What is a bar graph ?

Answers

Answer 1

Answer:

a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width.

Step-by-step explanation:

Related Questions

Complete the table to show the interest earned for different savings principals, interest rates, and time periods

Answers

The interest earned increases with higher principal amounts, higher interest rates, and longer time periods.

Principal (P) | Interest Rate (r) | Time Period (t) | Interest Earned (I)

$1,000 | 2% | 1 year | $20

$5,000 | 4% | 2 years | $400

$10,000 | 3.5% | 3 years | $1,050

$2,500 | 1.5% | 6 months | $18.75

$7,000 | 2.25% | 1.5 years | $236.25

To calculate the interest earned (I), we can use the simple interest formula: I = P * r * t.

For the first row, with a principal of $1,000, an interest rate of 2%, and a time period of 1 year, the interest earned is calculated as follows: I = $1,000 * 0.02 * 1 = $20.

For the second row, with a principal of $5,000, an interest rate of 4%, and a time period of 2 years, the interest earned is calculated as follows: I = $5,000 * 0.04 * 2 = $400.

For the third row, with a principal of $10,000, an interest rate of 3.5%, and a time period of 3 years, the interest earned is calculated as follows: I = $10,000 * 0.035 * 3 = $1,050.

For the fourth row, with a principal of $2,500, an interest rate of 1.5%, and a time period of 6 months (0.5 years), the interest earned is calculated as follows: I = $2,500 * 0.015 * 0.5 = $18.75.

For the fifth row, with a principal of $7,000, an interest rate of 2.25%, and a time period of 1.5 years, the interest earned is calculated as follows: I = $7,000 * 0.0225 * 1.5 = $236.25.

These calculations show the interest earned for different savings principals, interest rates, and time periods.

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Funky Fro-Yo
The school jazz band is playing at Sweet Yo's, a frozen yogurt shop. It costs $5 to get in
the door for the event and if you'd like to eat fro-yo to eat while listening to their tunes
you can fill your cup with yogurt and toppings for $0.40 per ounce.

1. Write an equation that gives the total cost in dollars, d, of attending the event if you
order z ounces of fro-yo.
2. If your cup weighs 14 ounces, how much would you pay in total for the evening?

Answers

1) An equation that gives the total cost in dollars, d, of attending the event if you order z ounces of fro-yo is d = $5 + $0.40z

2) 2. If your cup weighs 14 ounces, you would pay $10.6 in total for the evening.

Define equation.

A mathematical equation is a statement that two amounts or values are equal, such as 6 x 4 = 12 x 2. 2. A noun that counts.

Given,

The school jazz band is playing at Sweet Yo's, a frozen yogurt shop. It costs $5 to get in the door for the event and if you'd like to eat fro-yo to eat while listening to their tunes you can fill your cup with yogurt and toppings for $0.40 per ounce.

1) Total cost = d

Total ounces = z

Equation

d = $5 + $0.40z

2) If cup weighs 14 ounces

d = $5 + 0.40(14)

d = $5 + $5.6

Total cost:

d = $10.6

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Mara's healthy bars will be made using six dried fruit packs, how many oatmeal should be taken to make these bars, Ingredients for one bar 3 chocolate bars 2 dried fruit 100g packs 250 grams of oatmeal

Answers

Answer:

1500 grams

Step-by-step explanation:

Find the slope between (-7,16) and (-15,-2)

Answers

Answer:

9/4

Step-by-step explanation:

The slope formula is

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

= ( -2 -16)/( -15 - -7)

= ( -2-16)/( -15+7)

= -18/-8

= 9/4

Let X denote the amount of time for which a book on 2-hour reserve at a college library is checked out by a randomly selected student and suppose that X has density function
kx, 0 if 0 ≤ x ≤ 1 otherwise. f(x)=
a. Find the value of k.
Calculate the following probabilities:
b. P(X ≤ 1), P(0.5 ≤ X ≤ 1.5), and P(1.5 ≤ X)

Answers

a. The value of k is 2

b. The probabilities of the given P are

P(X ≤ 1) = 1.P(0.5 ≤ X ≤ 1.5) = 2.P(1.5 ≤ X) = 0

a. To find the value of k, we need to integrate the density function over its entire range and set it equal to 1, as the total probability must equal 1.

∫f(x) dx = 1

Since the density function is defined as kx for 0 ≤ x ≤ 1, and 0 otherwise, we can write the integral as:

∫kx dx = 1

Integrating kx with respect to x gives:

(k/2) * x^2 = 1

To solve for k, we divide both sides by (1/2):

k * x^2 = 2

Now, we evaluate this equation at x = 1:

k * 1^2 = 2

k = 2

Therefore, the value of k is 2.

b. To calculate the probabilities, we can use the density function and integrate over the given ranges.

P(X ≤ 1) = ∫f(x) dx, where 0 ≤ x ≤ 1

Substituting the density function f(x) = 2x, we have:

P(X ≤ 1) = ∫2x dx, from x = 0 to x = 1

P(X ≤ 1) = [x^2] from 0 to 1

P(X ≤ 1) = 1^2 - 0^2 = 1

Therefore, P(X ≤ 1) = 1.

P(0.5 ≤ X ≤ 1.5) = ∫f(x) dx, where 0.5 ≤ x ≤ 1.5

P(0.5 ≤ X ≤ 1.5) = ∫2x dx, from x = 0.5 to x = 1.5

P(0.5 ≤ X ≤ 1.5) = [x^2] from 0.5 to 1.5

P(0.5 ≤ X ≤ 1.5) = 1.5^2 - 0.5^2 = 2.25 - 0.25 = 2

Therefore, P(0.5 ≤ X ≤ 1.5) = 2.

P(1.5 ≤ X) = ∫f(x) dx, where x ≥ 1.5

P(1.5 ≤ X) = ∫2x dx, from x = 1.5 to infinity

Since the density function is 0 for x > 1, the integral evaluates to 0:

P(1.5 ≤ X) = 0

Therefore, P(1.5 ≤ X) = 0.

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please answer this, i am not sure what the answer is

Answers

The loss on the sale of equipment of $25 will appear in cash flow for operating activities section.

What is a cash flow statement?

The cash flow statement is a financial statement that gives aggregate data regarding the cash inflows that a company receives.

The loss on sales of equipment will be:

Cost of equipment = $500

Less accumulated depreciation = $375

Less sale of equipment = $25

Here, the loss on the sale of equipment of $25 will appear in cash flow for operating activities section.

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What is the solution to the following equation? 4(3x − 11) + 23 = 5x − 14 a 0 b 1 c 10 d 14

Answers

Answer:

b 1

Step-by-step explanation:

Project Description Let x∈R (a single real number), y∈R a pair (x,y) is a training somple A trainiug set of size m is a set of m such pairs, (x
i

,y
i

) for i=1,…,m. In nuapps, your can have a single 1D array for all x
i

, and sparately a ID array for all y
i

- For a given (n+1)-limensiotal vertor w∈R
n+1
, ket h(x,w)=∑
j=−[infinity]
n

e
′
x
3
be a polynomial of n-th degree of x with coefficients wy. For example, for n=2, we will have a 2 ud degree polynomial h(x,w)=w
b

+w
1

x+w
2

x
2
(if you jrefer ax
2
+bx+c, substitute a=w
2

,b=w
1

,c=w
0

). Let L(h(x),g)=(h(x)−y)
2
be the squared error objective function L:R×R→R
4

showing how good the polynonial h specified by w is at predicting the y from x in a given training sample (x,y). The lower the value of L, the higher the accuracy; idenally, the preetiction is perfict, h(x)=y. and L=0. Given a sequenue of m pains (x
i

+,
r
ˉ
) - the training met - and the value for n(n=1,2,3,4,5), your trsk is to write a python/mumpy code to find a good x ef of values wy for that n, for the given training set. A set of values w, is good if the objective function averaged over the m training pairs is bor - the valusi w head to mostly uocunite pecedictions for all samples in the training sut, That is, the task is to write python/numpy code to solve w
gool

≈argmin
w

∑
i=1
m

L(h(x
i

,w),y)/m. How to Solve It You are required to follow the following procedure, with only minor changes if it impreves your restlta. For a given m : (1) Using peceil and paper, derive the formuln for g(x
1

,y)=∇
k

L, the gradicat of L with respect to w, rs a fuaction of training saapple values x
i+

w. Thant is, find the gradiest the vector of partial derivatives
x
j

ax
j

(x
i

,y
j

) for j=0. .., n
.

. 2 (2) Start with small (e.g. in [−0.001,0.001] range), random values for w
j

. (3) Use your formuls to enlculate g(x
i

,y
i

) for all training points, then average then: g= ∑
i

g(x
i

,w
1

)/m (4) modify of slightly: wore =w
wd

−19, where q is sone (very) small positive number, experimentally chooen to lead to good results in not-too-many iterations (5) reppent the two lines above until the quality of peedictions, ∑
i=1
m

L(h(x
i

,w),y)/m, no longer danges signiffcautly (this ean be thonesands of iterations) Once you get the good valixs of w, plot the the training samples in red color on an x−y plot with the −25 to +2.5 range of the horizontal axis. Ere scateer plot - no lines connecting the training points. On the sume plot, plot the function h(x,w)=∑
j−0
n

n
x
x
f

in blue color ( x on horizatal axis, corresponding value of h(x,w) on the vertical axis. To show the full behanviot of the function, call it with x not just from the training set, but also fot other values of x (e.g. 1se 0.01 regular spacing, ie., −2.5,−2.49,−2.48,…+2.48,+2.49,+2.5; we seatter plot with no lines conaccting these points, they should be dense enough to look like a curve). Repent for all n=1,2,3,4,5 - for each different n, prepare a separate plot.

Answers

The optimal values of w and visualize the training samples and the corresponding polynomial functions for different degrees of n.

To solve the given task of finding the optimal values of w for a polynomial h(x,w) that minimizes the squared error objective function L, we can follow the provided procedure. Here is a step-by-step guide:

Step 1: Derive the formula for the gradient of L with respect to w as a function of the training sample values x and y. This involves calculating the vector of partial derivatives of L with respect to each coefficient wj.

Step 2: Initialize the values of wj with small random values in the range [-0.001, 0.001].

Step 3: Calculate the gradient g(x,y) for each training point (x,y) and average them to obtain g.

Step 4: Update the values of w by subtracting a small positive number q times g, i.e., w_new = w_old - q * g.

Step 5: Repeat steps 3 and 4 until the quality of predictions, measured by the squared error objective function, no longer significantly changes. This may require thousands of iterations.

Step 6: Once the optimal values of w are obtained, plot the training samples as red points on an x-y plot, using a horizontal axis range of -2.5 to 2.5.

Step 7: Plot the function h(x,w) as a blue curve on the same plot, by evaluating it for various values of x within the range -2.5 to 2.5. Use a scatter plot without connecting lines.

Step 8: Repeat the above steps for different values of n, starting from n = 1 to n = 5, creating separate plots for each value of n.

By following this procedure, you will be able to find the optimal values of w and visualize the training samples and the corresponding polynomial functions for different degrees of n.

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. A concession stand charges $3.50 for a slice of pizza and $1.50 for a soda. Write an
algebraic expression to represent the total cost for P slices of pizza and S sodas.

Answers

The total cost of P slices of pizza and S sodas can be represented by the algebraic expression, Total cost = 3.50P + 1.50S

How to write an algebraic expression to represent the total cost for slices of pizza and sodas?

An algebraic expression is an expression that is made up of variables and constants, along with algebraic operations like addition, subtraction, square root, etc.

The total cost of P slices of pizza and S sodas can be represented by the following algebraic expression:

Total cost = 3.50P + 1.50S

This expression represents the cost of P slices of pizza at $3.50 per slice plus the cost of S sodas at $1.50 per soda. The multiplication is implied between the coefficients and the variables. By substituting the values of P and S, we can calculate the total cost of the order.

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20 points if you help please!!!!!!!!!!!!

Answers

Answer:

C and E

Step-by-step explanation:

solve by elimination
2x+3y=-2 4x-3y=10
please help!!

Answers

Answer:

x = 4/3 and y = -14/9

Step-by-step explanation:

To solve the system of equations 2x+3y=-2 and 4x-3y=10 by elimination:

1. Add the two equations together to eliminate y:

2x + 3y = -2

4x - 3y = 10

•---------

6x = 8

2. Solve for x by dividing both sides by 6:

6x = 8

x = 8/6

x = 4/3

3. Substitute the value of x into one of the original equations to solve for y. Let's use the first equation:

2x + 3y = -2

2(4/3) + 3y = -2

8/3 + 3y = -2

3y = -2 - 8/3

3y = -14/3

y = -14/9

So the solution to the system of equations is x = 4/3 and y = -14/9.

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The volume of a cube depends on the length of its sides. This can be written
in function notation as ws). What is the best interpretation of v(4) = 64?

Answers

Answer:

46=-76.333(6×7)-÷45%€7*÷00.0001×6÷45+2

A message digest is defined as him) - (m*7;2 MOD 7793. If the message m = 23, calculate the hash

Answers

The hash of the given message is 135.

In computing, a message digest is a fixed-sized string of bytes that represents the original data's cryptographic hash. This hash is used to authenticate a message, guaranteeing the integrity of the data in the message.

Here, it is given the message m = 23

The formula to calculate hash is him) - (m*7;2 MOD 7793.

So, let's calculate the hash : him) - (m*7;2 MOD 7793(him) - (23*7;2 MOD 7793

⇒ (8*23) - (49 MOD 7793)

⇒ 184 - 49= 135.

So, the hash of the given message is 135.

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Write the quadratic equation in standard form:
7x + 15 + x^2= -1

Answers

x^2+ 7x + 16 =0 I think this will be the answer.

please help me please

Answers

answer:

sorry i don't know the answer but are you an army ?

A baker at a bakery had made 20 pastries after 1 hour of work. After 8 hours, he had made 83 pastries. M= ?

Answers

9514 1404 393

Answer:

9 pastries per hour

Step-by-step explanation:

In the 7 hours after the first, the baker made 83 -20 = 63 more pastries. That rate is ...

(63 pastries)/(7 hours) = 9 pastries per hour

_____

Additional comment

We have chosen to interpret the question as asking for the slope of a line on a graph of pastries vs. hours. Such a graph would show you the baker started with 11 pastries already made, so didn't actually make 20 in the first hour.

A baker at a bakery had made 20 pastries after 1 hour of work. After 8 hours, he had made 83 pastries.

i need help with my math

Answers

Solution

For this case we can select two points (-1,0) and (0,3)

And we can find the slope with this formula:

$m=\frac{3-0}{0+1}=3$

And we can find the intercept with the following formula:

3= 3*0 + b

b= 3

And the equation would be:

y= 3x+ 3

What is the probability of randomly drawing an ace from a deck of cards, and then drawing an even number, with replacement?

Type your answer into the box as a decimal. Round to the nearest thousandth.

Answers

The probability of drawing an ace from a deck of cards, and then drawing an even number, with replacement is; 0.030.

What is the probability of an ace and an even number?

It follows from the task content that the probability of drawing an ace from a deck of cards, and then drawing an even number, with replacement is to be determined.

Recall there are 4 ace cards and 20 even number cards in a deck of 52 cards; therefore, the probability of having an ace and then an even number card from the deck without replacement is;

P = (4/52) × (20 / 51)

P = 0.030

Ultimately, the required probability is; 0.030.

Answers

Answer is (0,4) because 4 is the y-intercept

If a pharmacist combined 50-ml portions of thre syrups having specific graveties of 1.10, 1.25, and 1.32, what would be the specific gravity of the combined product?

Answers

The specific gravity of the combined product is 1.22

Specific gravity is the ratio of the density of a substance to the density of some substance (such as pure water) taken as a standard when both densities are obtained by weighing in air.

Given,

The total quantity of portion= 50 ml

Specific gravities of the three syrups = 1.10,1.25 and 1.32

Then,

The specific gravity of the combined product= $\frac{1.10+1.25+1.32}{3}$

= 1.22

Hence, the specific gravity of the combined product is 1.22.

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Rolf owns a package delivery business. During the current year, he purchased and placed into service $1,080,000 worth of equipment. Rolf is in the highest marginal income tax bracket this year and expects to be in that bracket for two more years. After that, he plans to semi-retire but keep the business open for another three to five years. He expects to drop into the lower marginal brackets when he semi-retires. What advice would you give Rolf regarding the use of Section 179 and cost recovery deductions

Answers

I would advise Rolf to take advantage of the Section 179 deduction for the current year to maximize his tax savings. By doing so, he can deduct the full cost of the equipment purchased and placed into service, up to the Section 179 limit.

Rolf should consider utilizing the Section 179 deduction, which allows business owners to deduct the full cost of qualifying equipment purchased and placed into service during the year, instead of depreciating it over several years. The current Section 179 limit is $1,050,000. Since Rolf purchased equipment worth $1,080,000, he can fully deduct this amount, subject to the limit. By taking advantage of this deduction, Rolf can significantly reduce his taxable income for the current year, thereby lowering his tax liability in the highest marginal tax bracket.

Furthermore, Rolf's plan to semi-retire in the future and potentially drop into lower marginal tax brackets should be considered when deciding whether to utilize cost recovery deductions such as depreciation. If Rolf expects to be in a lower tax bracket in the coming years, it may be more advantageous to spread the deductions over the useful life of the equipment through depreciation. This would allow him to offset income in future years when his tax rate is lower. However, since Rolf plans to keep the business open for another three to five years before fully retiring, it is important to assess the potential tax implications during this period. Consulting with a tax professional would be beneficial in determining the most suitable strategy for Rolf's specific circumstances.

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What is the solution set for -2x + 4 > -12?

Answers

Answer: x<8

Step-by-step explanation:

Hope I was right

In the first quadrant, you start at (6,7) and move 5units down

Answers

Answer:

(6,2)

Step-by-step explanation:

If you are looking for the coordinates then that is the correct answer.

Answer:

(6,2)

Step-by-step explanation:

Because the Y axis is vertical so you would move down and subtract 5 from the 7. Your X would stay the same. So the answer will be (6,2)

Your homeowners policy has a premium of $150, a deductible of $5000, and a limit of $300,000. Your home suffers $500,000 in damages. How much will you pay? How much will your insurance pay?

Answers

https://brainly.com/question/23620117

this question was already asked and somebody answered!!

He will pay $200,000.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

Your homeowners policy has a premium of $150, a deductible of $5000, and a limit of $300,000.

And, Your home suffers $500,000 in damages.

Now,

Since, Homeowners policy has a premium of $150, So we can pay the amount = 12 x 150

= $1,800

And, Homeowners policy has a deductible of $5000.

Then, The remain amount = $500,000 - $5,000

= $495,000

Since, The limit of the policy = $300,000

Hence, The remain amount = $495,000 - $300,000

= $195,000

After including the deductible amount we get;

Deductible amount = $195,000 + $5,000

= $200,000

Thus, He will pay $200,000.

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$||3x-4|-5|\ \textgreater \ 1$

help please!

Answers

Answer:

No Solutions

Step-by-step explanation:

||3x−4|−5|>1

Solve Absolute Value.

||3x−4|−5|>1

We know either|3x−4|−5>1 or| 3x−4|−5<−1

I've been stuck on this for so long

Answers

Answer:

Step-by-step explanation:

x= 40

Tickets for a spaghetti dinner cost $4 for children and $6 for adults. The equation 4x + 6y = 36 represents the number of children x and adults y who can eat at the dinner for $36. If no children are eating at the dinner, how many adults can eat for $36?

Answers

6 adults can eat for $36

A survey of 120 12th graders at Burrow High School where 68. 4% of the students planned on going to college. Predict how many of the 3,200 total students attending the high school plan on attending college?

Answers

Assuming that the 120 12th graders surveyed are representative of the entire student population of Burrow High School, we can use the percentage of students who planned on attending college in the survey to estimate the number of students who plan on attending college in the entire school.

First, we calculate the number of 12th graders who plan on attending college:

120 * 0.684 = 82.08

So, approximately 82 12th graders plan on attending college.

To estimate the number of students in the entire school who plan on attending college, we can use a proportion:

82 / 120 = x / 3200

where x is the number of students in the entire school who plan on attending college.

Solving for x, we get:

x = (82 / 120) * 3200

x ≈ 2194

Therefore, we can predict that approximately 2,194 students out of the 3,200 total students attending Burrow High School plan on attending college.

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please i need to finish this today