nth term of a geometric sequence:

an = a1 * r^(n-1)where an is the nth term, a1 is the first term, r is the common ratio, and n is the number of terms we want to find.

Let's substitute the known values in the formula:a1 = 3 (the first term)r = 2 (the common ratio)an = a1 * r^(n-1)an = 3 * 2^(n-1)Therefore, the nth term of the series 3, 6, 12, 24, 48 is 3 * 2^(n-1).

We can use this formula to find any term we want. For example, if we want to find the 6th term, we can substitute n = 6:an = 3 * 2^(6-1)an = 3 * 2^5an = 96

So, the 6th term is 96.

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Answer:

choose 1 ball from a bag with 1 red ball and 4 white balls

Step-by-step explanation:

Answer:

1/15 or 0.0667

Step-by-step explanation:

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bardai

chatgpt

red marble on the first draw is 2/6, or 1/3

red marble on the second draw, given that the first marble was red, is 1/5

(1/3) * (1/5) = 1/15

Answer:

(2+n)-3

That's how you write if that is what you want.

1 Fristly you do M1=M2 as it is parallel

You get M2 then use it to find equation

note that y= -1.5

2 for second question you find coefficient of X and y you get M1 then find equation of given line easily.

#note equaction of straight line passing through two points is y-y1=m(x-x1)

Answer:

Step-by-step explanation:

60 because if the store clerk needs three times that to buy the idem 3x6 you need 60dollars for the game

Answer:

A

Step-by-step explanation:

Answer:

Easy B                  

Step-by-step explanation: srry If It's Wrong

Answer:

1) The null and alternative hypotheses.

H0: Hours of sleep per night is independent of age.

Ha: Hours of sleep per night is not independent of age.

Test Statistics χ²=4.009

The corresponding p-value for the test at χ²= 4.009 is 0.2604

Step-by-step explanation:

1) The null and alternative hypotheses.

H0: Hours of sleep per night is independent of age.

Ha: Hours of sleep per night is not independent of age.

2) The data is

                              ≤ 39           ≥ 40              Total

6 hours                    36               34                70

6.9-7 hours              60              57               117

7- 7.9 hours              79              77               156

8 hours or more       65              92              157

Total                       240           260             500

3) The expected values are computed as follows

260×70/500=36.4

240×117/500 =56.16

260×117/500 =60.84

240×156/500 =74.88

260×156/500 =81.12

240×157/500=75.36

260×157/500 =81.64

4) The squared distances are calculated as

{(36 - 33.6)^2}/{ 33.6} = 0.171

{(34 - 36.4)^2}{ 36.4} = 0.158

{(60 - 56.16)^2}/{ 56.16} = 0.263

{(57 - 60.84)^2}/{ 60.84} = 0.242

{(79 - 74.88)^2}/{ 74.88} = 0.227

{(77 - 81.12)^2}/{ 81.12} = 0.209

{(65 - 75.36)^2}/{ 75.36} = 1.424

{(92 - 81.64)^2}{ 81.64} = 1.315

5) The significance level is set at α=0.05 for df = (4 - 1) (2 - 1) =3

degrees of freedom.

6) The critical region for this test is χ² = χ² >7.815

7) Test Statistics

χ²=i=∑(O ij −Eij )2/Eij

=0.171+0.263+0.227+1.424+0.158+0.242+0.209+1.315

= 4.009

8) Conclusion

As the calculated value χ² =4.009 does not lie in the critical region ≤χ² =7.815, null hypothesis is not rejected.

Therefore, we conclude that there is not enough evidence to accept the alternate hypothesis , at the α=0.05 significance level.

The p-value for the test at χ²= 4.009 is 0.2604

Given:

Length of a rectangle = (3x-3)

Width of the rectangle = (2x+1)

To find:

The area of the rectangle.

Solution:

We know that, area of a rectangle is

\(Area=Length \times width\)

Putting Length = (3x-3) and width = (2x+1), we get

\(Area=(3x-3)\times (2x+1)\)

\(Area=(3x-3)(2x+1)\)

Using distributive property, we get

\(Area=3x(2x+1)-3(2x+1)\)

\(Area=3x(2x)+3x(1)-3(2x)-3(1)\)

\(Area=6x^2+3x-6x-3\)

\(Area=6x^2-3x-3\)

Therefore, the area of rectangle is \((3x-3)(2x+1)\equiv 6x^2-3x-3\) sq. units.

Answer:

I really think that (3 , -3 , -3) is the answer but I could be wrong.

Step-by-step explanation:

I'm taking the quiz right now and from the graph it looks like point E is in the position (3 , -3 , -3).

Once again, sorry if I'm wrong.

Answer:

$2852

Step-by-step explanation:

2,700 (1 + 0.011/1) ^ 1 (5)

2,700 (1.011)^5

=$2852

Answer:

y =  +- 58°  +- 360° k

Step-by-step explanation:

Answer:

According to this diagram, the tan 62 degrees, is the ratio of the opposite side and the adjacent side of the triangle which is equal to 1.875 units.

What is the right angle triangle property?

In a right-angle triangle ratio of the opposite side to the adjacent side is equal to the tangent angle between the adjacent side and the hypotenuse side.

Here, (b) is the opposite side, (a) is the adjacent side, and is the angle made between the adjacent side and the hypotenuse side.

The sides of the triangle are 8, 15, and 17 units long and the measure of the angles of the right angle triangle is 62, 90, and 28 degrees.

Re-draw, the  Here in the given triangle, the base is the side which is 15 units long. Re-draw the triangle as shown below.

In the attached triangle below, the opposite side of the triangle is 15 units and the adjacent side of the triangle is 8 units long.

The angle between the opposite side and the adjacent side is 62 degrees. Thus using the right angle triangle property as,

Thus, according to this diagram, the tan 62 degrees, is the ratio of the opposite side and the adjacent side of the triangle which is equal to 1.875 units.

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The simplified expression is  d/ c⁴.

To simplify the expression cd³ c⁻⁵ x d⁻², we can combine the variables with the same base (c and d) by adding their exponents:

Using the property of exponents as

When multiplying two exponential expressions with the same base, you can add the exponents. This can be expressed as follows:

aᵇ x aⁿ= aᵇ⁺ⁿ

When dividing two exponential expressions with the same base, you can subtract the exponents. This can be expressed as follows:

aᵇ / aⁿ= aᵇ⁻ⁿ

So, cd³ c⁻⁵ x d⁻²

= c¹⁻⁵ x d³⁻²

= c⁻⁴ x d¹

= dc⁻⁴

Again from the property of exponents

a⁻ᵇ = 1/aᵇ

So,  dc⁻⁴

= d/ c⁴

Therefore, the simplified expression is  d/ c⁴.

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The ratios that have the unit rate 3 are;

1). 2 1/2 cups; 5/6 cups.

3). 15/2 cups; 2 1/2 cup.

6). 2 cups; 2/3 cup.

The division in mathematics is one kind of operation. In this process, we split the expressions or numbers into the same number of parts.

Given:

A unit rate of 3.

That means the quotient of the total amount of cups by the amount in a cup.

From the given choices;

1). 2 1/2 cups; 5/6 cups.

The unit rate = 5/2 x 6/5 = 3

2). 3 3/4 cups; 2 cup.

The unit rate = 15/4 x 1/2 = 15/8

3). 15/2 cups; 2 1/2 cup.

The unit rate = 15/2 x 2/5 = 3

6). 2 cups; 2/3 cup.

The unit rate = 3.

Therefore, all the required values are given above.

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