someone please help me with this​

Someone Please Help Me With This

Answers

Answer 1

Answer:

Step-by-step explanation:

Comment

Given the choices in the comments below the question all of those ratios are valid. One like AC/CD gives a ratio under 1. One like CE/BC gives a ratio over one. But they all are correct.


Related Questions

6 million gallons of water flow over the Hawaiian waterfall daily, continuous or discrete?

Answers

Answer:

Continuous

Step-by-step explanation:

If its flowing over daily its continuous.

2/7 (14 h + 7/2) - 3h = 9
PLEASE HELP ME.. I HAVE THIS DUE TODAY

Answers

the answer is h=8 hopefully i’m right

how long does it take lena to compress the accordion completely and then stretch it back out to a length of 50\text{ cm}50 cm50, start text, space, c, m, end text?

Answers

It takes Lena to compress the accordion completely and then stretch it back out to a length of 50cm.

It takes Lena 4.1 seconds to compress the accordion completely and then stretch it back out to a length  of 50cm.

I am assuming the function without a T: \(A(t) = 25_{cos}(t)+65\)

The function is graphed in the figure attached, and the blue line is \(y = 50cm\).

From the graph we see that the accordion is completely stretched  (has minimum length) at \(t = \pi\) seconds, and stretches back  to 50cm at \(t = 4.069s\); therefore, it takes Lena 4.069 seconds to stretch the accordion back again, which to the nearest tenth of a second is  4.1s.

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Answer: 1.3s

Step-by-step explanation:

If you're solving for  \(A(t)=25cos( \pi t)+65\\\)

Which one is the answer? Please be honest this is for my friend.

Which one is the answer? Please be honest this is for my friend.

Answers

Answer:

A 0.4kg object rolling at 2 m/s that's d right answer

Answer:

A 0.4 kg object moving at 4 m.

Step-by-step explanation:

The heavier the object is, the faster it goes. Also the faster is goes and the heavier it is, the more momentum it has.

How much do you pay (incl. tax) for a Blu-ray player
regular price of $150 with a 25% discount and a sales tax
of 8%?

Answers

First, we need to calculate the discount amount:

Discount = 25% of $150 = 0.25 x $150 = $37.50

The sale price after the discount is the regular price minus the discount:

Sale price = $150 - $37.50 = $112.50

Next, we need to calculate the sales tax on the sale price:

Sales tax = 8% of $112.50 = 0.08 x $112.50 = $9

Finally, we can calculate the total cost including tax:

Total cost = Sale price + Sales tax = $112.50 + $9 = $121.50

Therefore, the total cost including tax for the Blu-ray player is $121.50.

Use the definition of Taylor series to find the Taylor series (centered at c) for the function. f(x) = 7 sin x, c = pi/4 f(x) = sigma^infinity _n=0

Answers

The Taylor series of a function f(x) centered at c is given by:

f(x) = f(c) + f'(c)(x-c)/1! + f''(c)(x-c)^2/2! + f'''(c)(x-c)^3/3! + ...

where f'(c), f''(c), f'''(c), ... denote the first, second, third, and higher derivatives of f evaluated at x=c.

In this case, we have:

f(x) = 7 sin x, c = pi/4

f(c) = 7 sin(pi/4) = 7/sqrt(2)

f'(x) = 7 cos x

f'(c) = 7 cos(pi/4) = 7/sqrt(2)

f''(x) = -7 sin x

f''(c) = -7 sin(pi/4) = -7/sqrt(2)

f'''(x) = -7 cos x

f'''(c) = -7 cos(pi/4) = -7/sqrt(2)

And so on. Plugging these values into the Taylor series formula, we get:

f(x) = 7/sqrt(2) + (7/sqrt(2))(x-pi/4)/1! - (7/sqrt(2))(x-pi/4)^2/2! - (7/sqrt(2))(x-pi/4)^3/3! + ...

Simplifying this expression, we get:

f(x) = 7/sqrt(2) + 7/sqrt(2) * (x-pi/4) - 49/20 * (x-pi/4)^2 + 343/720 * (x-pi/4)^3 - ...

Therefore, the Taylor series of f(x) centered at c=pi/4 is:

f(x) = 7/sqrt(2) + 7/sqrt(2) * (x-pi/4) - 49/20 * (x-pi/4)^2 + 343/720 * (x-pi/4)^3 - ...

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3

Emily trick or treated on Halloween eve.

She visited 12 houses. From each house,

she received 9 treats. How many total

treats did she receive?

140 stickers were shared equally among 7

children. How many stickers does each

child get?

Didi sold 88 pumpkins. Each pumpkin cost

$8. How much money did she earn from

selling all the pumpkins?

4

Aly bought some yarn at the craft store.

She used 65 inches for her math project

and had 85 left. How many inches of yard

did she have to begin with?

Answers

Emily visited 12 houses on Halloween eve and received 9 treats from each house. Therefore, the total number of treats she received is:12 x 9 = 108 treats. To determine how many inches of yarn she had to begin with, we can add the amount she used to the amount she had left:

65 + 85 = 150 inches of yarn to begin with.

140 stickers were shared equally among 7 children. To find out how many stickers each child gets, we can divide the total number of stickers by the number of children:

140 ÷ 7 = 20 stickers per child.

Didi sold 88 pumpkins at a cost of $8 each. To calculate the total amount of money she earned from selling all the pumpkins, we can multiply the number of pumpkins sold by the cost per pumpkin:

88 x $8 = $704 earned.

Aly used 65 inches of yarn for her math project and had 85 inches left. To determine how many inches of yarn she had to begin with, we can add the amount she used to the amount she had left:

65 + 85 = 150 inches of yarn to begin with.

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Simplify : 5c + 3 – 12c – 8 show steps

Answers

Answer:

-7c - 5 can also be written  -5 - 7c

Step-by-step explanation:

5c + 3 - 12c - 8

1. subtract 3 and 8

5c - 12c - 5

2. subtract 5c and 12c

-7c - 5

is -24 greater than -24.0

Answers

Answer:

yes

Step-by-step explanation:

-24 is. a whole number so it would be greater

y = -4x – 3
y
y = -2x + 1

X=
Y=

Answers

Answer:

x=7x

y=1x

Step-by-step explanation:

4 * x=4x +3=7x

-2 * x =-2x+1=1x

Answer:

Step-by-step explanation:

-4x - 3 = -2x + 1

-2x = 4

x = -2

y = -2(-2) + 1

y = 4 + 1

y = 5

(-2, 5)

NEED HELP!

The number of minutes it takes to shovel the sidewalk' varies directly to the length
of sidewalk. If it takes 20 minutes to shovel a sidewalk that's 64 feet in length,
how long would you predict it would take to shovel one that's 96 feet long?

Answers

Answer:

30 minutes

Step-by-step explanation:

20 * 96 / 64 = 30

NEED HELP! The number of minutes it takes to shovel the sidewalk' varies directly to the lengthof sidewalk.

A bicycle repair shop offers two service packages to its customers: a tune up or a complete overhaul, which includes the tune up plus some additional services. All bicycles go through wheel balancing before leaving the shop. The repair shop is open 60 hours per week and receives an average of 180 bicycles each week. The shop employs three "tune up" technicians, one "additional services" technician, and two wheel balancing" specialists. Past data indicates that 25% of customers opt for the "additional services" option. Wheel Tune Up Balancing T = 75 T= 20 minutes minutes Additional Services T = 72 minutes a) Create a demand matrix for this process b) What will be the daily capacity at each stage of the process? c) Find the implied utilizations for each stage of the process. d) What will be the weekly capacity of the process? e) Is the flow rate of this process capacity-constrained or demand-constrained?

Answers

A bicycle repair shop that offers two service packages: a tune-up and a complete overhaul.

The shop operates for 60 hours per week and receives an average of 180 bicycles each week. To analyze the capacity and utilization of the process, we need to consider the time taken at each stage and the demand for each service option. We'll break down the problem into multiple parts and provide a detailed explanation using mathematical terms.

a) Creating the Demand Matrix:

To create a demand matrix, we need to determine the number of bicycles going through each stage of the process. Let's denote the demand for tune-up as T and the demand for additional services as A.

Given that the average number of bicycles received per week is 180 and 25% of customers opt for additional services, we can calculate the demands as follows:

Demand for tune-up (T) = Total demand - Demand for additional services

T = 180 - (0.25 * 180)

T = 180 - 45

T = 135

Demand for additional services (A) = 0.25 * Total demand

A = 0.25 * 180

A = 45

Now, we can create a demand matrix based on the demand for each service option:

Demand Matrix:

Tune-up Additional Services Wheel Balancing

Tune-up  [135  0  0]

Additional [0  45  0]

Services

Total [ 135  45  0 ]

The demand matrix shows the number of bicycles flowing through each stage of the process.

b) Daily Capacity at Each Stage:

To calculate the daily capacity at each stage, we need to consider the time taken for each service option. Given that the shop operates for 60 hours per week, we can calculate the daily capacity at each stage:

Tune-up technician time per bicycle (\(T_{tuneup}\)) = 75 minutes

Additional services technician time per bicycle (\(T_{additional}\)) = 72 minutes

Wheel balancing specialist time per bicycle (\(T_{balancing}\)) = 20 minutes

Daily Capacity (C) = (60 hours * 60 minutes) / (\(T_{tuneup}\) + \(T_{additional}\) + \(T_{balancing}\))

Substituting the given values:

C = (60 * 60) / (75 + 72 + 20)

C = 21600 / 167

C ≈ 129.34 bicycles per day

Therefore, the daily capacity at each stage of the process is as follows:

Tune-up: 129 bicycles per day

Additional Services: 129 bicycles per day

Wheel Balancing: 129 bicycles per day

c) Implied Utilizations:

To find the implied utilizations, we need to compare the demand and the capacity at each stage of the process. Utilization can be calculated as the demand divided by the capacity.

Implied Utilization (U) = Demand / Daily Capacity

For the Tune-up stage:

\(U_{tuneup}\) = 135 / 129 ≈ 1.05

For the Additional Services stage:

\(U_{additional}\) = 45 / 129 ≈ 0.35

For the Wheel Balancing stage:

\(U_{balancing}\) = 0 / 129 = 0

The implied utilizations show how efficiently each stage of the process is being utilized. Utilization values greater than 1 indicate that the stage is operating beyond its capacity.

d) Weekly Capacity of the Process:

To calculate the weekly capacity of the process, we multiply the daily capacity by the number of days the shop is open per week:

Weekly Capacity = Daily Capacity * Number of days shop is open per week

Given that the shop is open for 60 hours per week, the number of days the shop is open per week can be calculated as follows:

Number of days shop is open per week = 60 hours / 24 hours per day = 2.5 days

Therefore, the weekly capacity of the process is:

Weekly Capacity = Daily Capacity * Number of days shop is open per week

Weekly Capacity = 129 bicycles per day * 2.5 days

Weekly Capacity = 322.5 bicycles per week

e) Flow Rate and Constraint Analysis:

To determine if the flow rate of the process is capacity-constrained or demand-constrained, we compare the weekly capacity to the demand for each service option.

Demand for Tune-up (\(T_{demand}\)) = 135 bicycles per week

Demand for Additional Services (\(A_{demand}\)) = 45 bicycles per week

Comparing the demands with the weekly capacity:

\(T_{demand}\) < Weekly Capacity (135 < 322.5)

\(A_{demand}\) < Weekly Capacity (45 < 322.5)

Since both the demands for tune-up and additional services are less than the weekly capacity, the flow rate of the process is demand-constrained. This means the shop has the capacity to handle the current demand without operating beyond its limits.

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If each movie takes 1 2/5 hours to download,and you download for 5 1/4 hours,how many movies did you download

Answers

Answer:

Step-by-step explanation:

3


Which graphs represents the compound inequality x<5/4 or x> 5/2?

Which graphs represents the compound inequality x&lt;5/4 or x&gt; 5/2?

Answers

Answer: B

Step-by-step explanation:

Looking at the inequalities, both are ≤ and ≥. That means the x is not only greater or less than, but they are also equal to the number. With this fact, we can eliminate D since D has open circles.

Orr problem has 2 separate inequalities. Both are doing in different directions, hence the ≤ and ≥. This makes B automatically our answer. We can check by graphing each of the inequalities on the number line.

x≤5/4

We know that 5/4=1.25. We start at 1.25. Then the inequality tells less than or equal to. Since it is less than, we would travel to the left, where the numbers get smaller and smaller.

x≤5/2

5/2=2.5 We start at 2.5. The inequality tells us greater than or equal to. This means we have to travel to the right, where the number gets larger and larger than 2.5.

If m∠1 = 110 degrees, what is m? BRC ?
180 degrees
70 degrees
110 degrees

If m1 = 110 degrees, what is m? BRC ?180 degrees70 degrees110 degrees

Answers

180-110=70
answer is 70

another name for result variables is independent variables.

Answers

Given statement 'another name for result variables is independent variables.' is False

In this question, we have been given a statement 'another name for result variables is independent variables.'

We need to state whether the given statement is true or false.

We know that an independent variables are also called as an explanatory variables as they explain an event or outcome

the predictor variables as they can be used to predict the value of a dependent variable

the input variable

On the other hand the dependent variables are also called response variable, output variable or result variable.

This means, the another name for result variables is dependent variables.

Therefore, given statement is False.

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Write a recursive formula for the arithmetic sequence:

7,4,1,-2

Answers

a1 = 7
a(sub)n = a(sub)n-1 - 3

(sub) indicates the values touching the parenthesis are written as a subscript.

The above would be the recursive formula as you are taking the previous number and subtracting 3 to get the next number in the sequence.

Answer:

N - 3

Step-by-step explanation:

It is a series of -3 so:

7 -3 = 4

4 - 3 = 1

1 - 3 = -2

So:

N-3

where N is the present value in the sequence.

URGENT!!!!! I NEED HELP AYUDA

URGENT!!!!! I NEED HELP AYUDA

Answers

Answer:

4 creo q es 4 sino pues nimodo

4 sorry if I’m wrong

A cone with a height of 4 in, and a diameter of 6 in. Find the surface area and Volume​

Answers

if its diameter is 6, then its radius is half that or 3.

\(\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h }{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=3\\ h=4 \end{cases}\implies V=\cfrac{\pi (3)^2(4)}{3}\implies V=12\pi \\\\[-0.35em] ~\dotfill\\\\ \textit{surface area of a cone}\\\\ SA=\pi r\sqrt{r^2+h^2}+\pi r^2\qquad \implies \qquad SA=\pi (3)\sqrt{3^2+4^2}+\pi (3)^2 \\\\\\ 3\pi \sqrt{25}+9\pi \implies 3\pi (5)+9\pi \implies 15\pi +9\pi \implies 24\pi\)

-7 2/3 + -5 1/2 + 8 3/4

Answers

-So, We have the following equation...  \(>See \;Below<\)

\(-7 \frac{2}{3} + -5 \frac{1}{2} + 8 \frac{3}{4}\)

-First, we need to add \(-7\frac{2}{3}\) and, \(-5\frac{1}{2}\).   \(>See\;Below<\)

\(-7 \frac{2}{3} + -5 \frac{1}{2} = 13.1\)

-Next, add \(13.1\) and \(8\frac{3}{4}\).   \(>See\;Below<\)

\(13.1+8\frac{3}{4} =21.85\)

-So, your final answer is \(21.85\)!

In fraction form it is \(21\frac{17}{20}\).

Changed to a improper fraction it is \(\frac{437}{20}\)!

A quantity of bacteria doubles every hour. If you start with 100 bacteria cells, the number of cells you will have at any time can be found by the formula c = 100(2)x. How many hours will it take to have 1,000,000 bacteria? Round to the nearest whole number.

A quantity of bacteria doubles every hour. If you start with 100 bacteria cells, the number of cells

Answers

Answer:

10,000 hours

Step-by-step explanation:

10,000 x 100 = 1,000,000

Hope this helps!

6/15=3/x.

I'm going insane

Answers

Answer:

x = 7.5

Step-by-step explanation:

\( \frac{6}{15} = \frac{3}{x} \)

cross multiply expressions

6x = 45 divide both sides by 6

x = 7.5

Grover Corporation purchased a truck at the beginning of 2014 for $93,600. The truck is estimated to have a salvage value of $3,600 and a useful life of 120,000 miles. It was driven 21,000 miles in 2014 and 29,000 miles in 2015. What is the depreciation expense for 2014?

Answers

The depreciation expense for 2014 is $15,750.

Given,The cost of the truck = $93,600 The salvage value of the truck = $3,600The useful life of the truck = 120,000 milesThe total miles driven in 2014 = 21,000 miles

Therefore, the remaining miles are = 120,000 - 21,000 = 99,000 miles Let's calculate the depreciation expense for 2014 using the straight-line method.

Depreciation expense per mile = (Cost of the truck - Salvage value) / Useful life

Depreciation expense per mile = ($93,600 - $3,600) / 120,000= $90,000 / 120,000= $0.75 per mile

Depreciation expense for 2014 = Depreciation expense per mile × Total miles driven in 2014= $0.75 × 21,000

= $15,750

Thus, the depreciation expense for 2014 is $15,750.

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y= 5x – 7 and -3x – 2y= -12
Solve by substitution

Answers

Answer: In point form it is (2,3)

Step-by-step explanation: Hope I helped

Answer:

(2,3)

Step-by-step explanation:

there you go !!

What about psychology?

Answers

Psychology is the scientific study of mind and behavior.

innahbee (. ❛ ᴗ ❛.)

please help solve i don’t understand the steps

10p-14=9p+17

Answers

Answer:if your lookin for what p = then here

Step-by-step explanation:

10p−14=9p+17

Subtract 9p from both sides.

10p−14−9p=17

Combine 10p and −9p to get p.

p−14=17

Add 14 to both sides.

p=17+14

Add 17 and 14 to get 31.

p=31

10p+9p=17+14
19p=31
P=31/19
I hope i answered ur question

4. given is the equality a b c d x y i 0 = e f z w . express x, y, z, w in terms of a, b, c, d, e, f. you may assume that all matrices are square and invertible

Answers

The solutions for x, y, z, and w in terms of a, b, c, d, e, and f are: x y = - (a b c d)^-1 (e f z w), z w = - (a b c d)^-1 (e f x y)

To solve for x, y, z, and w in terms of a, b, c, d, e, and f given the equality a b c d x y i 0 = e f z w,

we can rearrange the equation as follows: x y i 0 = - (a b c d)^-1 (e f z w).

Then we can solve for x and y by multiplying both sides by the matrix

(1 0 0 0; 0 1 0 0; 0 0 0 1; 0 0 0 1)

to obtain x y = - (a b c d)^-1 (e f z w).

Finally, we can solve for z and w by multiplying both sides by the matrix (

0 0 1 0; 0 0 0 1; 1 0 0 0; 0 1 0 0) to obtain z w = - (a b c d)^-1 (e f x y).

Thus, the solutions for x, y, z, and w in terms of a, b, c, d, e, and f are:

x y = - (a b c d)^-1 (e f z w)

z w = - (a b c d)^-1 (e f x y)

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Aggregate Demand (AD)=C+I+G+ (X-M). X = O a. X factor b. exchange c. exports

Answers

Aggregate Demand (AD) is a macroeconomic concept that represents the total demand for goods and services in an economy. The X factor in the AD equation represents exports, which are an important part of the economy.

AD is calculated by adding up the individual components of demand, which include consumer spending (C), investment spending (I), government spending (G), and net exports (X-M). The X-M component represents the difference between exports (X) and imports (M).

The X component in the equation represents exports, which are the goods and services produced domestically and sold to foreign countries. Exports are an important part of the economy as they generate income and create jobs. The M component in the equation represents imports, which are the goods and services purchased from foreign countries and consumed domestically. Imports can have a negative impact on the economy as they represent a drain on resources and can lead to a trade deficit. The X factor in the equation is used to represent exports because it is a variable that can change over time. Factors that can affect exports include exchange rates, tariffs, and global demand for certain products. If the exchange rate between two currencies changes, it can make exports more or less expensive for foreign buyers, which can affect the level of exports. Tariffs are taxes on imports, which can make domestic products more competitive in foreign markets.

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the exact volume is what?

the exact volume is what?

Answers

Answer:

7680πyd³

Step-by-step explanation:

The formula to calculate the volume of the cylinder is πr² h

Here radius (r) = 16 yd

height (h) = 30 yd

Now

the volume is

= πr²h

= 16² * 30 * π

= 7680 π yd³

Hope it will help :)❤

7680 pie yd^3 step-by-step explanation:

help please! (no links)

help please! (no links)

Answers

EZ is 24.5
Happy is 25
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