Help me please the questions are in the picture!!! THX MARK U AS BRAINIEST

The students need to earn $182 per month in order to accomplish their goals.

Division is the process of dividing a number by a given number.

Given that, the total cost for the class to go to the observatory is $910 and the students need money in 5 months.

To collect $910 in 5 months, students must earn $910/5 per month.

910/5

= 182

Hence, the students need to earn $182 per month in order to accomplish their goals.

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The equation for a transformed cosine wave with the following properties is  y = 3cos2x + 4

An equation for a transformed cosine wave with the following properties can be written in the form:

y = A× cos(B(x - C)) + D

Where:

A = amplitude (positive value)

C = phase shift (horizontal shift of the wave)

D = vertical shift (shift of the wave up or down)

Here we have

Amplitude = 3

Period = π

Horizontal shift = None

Vertical shift  = 4 units  up  

As we know Period P = 2π/B

From the data => 2π/B = π

=> B = 2  

Hence,

Equation for a transformed cosine wave, y = 3 × cos(2(x - 0)) + 4

=> y = 3 × cos(2(x )) + 4

=> y = 3cos2x + 4  

Therefore,

The equation for a transformed cosine wave with the following properties is  y = 3cos2x + 4

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Answer:

It's quite simple, for example, 1/2 would be the same as 50%, 1/3rd would be the same as 33.333333333%, and 1/4th would be the same as 25%

dived the numerator by the denominator.

Answer:

hi Im Donald J Trump and i approve this message

Step-by-step explanation:

joe biden

Answer:

30

Step-by-step explanation:

120÷4=30 (4 because a square has 4 sides)

and you can check it by doing 4×30=120

hope this helped

Answer:

(1)

Step-by-step explanation:

11111111111111111111111

Answer:

23.75+0.35x=Y

Step-by-step explanation:

It starts at $23.75. $0.35 is per mile so that means it will have an x. Add the two up and it is y.

The values of the angles given are: 0,90,180,240,270,360,420,480,540,600,630,660,720 and

he sine of an angle is the trigonometric ratio of the opposite side to the hypotenuse of a right triangle containing that angle.  It is defined as the length of the opposite side divided by the length of the hypotenuse

The given angles are: 0,30,45,90,120,135,180,210,225,240,270,300,315,330,360

2∅  2*∅ = 0, 90,180,240,270,360,420,480,540,600,630,660,720

sin 2∅ = sin0 = 0; Sin90=1;  sin180=0; sin240= -0.8660; sin270 = -1;

Each angle is multiplied by sine sine360 =1; sin420 = 0.8660; sin480= 0.9848; sin540=1; sin600=-0.8660; sin630=-1; sin660=0.8660; sin720= 0.9397

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Answer:

-8

Step-by-step explanation:

2x/7 =

2(12)/-3 =

24/-3 =

-8

Answer:

-8

Explanation:

Given expression:

\(\rightarrow \sf \dfrac{2x}{y}\)

when  x = 12, y = -3

Substitute values inside expression:

\(\rightarrow \sf \dfrac{2(12)}{-3}\)

multiply

\(\rightarrow \sf \dfrac{24}{-3}\)

simplify

\(\rightarrow \sf -8\)

Answer:

volume=60cm3, surface area=96cm2

Step-by-step explanation:

volume=1/3×(6×6)×5

=60cm3

surface area= 4(1/2×6×5)+(6×6)

=96cm2

The given decimal in fraction as 1181/20.

Steps for conversion:

The given decimal number is 59.05

Here, multiply 100 to both the numerator and denominator of the decimal, that is

59.05/1 ×100/100

= 5905/100

= 1181/20

Therefore, the fraction is 1181/20.

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Answer:

x=20, y=100

Step-by-step explanation:

3x+2x=7x-40

5x=7x-40

2x=40

x=20

7x-40=y

140-40=y

100=y

y=100

According to the exterior angle theorem, the two remote interior angles are equal to the exterior angle. This is why we set 3x+2x equal to 7x-40.

According to the vertical angles theorem, two angles that are opposite and formed by two intersecting straight lines are equal. This is why we set 7x-40 equal to y.

Because we already knew that x was 20, we could put it into our equation. (7*20)-40=y.

Hope this helped! :D

Answer: To place √31 on the number line, we first need to find its approximate value.

√31 is between 5 and 6 since 5²=25 and 6²=36. To find a more precise value, we can use a calculator or estimate using long division.

Using a calculator, we get:

√31 ≈ 5.56776436

Rounding to tenths, we get:

√31 ≈ 5.6

To place 5.6 on the number line, we can mark the point between 5.5 and 5.7.

Here's a rough sketch of what it might look like:

         0         1         2         3         4         5         6         7         8         9

         |         |         |         |         |         |         |         |         |         |

         |         |         |         |         |         |         |         |         |         |

         |         |         |         |         |         |         |         |         |         |

         |         |         |         |         |         |         |         |         |         |

         |         |         |         |         |         |         |         |         |         |

         |         |         |         |         |         |         |         |         |         |

Step-by-step explanation:

Answer:

X = 14.48528137

Step-by-step explanation:

Answer: 2

Step-by-step explanation:

Answer:

I think it's 2kg

Step-by-step explanation:

13/5 ÷ 13/10

Reciprocate

13/5 × 10/13

= 26/13

=2kg

Answer:

66

Step-by-step explanation:

i just did this assignment and it said this was the right answer

The correct answer is A) The recipe will need 16 cups of sauce and three and a half teaspoons of oregano for 8 servings.

To determine the amount of sauce and oregano needed to make 8 servings, we can use the ratio of sauce to oregano from the table.

According to the table, for 3 servings, 6 cups of sauce are used along with 1 & 1/2 teaspoons of oregano. We need to find the ratio of sauce to oregano to scale it up for 8 servings.

Ratio of sauce to oregano:

6 cups of sauce / 1 & 1/2 teaspoons of oregano = 6/1.5 = 4 cups of sauce per teaspoon of oregano

Now, for 8 servings, we need to multiply the ratio by the number of teaspoons of oregano required:

8 servings * 1 teaspoon of oregano = 8 teaspoons of oregano

Therefore, for 8 servings, we would need:

8 teaspoons of oregano * 4 cups of sauce per teaspoon of oregano = 32 cups of sauce

Therefore, the correct answer is A) The recipe will need 16 cups of sauce and three and a half teaspoons of oregano for 8 servings.

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Answer: 3(t-y)

Step-by-step explanation:

The term difference refers to subtraction, so that means t-y in parenthesis since you would have to solve that first.

Then after you'd solve that, then you would multiply it by 3

Hope I helped :)

Answer:

b) local minimum at \(x=\frac{1}{e}\)

c) Graph of the function is convex

Step-by-step explanation:

We are told that \(f'(\frac{1}{e})=0\), which implies there is a turning/stationary point at \(x=\frac{1}{e}\).

Substituting \(x=\frac{1}{e}\) into \(f''(x)\) will tell us if the turning point is a minimum or a maximum:

\(f''(\frac{1}{e})=\frac{1}{\frac{1}{e} } =e>0 \implies \textsf{local minimum}\)

Therefore, statement a) is false and statement b) is true.

If the function has a minimum turning point, then this implies that the curve is convex.  Therefore, statement c) is true.

Extremum = local min and max points.

We have already established that there is a local minimum at \(x=\frac{1}{e}\), therefore statement d) is false.

I know this is not needed for this question, but here are the workings to detemine the equation of the function (I've also attached a graph).  This supports the answers above.

\(\textsf{if} \ f''(x)=\frac{1}{x}\\\\\implies f'(x)=\int f''(x) \ dx \\\\\implies f'(x)=ln|x|+C\\\)

\(\textsf{if} \ f'(\frac{1}{e})=0\\\\\implies ln|\frac{1}{e}|+C=0\\\\\implies -1+C=0\\\\\implies C=1\\\\\)

\(\implies f'(x)=ln|x|+1\\\)

\(\textsf{if} \ f'(x)=ln|x|+1\\\\\implies f(x)=\int f'(x) \ dx\\\\\implies f(x)=xln(x)-x+x+C\\\\\implies f(x)=xln(x)+C\)

The angle of rotation for the described transformation is

The movement or transformation described is form quadrant 4 to quadrant  2.

The transformation will require 180 degrees transformation.

In this type of transformation, both clockwise and the counter clockwise have similar effects

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Answer:

B. Yes, Every 3 days, sales increase by $1000

Step-by-step explanation:

A proportional relationship exists because the line cuts across the point of origin, (0, 0).

Constant rate of change is that there is an equal sales increase of $1,000 on every 3 days. Thus, on day 3, sales was $1,000. On day 6, sales was $2,000.

This shows proportional increase of $1,000 of sales, every 3 days.

Answer:

25000

Step-by-step explanation:

Answer:i love you

Step-by-step explanation:

Answer:

4. I, II and III

Step-by-step explanation:

Hope it helps you in your learning process.

I.

\(\huge\frac{\sqrt[6]{x}}{\sqrt[3]{x}}\)

\(\huge=\frac{x^{\frac{1}{6}}}{x^{\frac{1}{3}}}\)

\(\huge=\frac{1}{x^{\frac{1}{3}-\frac{1}{6}} }\)

\(\huge=\frac{1}{x^{\frac{2}{6}-\frac{1}{6}} }\)

\(\huge=\frac{1}{x^{\frac{2-1}{6}} }\)

\(\huge=\frac{1}{x^{\frac{1}{6}} }\)

II.

\(\huge\frac{x^{\frac{1}{6}}}{x^{\frac{1}{3}}}\)

\(\huge=\frac{1}{x^{\frac{1}{3}-\frac{1}{6}} }\)

\(\huge=\frac{1}{x^{\frac{2}{6}-\frac{1}{6}} }\)

\(\huge=\frac{1}{x^{\frac{2-1}{6}} }\)

\(\huge=\frac{1}{x^{\frac{1}{6}} }\)

III

\(\huge x^{-\frac{1}{6}}\)

\(\huge=\frac{1}{x^{\frac{1}{6}} }\)

It is not possible for Andrew to have spent 80 minutes running on the treadmill if he spends exactly 120 minutes total at the gym and runs on the treadmill for 60 minutes longer than he does strength training.

what is arthematic equation?

Arithmetic equations are mathematical statements that use numbers and arithmetic operations such as addition, subtraction, multiplication, and division to express the relationship between the quantities involved.

Let's assume that Andrew spends x minutes doing strength training, and according to the problem statement, he spends 60 minutes more running on the treadmill than strength training. So the time he spends running on the treadmill is x + 60.

The total time Andrew spends in the gym is 120 minutes, so:

x + (x + 60) = 120

Simplifying this equation, we get:

2x + 60 = 120

2x = 60

x = 30

Therefore, Andrew spends 30 minutes on strength training and (30 + 60) = 90 minutes on the treadmill.

So, it is not possible for Andrew to have spent 80 minutes running on the treadmill if he spends exactly 120 minutes total at the gym and runs on the treadmill for 60 minutes longer than he does strength training.

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no, it's not possible for andrew to have spent 80 minutes running on the treadmill. if we subtract 80 from 120 (the total) we get 40 which means he had to have spent 40 minutes doing strength training but if we subtract 60 (how many more mins he spent on running than he did strength training) minutes from 80 we get 20. he spent 20 minutes on strength training which adds up to 100 minutes, not 120 minutes.

Part (a)

The raw score is x = 25. The mean and standard deviation are mu = 45 and sigma = 13.8 respectively.

The z score is computed with the formula below

z = (x-mu)/sigma

z = (25-45)/13.8

z = -1.449275 approximately

z = -1.45 is the final answer

========================================================

Part (b)

We want the z score to be larger than 2. So z > 2.

This is the same as wanting the expression (x-mu)/sigma to be larger than 2

(x-mu)/sigma > 2

(x-45)/13.8 > 2

x-45 > 2*13.8

x-45 > 27.6

x > 27.6+45

x > 72.6

If a customer's age is greater than 72.6 years, then this means they have a z score greater than 2. We can say they are more than 2 standard deviations above the mean.

If you need a whole number, then I'd round up to 73. Or you could pick any age larger than this.

Answer:

The second option is your answer

Step-by-step explanation:

The functions are not aligned here.

They are not even ordered in a function.

Your answer is the second option.

Answer: The bottom right graph

Step-by-step explanation: The increase in Y values is not consistent so the non-linear ordered pairs are in the bottom right graph.

Hope this helps!

Answer:

Option A

Step-by-step explanation:

v + w

{-9,2} + {1,-6}

{-9 + 1},{2 + (-6)}

{-8}, {2 - 6}

{-8},{-4}