Fundamentals of algebra practice book grade 7 pdf answer key

Answers

Answer 1

An example of Fundamentals of algebra practice book grade 7 question is A game-worn jersey sells for $100 more than a new jersey. Write an equation for this scenario.

What is the Fundamentals of algebra practice book about?

The Fundamentals of Algebra is a book that is made for Grade 7. It is a practice book that is made up of exercise and answers that help the student to have a better knowledge of algebra.

The equation for the above scenario is:

g = game - worn jersey

The Equation therefore will be: g=100+n

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Related Questions

Can you conclude that a = b if a and b are two sets with the same power set?

Answers

The sets A and sets B contains items called elements

It is true that the set A is equal to set B

How to determine the true statement?

The sets are given as:

Set A and set B

Since the sets have the same power set, then we have:

P(A) = P(B)

The above means that:

For every element X in A, then the element is also in B

And

For every element Y not in A, then the element is also not in B

So, we can conclude that:

All subsets of the set A are subsets of the set B and vice versa

Hence, the set A is equal to set B

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How are businesses taxed with the corporate income tax brainly

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Businesses taxed with the corporate income tax are done on the profits after deducting all the expenses.

What is a Tax?

This is a levy imposed on taxpayers by government organizations which helps to provide a source of revenue.

Businesses usually taxed with the corporate income tax by deducting all the expenses after profit has been determined.

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For a​ hyperbola, the foci lie on a line called the

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Answer:

major acxic and minar acxic

Your team has been working on a software project for over a year

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I’m sorry I didn’t understand the question you were trying to get answered. Please give more details and I can try to help you! Thank you.

George started a coin collection. his dad gave him 75 coins. each month he will add 20 coins to the collection. which equation can be used to find y, the total number of coins in george’s collection after x months?

Answers

Answer:

The equation that could be used for determining the y should be option B y = 20x + 75

Calculation of an equation:

Since dad gave him 75 coins. each month he will add 20 coins.

Here we assume a number of months be x

So, the equation is

y = 20x + 75

Therefore, we can conclude that The equation that could be used for determining the y should be option B y = 20x + 75

Explanation:

hope this helps!:) if does mark brainllest pls and thank u!

Determine whether each of the following is a characteristic of a protist, fungus, or both. unicellular stationary reproduces through spores eukaryotic cilia autotrophic

Answers

Answer: Both, Both, Fungi, Both, Protists, Protists

Explanation:

Did my own research smh

The correct match :

unicellular  - Bothstationary - bothreproduces through spores - fungi eukaryotic - bothcilia - protistsautotrophic - protists.What is a protist?

A protist is a eukaryotic organism and has a cell nucleus in the cells. It is not an animal, plant, or fungus. They don't form a natural group and may be closely related to animals and plants. Their kingdom includes the amoebas, diatoms, and slime molds.

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A cylindrical shaped silo has a diameter of 18 feet and a height of 4 feet. how much water can the silo hold, in terms of π? refer to your staar 8th grade math reference sheet for the appropriate formula. question 3 options: 162π ft3 324π ft3 648π ft3 12962π ft3

Answers

The amount of water that the cylindrical shaped silo can hold is 324π ft³.

Given the data in the question;

Diameter of the cylindrical silo; [tex]D = 18ft[/tex]Radius; [tex]r = \frac{D}{2} = \frac{18ft}{2} = 9ft[/tex]Height of the silo; [tex]h = 4ft[/tex]Volume of the silo in terns of [tex]\pi[/tex]; [tex]V = \ ?[/tex]

Volume

The volume of a cylinder simply signfies the amount of space in, i.e the quanity of materials it can carry or hold.

The volume of a cylinder is expressed as;

[tex]V = \pi r^2h[/tex]

To determine the amount of water the silo can hold, we substitute our given values into the expression above.

[tex]V = \pi r^2h\\\\V = \pi * (9ft)^2 * 4ft\\\\V = \pi * 324ft^2\\\\V = 324\pi ft^2[/tex]

Option B) 324π ft³ is the correct answer.

Hence, the amount of water that the cylindrical shaped silo can hold is 324π ft³.

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Answer:

324

Explanation:

In what industry do fertilizers and pesticides wash off and contaminate water supplies?

Answers

agriculture is answer

A student combs his hair with a plastic comb, and the hair becomes positively charged. what is the net charge of the comb and the hair and the direction of the charge transfer?

Answers

By nature hair is negetively charged, the net charge on the air is the subtraction of the positive charge from the hairs negetive charge,

What is Static Electricity?

Static electricity is a phenomenum whereby charges which are imobile by nature and mearnt to be tranfered from one surface to another.  The direction of the charge transfer is away from the positive charge.

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How will you convert 80 inches into centimeters brainly

Answers

Answer:

203.2

Explanation:

Two objects are placed in thermal contact and are allowed to come to equilibrium in isolation. the heat capacity of object a is three times the heat capacity of object b and the initial temperature of object a (ta) is twice the initial temperature of object b (tb).

Answers

here is the answer below

gettysburg national military park museum and visitor center

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I’m sorry I didn’t understand the question you were trying to get answered. Please give more details about what you are trying to ask and I can try and help you!

Complete the statements. the equation is . as the number of increases, the number of also increases.

Answers

Answer:

1: d=5l

2: laps

3: dollars:

Explanation:

got it right on edge :)

Answer:

The answer is The equation is d=51. As the number of laps increase, so do the number of dollars.

Explanation:

I did it on edg.

Introduction to linear algebra with applications 1st edition solutions

Answers

Answer:

Literally 20 other questions just like these.

Im happy to help but,

Whats your question?

What do you need help on?

I took algebra a while ago so I may be able to help you.

Target profit is $100,000; total fixed costs are $120,000, and total variable costs are $500,000, the markup percentage is

Answers

The markup percentage to the variable cost using the variable cost method is 40%.

What is markup percentage?

The markup percentage to the variable cost using the variable cost method can be obtained by dividing the addition of the target profit and total fixed cost by the total variable cost as follows.

We know that:

Total fixed cost

= Fixed overhead costs + Fixed selling and administrative costs

= $120,000 + $50,00

= $170,000

The markup percentage to the variable cost

= (Target profit + Total fixed cost) / Total variable cost

= ($100,000 + $170,000) / $675,000

= $270,000 / $675,000

= 0.40, or 40%.

Hence, the markup percentage to the variable cost using the variable cost method is 40%.

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Answer:

44%

Explanation:

The variable cost method determines price by adding a mark up to variable cost. The mark up is set to cover a fixed cost plus target profit on top of variable cost.


markup=(target profit+total fixed cost)/total variable cost

What is the molar solubility of agcl (ksp = 1. 80 × 10⁻¹⁰) in 0. 500 m nh₃? (kf of ag(nh₃)₂⁺ is 1. 7 × 10⁷)

Answers

Based on the calculations, the molar solubility of AgCl in 0. 500 M of NH₃ is equal to 2.77 × 10⁻² M.

Given the following data:

Ksp of mg(oh)₂ = 1.8 × 10⁻¹⁰Concentration of NH₃ = 0.500Kf of ag(nh₃)₂⁺ = 1.7 × 10⁷

How to determine the molar solubility.

First of al, we would write the properly balanced chemical equation for this chemical reaction:

                          [tex]AgCl(s)\rightleftharpoons Ag^{+} (aq)+ Cl^{-}(aq)[/tex]       Ksp = 1.8 × 10⁻¹⁰

                [tex]AgCl(s) + 2NH_3(aq)\rightleftharpoons Ag(NH_3)_2^{+}(aq)[/tex]   Kf = 1. 7 × 10⁷

K = Ksp × Kf

K = 1. 80 × 10⁻¹⁰ × 1.7 × 10⁷

K = 3.06 × 10⁻³

Mathematically, the Ksp for the above chemical reaction is given by:

[tex]K=\frac{ [Ag(NH_3)_2^{+}][Cl]}{[NH_3]^2}\\\\3.06 \times 10^{-3}=\frac{[x][x]}{0.50^{2 }}\\\\3.06 \times 10^{-3}=\frac{x^2}{0.25}\\\\x^2 = 7.65\times 10^{-4}\\\\x=\sqrt{7.65\times 10^{-4}}[/tex]

x = 2.77 × 10⁻² M.

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how long can breast milk sit out after being refrigerated

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Answer:

And remember, freshly pumped milk that has been left unrefrigerated for longer than four hours should be thrown away, regardless of whether it's been used in a feeding or not. Previously frozen milk should be used within 24 hours once thawed and refrigerated. If left on the counter, throw out after 2 hour

Explanation:

Antigone tells her sister, "’tis thine to show / if thou art worthy of thy blood or base." the word or tells you that base is being contrasted with worthy of thy blood. given that, what do you suppose base means? write your ideas here.

Answers

The word "base" as used in the passage refers to; loyalty to the family, to the family bond that Ismenia has.

What is the meaning of the word in the passage?

Antigone speaks the words in the given passage to her sister Ismenia. Now, in these words, Antigone questions Ismenia's loyalty and commitment to the family by the use of the word "base" to mean family loyalty.

The reason for use of that word is because their brother was banned from receiving a decent funeral, which prevented his soul from being able to rest in peace. The king then ordered that whoever made a feneral for the brother of Ismenia and Antigona would be condemned to death. However Antígona, in loyalty to her brother, was willing to take that risk and wanted to know if Ismenia had the same loyalty.

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movement of oxygen and carbon dioxide between alveoli and blood occurs by what process?

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Answer:

In a process called diffusion, oxygen moves from the alveoli to the blood through the capillaries (tiny blood vessels) lining the alveolar walls.

Explanation:

Briefly explain one way the address in the excerpt provides information about the broader international context within which it was created.

Answers

Based on the excerpt, President Jimmy Carter made reference to the meeting he had with various leaders on the energy crisis.

What is a state crisis?

A state crisis can be defined as any form of event that has the potential of causing an unstable and dangerous situation across a country, thereby, adversely affecting the people that are living within it.

In this scenario, the United States of America had an energy crisis while Jimmy Carter was the president. Thus, President Jimmy Carter gave a speech on the 15th of July, 1979 to address the citizens of the United States of America on their energy crisis through a live TV broadcast.

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If the current through the 5.0-ohm resistor is 1.0 ampere, the current through the 15.0-ohm resistor is

Answers

The current through the 15 ohms resistor of the given circuit with a calculated voltage of 5 V is; 0.33 A

What is the current through the resistor?

We are given;

Current through the 5 ohm resistor; i = 1 A

Formula for Voltage is;

V = iR

V = 1 * 5

V = 5V

Now, since the 5 ohms resistor and the 15 ohms resistor are in the same circuit, it means that they will have the same voltage. Thus;

Current through the 15 ohms resistor is;

I = V/R

I = 5/15

I = 0.33 A

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How many months did lillie make on-time payments for her line of credit at astoria federal savings?

Answers

The credit report of Lillie which complies the list of credit and repayment of her transaction shown that it took her 29 month to make on-time payments for her line of credit.

What is a credit report?

It is a database of credit score that tells about a consumer creditworthiness and shows the list of borrowing and repayment of credits.

Here, the credit report shown that it took 29 month for her to make on-time payments for her line of credit.

Therefore, the Option A is correct.

Missing options "a.29 b. 39 c.40 d.You cannot tell from this credit "

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At which location, from the origin, would a fire be detected by both towers? 2 km east and 3 km south 3 km east and 2 km north 2 km west and 1 km north 1 km west and 2 km south

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At  1km west and 2km south location, from the origin, would a fire be detected by both towers.

What is a towers known for?

The building of towers is known to be tended to  for mainly as a form of defensive or military mechanism.

Note that there are lots of towers and it can also be called a fortress, e.g.  the Tower of London and At  1km west and 2km south location, from the origin, would a fire be detected by both towers.

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based on the data above, which of the following hypotheses about the future conditions in the arctic is most plausible if the trend seen from 2011 to 2017 continues?

Answers

The data here are NOT found, but it has been hypothesized that the arctic will continue defrosting and the albedo population will decrease.

What is climate change?

Climate change refers to the progressive warming of the Earth planet, which is believed to be a consequence of human activities.

It is believed that the burning of fossil fuels is increasing global climate change by warming the Earth.

The burning of fossil fuels might cause the defrosting of the Arctic ice and decrease natural populations by increasing the greenhouse effects.

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Approximately how much of the energy in the producers of an ecosystem will be available to secondary consumers?

Answers

Answer:

Secondary consumers receive 10% of the energy available at the primary consumer level (1% of the original energy). Tertiary consumers receive 10% of the energy available at the secondary level (0.1% of the original energy).

Explanation:

Suppose that we have this spinner. what is the probability of landing on 4 after landing on 4?

Answers

The probability that the spinner lands on 4 is its likelihood

The probability of landing on 4 after landing on 4 is 1/n^m

How to determine the probability?

Assume that the numbers on the spinner are not repeated, the probability that a spinner lands on 4 is:

P(4) = 1/n

Where n represents the number of sections on the spinner

The probability that the spinner lands on 4 again is the same for the number of times the spinner is spun

Hence, the probability of landing on 4 after landing on 4 is 1/n^m where m represents the number of spins

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Fill in the blank with a form of jouer a or jouer de as appropriate

Answers

The fill up of the blanks are: Je joue la guitare.

Vous jouez football amèricain.Tu -joues piano. Elles jouent foot.

What is the term Jouer?

The term jouer a or jouer de is a word that means to play or to play in English.

It can be used also as:

Jouer à la baisse means to play for a fall in English.Jouer à la hausse means to play for a rise in English., etc.

The full question is below:

Fill in the blank with a form of jouer a or jouer de as appropriate:

1. Je ____ la guitare

2. Vous ____ football amèricain

3. Tu ____ piano

4. Elles ____ foot

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An experiment was carried out to compare electrical resistivity for six different low-permeability concrete bridge deck mixtures. there were 26 measurements on concrete cylinders for each mixture; these were obtained 28 days after casting. the entries in the accompanying anova table are based on information in an article. fill in the remaining entries. (round your answer for f to two decimal places.)

Answers

Assuming  there were 26 measurements on concrete cylinders for each mixture. Alternative Hypothesis at α=0.01 will be rejected.

Hypothesis

Electrical resistivity(I)=6

Concrete cylinder measurement(J)=26

First step

Degree of freedom for  SSb=I-1=(6-1)=5

Degree of freedom for SSw=I(1-J)=6(1-26)=150

Degree of freedom for SSr=IJ-1=(6×26)-1=155

Second step

Mean square(MSw)=13.929

SSw=MSw×I(J-1)

SSw=13.929×150

SSw=2,089.35

Third step

SSb=SSt-SSw

SSb=5,664.415-2,089.35

SSb=3,575.065

Fourth step

MSb=SSb(I-1)

MSb=3,575.065/(1-6)

MSb=3,575.065/5

MSb=715.013

Fifth step

F=MSb/Msw

F=715.013/13.929

F=51.33

The complete table is:

Source   df      Sum of squares       Mean square      F

Mixture    5         3,575.065                715.013              51.33

Error        150       2,089.35                 13.929

Total       155       5664.415

Therefore, since 51.33 is greater than 11.97 we are going to reject the hypothesis at α=0.01.

Inconclusion Hypothesis at α=0.01 will be rejected.

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How far from the end of the banjo string must a fret be so that the string's fundamental frequency is 330 hz when you hold it down at the fret?

Answers

The length of the end of the banjo string when the fundamental frequency is 330Hz will be 0.61m.

How to calculate the length?

The fundamental frequency will be given as:

f = v/2L

Let the required length be represented as L2.

Therefore, f1/f2 = L1/L2

L2 = (294 × 0.69)/330

L2 = 0.61m

Therefore, the length will be 0.61m.

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What is the gcf of the terms of the polynomial −12y4 + 8y3 – 4y2?

Answers

Answer:

4y2

Explanation:

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