Which equations are true?

Select all that apply


A) -x + (-x) =0

B) x - (-x) = 0

C) None of the above.

Answers

Answer 1

The correct answer from the task content is; Choice C; None of the above.

Which of the equations are true?

The equations can be evaluated as follows;

A) -x + (-x) =0

-x -x = -2x......Not True

B) x -(-x) = 0

x + x = 2x .....Not True.

On this note, it follows that none of the equations is true.

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Related Questions

Which table represents an arithmetic sequence?

Answers

An arithmetic sequence is a sequence of integers with its adjacent terms differing with one common difference. The table that represents an arithmetic sequence is the third table.

What is arithmetic sequence?

An arithmetic sequence is a sequence of integers with its adjacent terms differing with one common difference.

The explicit formula for any arithmetic series is given by the formula,

aₓ = a₁ + (x-1)d

where d is the difference and a₁ is the first term of the sequence.

For the table to be in an arithmetic sequence, the difference between any two consecutive terms must be equal.

For the first table, the difference between the first two terms is -6, while for the next two terms it is -12. Thus, it is not an arithmetic sequence.In the second table, the difference between the first two terms is 2 while the difference between the next two terms is 4. Thus, it is not an arithmetic sequence.In the third table, the difference between the first two terms is 1.4, the difference between the next two terms is 1.4. Also, it last two terms the difference is 1.4. Thus, it is an arithmetic sequence.

Hence, the table that represents an arithmetic sequence is the third table.

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Given right triangle QRS, what is the value of sin(30°)?

Answers

The value of sin(30°) is 1/2.

What is Trigonometry?

The branch of mathematics concerned with specific functions of angles and their application to calculations.

The diagram is attached below:

We know,

sin 30= Perpendicular/ Hypotenuse.

As, the hypotenuse is the opposite side of the right angle and the perpendicular is opposite to the given angle.

So,

sin 30 = 5/10

sin 30 = 1/2

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insert one rational number between 5 and 5.25 ​

Answers

Answer:

5.1

Step-by-step explanation:

A rational number is any number that can be written as a fraction, or is a decimal that terminates or repeats.

Find the tables with unit rates greater than the unit rate in the graph then arrange these tables in order from least to greatest unit rate

Answers

Table 3,4,5,6,7 has a greater value of the unit rate than the unit rate of the graph.

What is a graph?

A diagram depicting the relationship between two or more variables, each measured along with one of a pair of axes at right angles.

The unit rate of the graph is;

[tex]r_g = \frac{26-0}{14-0} \\\\ r_g = \frac{13}{7} \\\\ r_g = 1.857[/tex]

The unit rate for the given tables;

[tex]\rm r_1 = \frac{26-13}{14-7}\\\\ r_1 = \frac{13}{7} \\\\ r_1 = 1.857[/tex]

[tex]\rm r_2 = \frac{26-13}{14-7} \\\\ r_2 = \frac{9}{5} \\\\ r_2 = 1.8 < 1.818[/tex]

[tex]r_3 = \frac{34-17}{18-9} \\\\r_3 = \frac{17}{9} \\\\ r_3 = 1.889 > 1.818[/tex]

[tex]\rm r_4 = \frac{42-21}{22-11} \\\\ r_4 = \frac{21}{11} \\\\ r_4 = 1.909 > 1.818[/tex]

[tex]\rm r_5 = \frac{38-19}{20-10} \\\\ r_5 = \frac{19}{10}\\\\ r_ 5 = 1.9 > 1.818[/tex]

[tex]\rm r_6 = \frac{50-25}{26-13} \\\\ r_6 = \frac{25}{13} \\\\ r_6 = 1.923 > 1.818[/tex]

[tex]r_ 7 = \frac{46-23}{24-12} \\\\ r_7 = \frac{23}{12} \\\\r_7 = 1.917 > 1.818[/tex]

Hence, table 3,4,5,6,7 has a greater value of the unit rate than the unit rate of the graph.

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The difference of a number and 6is the same as 5 times

Answers

Answer:

let difference be x

Step-by-step explanation:

you can solve for x by keeping the 2 statesments as conditions.

then you solve for both equations together by adding subtracting or multiplying.

eg: let x be the number.

the. proceed with conditions as equations

then solve

then your answer is here

Members of a soccer team raised $1818.50 to go to a tournament. They rented a bus for $960.50 and budgeted $35.75 per player for meals. Write and solve an equation which can be used to determine p, the number of players the team can bring to the tournament.

Answers

The equation formed by the given condition is 960.5 + 35.75p ≤ 1818.50 and the number of players they can bring is a maximum of 24.

How to form an equation?

Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.

In other words, an equation is a set of variables that are constrained through a situation or case.

Given that,

The total amount that can be spent = $1818.50

Rent of bus = $960.50

Cost per player = $35.75/player

So,

Cost of bus + Cost per player × number of players ≤ The total amount that can be spent

960.50 + 35.75p ≤ 1818.50

35.75p ≤ 858

p ≤ 24

Hence "The equation formed by the given condition is 960.5 + 35.75p ≤ 1818.50 and the number of players they can bring is a maximum of 24".

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Equation:

Step-by-step explanation:

Work out, giving your answer in its simplest form:
2/3 x 3 3/5

Answers

Answer: 12/5

Step-by-step explanation:

[tex]3 \frac{3}{5}=\frac{18}{5}\\\\\implies \frac{2}{3} \times 3 \frac{3}{5}=\frac{2}{3} \times \frac{18}{5}\\\\=\frac{36}{15}\\\\=\boxed{\frac{12}{5}}[/tex]

The sum of ages of Clayman and Ato is 25 years. In five years' time, the age of Ato will twice the age of Clayman now. a. How old is Clayman? b. How old is Ato?​

Answers

Clayman is 10 years old and Ato is 15 years old

Word problems leading to equations

Let the age of Clayman be x

Let the age of Ato be y

If the sum of ages of Clayman and Ato is 25 years. then;

x + y = 25

x = 25 - y ...... 1

In five years time;

Age of Clayman = x + 5

Age of Ato = y + 5

If in five years' time, the age of Ato will twice the age of Clayman now, then;

y+5 = 2x ............. 2

Substitute equation 1 into 2

y +5 = 2(25-y)

y + 5 = 2(30 - y)

y + 5 = 50 - 2y

3y = 45

y = 15

Since x + y = 25

x = 25 - 15

x = 10

Therefore Clayman is 10 years old and Ato is 15 years old

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The Rotation maps all 60° about O the center of the regular hexagon. State the image of B for the following rotation. R^3=

F
E
B

Answers

B will be at the place of E after all three rotations. So the correct option is B.

What is Rotation?

Moving in a circular plane with respect to the fixed point is called as the rotation of the object.

If rotation maps to The three rotations for B will be

The given B after one rotation will shift in place of C

After the second rotation will shift in place of D

After the third rotation will shift in place of E

B will be at the place of E after all three rotations. So the correct option is B.

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Expand . ( 3x –2 ) 2 need an answer ASAP.

Answers

Answer:

6x - 4

Step-by-step explanation:

For expanding (3x -2) 2 , (3x - 2) is to be multiplied with 2.

(3x - 2) × 2 = 6x - 4

6x-4 it is the distributive property

What is the product of 4 and 5g + 2.34?

Answers

The product of 4 and 5g + 2.34 is 20g + 9.36

How to determine the product?

The expressions are given as:

4 and 5g + 2.34

As a product expression, we have:

4 * (5g + 2.34)

Evaluate the product

20g + 9.36

Hence, the product of 4 and 5g + 2.34 is 20g + 9.36

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please help me its math

Answers

The value of f(x) = 3x² - 2x at x = 4 is 40.

What is function?

The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x. Mapping or transformation is used to denote a function in math.

Here, the given function;

    f(x) = 3x² - 2x

put the value of x = 4, we get

     f(4) = 3 X 4² - 2 X 4

     f(4) = 3 X 16 - 8

      f(4) = 48 - 8

     f(4) = 40

Thus, the value of f(x) = 3x² - 2x at x = 4 is 40.

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What is the solution to the linear equation?
8-10-28+7=8+d-10-36
0 d=-5
O d=1
0 d=5
Mark this and retur
Save and Exit
Next
Submit

Answers

Answer:

d = 15

Step-by-step explanation:

8 - 10 - 28 + 7 is equal to -23

8 + d - 10 - 36 is equal to -38 + d

if -23 = -38 +d

15 = d

The solution of the equation is d = 15

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

The given equation is 8-10-28+7=8+d-10-36

In the equation d is the variable

We have to solve for d

8-10-28+7=8+d-10-36

-23 = -38+d

Add 38 on both sides

-23+38=d

15=d

Hence, the solution of the equation is d = 15

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Question 9 of 30 If f(x) = 3*-¹ + 4 and g(x) = 4x-7, what is (f - g) (x) ? O A. (f - g)(x) = 3*-1 - 4x-11 B. (f - g)(x) = 3*-1 - 4x +11 C. (f - g)(x) = 3*-1 - 4x+3 O D. (f-g)(x) = 3×-¹ - 4x - 3 NEED HELP ASAP​

Answers

Answer:

I really don't know

Step-by-step explanation:

what is even that

What value of k transforms the graph of f(x)=0.5x+3 into graph g? Describe the transformation.

for 7, 8, and 9

Answers

Using translation concepts, the values of k are given as follows:

7. k = 3.8. k = -2.9. k = 2.

What is a translation?

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

In this problem:

In graph 7, g(x) is a shift up of 3 units of f(x), hence k = 3.In graph 8, g(x) is a shift left of 2 units of f(x), that is, g(x) = f(x + 2), hence k = -2.In graph 9, g(x) is a vertical stretch by a factor of 2 of f(x), that is, g(x) = 2f(x), hence k = 2.

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A (-3,6) B (-1, 3) Find the gradient of the line ​

Answers

Step-by-step explanation:

please mark me as brainlest

Applying the the properties of Congruence.
Quadrilateral GHJK = Quadrilateral LMNP.
Find the given side length or angle measure.

PLEASE HELP NO Scams pleaseeeee !!

Answers

Answer:

[tex]LM = 35cm[/tex] and [tex]m \angle H = 98^o[/tex]

Step-by-step explanation:

For this problem, it is critical to understand what the opening statement means.

[tex]Quadrilateral GHJK \cong quadrilateral LMNP[/tex] means that each pair of corresponding sides between shapes are congruent (they have equal length), and each pair of corresponding angles between shapes are congruent (they have equal measure -- or same number of degrees when measured with a protractor).

So, it's important to be able to determine which pairs are the corresponding parts.  When the congruence is given like [tex]Quadrilateral GHJK \cong quadrilateral LMNP[/tex]  the letters are in a particular order.  That order explains the order in which the shape is drawn out, and they put them in the same order for both shapes to mean that those are the letters that correspond with each other.

So, the first letter of each are a corresponding pair, the second letter of each are a corresponding pair, ... etc

In other words, point G and L correspond, point H and K correspond, etc.

Part 1 -- Find LM

To find the corresponding sides, the sides for these shapes are defined by a two adjacent letters (two letters next to each other in the name, or ... as it wraps around the end of the name... the first and last letter).

[tex]\overline{GH} \cong \overline{LM}\\ \overline{HJ} \cong \overline{MN} \\\overline{JK} \cong \overline{NP}\\\overline{KG} \cong \overline{PL}[/tex]

While all of that is true, we only have a few sides with any information in them.  Notice that side GH in the first shape, and sides PL & LM in the second shape are the only sides with anything written.  So, we just need to determine which sides correspond (and thus, are congruent), so that we know how to move forward.  Looking at the list of congruent sides above, we see that  [tex]\overline{GH} \cong \overline{LM}[/tex]

Since the sides (line segments) are congruent, their lengths are equal

[tex]GH = LM[/tex]

...so we can substitute the expressions for each angle into the equation and solve for the unknown value "x"

[tex]GH = LM\\(4x+3)=(6x-13)[/tex]

[tex](4x+3)+13=(6x-13)+13\\4x+16=6x[/tex]

[tex](4x+16)-4x=(6x)-4x\\16=2x[/tex]

divide both sides by 2

[tex]\frac{16}{2}=\frac{2x}{2}\\8=x[/tex]

So, to find the length, LM, we just need to look back at the expression for LM:

[tex]LM = 6x-13\\LM = 6(8)-13\\LM = 48-13\\LM = 35[/tex]

remembering that the lengths are measured in centimeters (as indicated on the diagram): [tex]LM = 35cm[/tex]

Part 2 -- Find m∠H

To find the corresponding angles, the angles for these shapes are defined by a single letter, so since the points correspond in order, the names of the shapes tell which angles are congruent.

[tex]\angle G \cong \angle L\\\angle H \cong \angle M\\\angle J \cong \angle N\\\angle K \cong \angle P[/tex]

While all of that is true, we only have a few angles with any information in them.  Notice that ∠H in the first shape, and ∠L & ∠M in the second shape are the only angles with anything written.  So, we just need to determine which angles correspond (and thus, are congruent), so that we know how to move forward.  Looking at the list of congruent angles above, we see that  

[tex]\angle H \cong \angle M[/tex]

Since the angles are congruent, their measures are equal

[tex]m\angle H = m\angle M[/tex]

...so we can substitute the expressions for each angle into the equation and solve for the unknown value "y"

[tex]m\angle H = m\angle M\\(9y+17)=(11y-1)[/tex]

subtract 1 from both sides

[tex](9y+17)+1=(11y-1)+1\\9y+18=11y[/tex]

subtract 9y from both sides

[tex]\\(9y+18)-9y=(11y)-9y\\18=2y[/tex]

divide both sides by 2

[tex]\frac{18}{2}=\frac{2y}{2}\\9=y[/tex]

So, to find angle H, we just need to look back at the expression for the measure of angle H:

[tex]m\angle H = 9y+17\\m\angle H = 9(9)+17\\m\angle H = 81+17\\m\angle H = 98[/tex]

remembering that the angle is measured in degrees (as indicated on the diagram): [tex]m \angle H = 98^o[/tex]

HELP PLEASE ASAP Which choices are equivalent to the quotient below? Check all that apply.
√12/√6
A. √2
B. √4/√2
c. 2/√3
D.√6/√2
E. √6/2
F. 2

Answers

Step-by-step explanation:

[tex] = \frac{ \sqrt{12} }{ \sqrt{6} } [/tex]

[tex] = \sqrt{ \frac{12}{6} } [/tex]

[tex] = \sqrt{2} [/tex]

The answer is A.

Which graph shows the solution to the system of linear inequalities? Y<2x-5 y>-3+1

Helppppp

Answers

Answer:

Is the second expression written correctly?  It reduces to y>-2, since no x is in the equation.

Step-by-step explanation:

We can graph the two equations.  See attached image.  If y>2 is the correct expression, all points to the right.

If the equation was meant to read y=-3x+1, then graph the revised expression.

What is 5 + 10^5 or what is 5 + 10 to the 5th power?

Answers

Answer:

5 + 10^5 = 100005 (I think its this one you are looking for

(5 + 10)^5 = 759275

Step-by-step explanation:

Answer:

100,005

Step-by-step explanation:
Original: 10 * 1 = 10

First, you need to do 10 * 10 which = 100.
Next, you need to do 100 * 10 which = 1,000.
Next, you need to do 1000 * 10 which = 10,000.
Next, you need to do 10000 * 100 which = 100,000.
Lastly, you need to add 5 to 100,000 and you get 100,005.


I Hope This Helped :D

19.
(05.06 MC)

The scatter plot shows the number of households, in millions, that have cable television over eight consecutive years. Which of the following is an appropriate line of best fit? (1 point)

Answers

Considering the given scatter-plot, the line of best-fit is given by:

y = 0.77857t + 3.7.

How to find the equation of the line of best-fit using a calculator?

To find the equation, we need to insert the points (t,y) in the calculator.

In this problem, considering the scatter-plot, we have that:

The values of t are: 1, 2, 3, 4, 5, 6, 7.The values of y are: 3.8, 5.8, 6.2, 7.5, 7, 8.2, 9.2.

Hence, using the calculator, the equation is:

y = 0.77857t + 3.7.

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What is the measure of m?
m = [?]√
Give your answer in simplest form.

Answers

Answer:

[tex]m=4\sqrt{6}[/tex]

Step-by-step explanation:

[tex]n^2 = {8*4}[/tex] (By geometric mean theorem)

[tex]\rightarrow n^2={32}[/tex]

[tex]m=\sqrt{n^2+8^2}[/tex] (By Pythagoras Theorem)

[tex]\rightarrow m=\sqrt{32+64}[/tex]

[tex]\rightarrow m=\sqrt{96}[/tex]

[tex]\rightarrow m=4\sqrt{6}[/tex]

Step-by-step explanation:

first find the relation between n,m and x

Find the value of $x$ that satisfies $\frac{1}{3x-1} = \frac{2}{x+1}$. Can someone please explain this in detail?

Answers

The value of x = 3/5 or 0.6 will satisfy the equation given.

What is an Equation ?

An equation is a mathematical statement which is formed when two expressions are equated by an equal sign.

It is given that

[tex]\rm \dfrac{1}{3x-1} = \dfrac{2}{x+1}\\[/tex]

It has to be solved and the value of x has to be determined

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

x +1 = 6x -2

5x = 3

x = 3/5

Therefore the value of x = 3/5 or 0.6 will satisfy the equation given.

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Please help me do the equation and figure out the right solution. I am supposed to be correcting the one in the picture.

Answers

Answer:

The correct answer is if you want no roots in the denominator, the correct answer is [tex]\frac{2x}{y}[/tex]* [tex]\sqrt[3]{2y^{2} }[/tex]

Step-by-step explanation:

The mistake is that you can't take a cube root of a square at step 3 when [tex]y^{2}[/tex] is taken out.

Explain please .................

Answers

Answer:

See below

Step-by-step explanation:

cos  2pi/3   =    -1/2

sin   2pi/3   =     sqrt (3)/2

cos   1 pi/6  =     sqrt(3)/2

sin   11 pi/6  =    - 1/2

so when you put in these values in  you will have :

(2*8) * (-1/2 + sqrt (3)/2 i )( sqrt(3)/2) + i (-1/2) )

= 16 ( - sqrt (3)4  + 1/4 i + 3/4 i - sqrt(3)/4  i^2 )        rememember i^2 =  - 1

= 16 ( 1/4  i  + 3/4  i )

= 16 i

kacee spent half of the money in her bank account, then deposited $15 more. if she now has $29, how much did she have begin with.

Answers

29-15=14. If she spent half of 14, she spent 7. So she started with $14.

Answer:

Step-by-step explanation:

Solution

Before she put anything back into her account, she had 29 - 15 = 14 dollars.

She started with 2 * 14 = 28 dollars.

Answer: 28 dollars.

In which funtion is x=2 mapped to 32?

Answers

The function g(x)=4(x+3)² - 68 is mapped to 32.

What is equation?

An equation is a mathematical expression in terms of one or more unknown variable.

Given are the following functions:

f(x)= - 3x² - 4

g(x)= 4(x+3)²-68

f(x)= 3x

f(x)= 2x-62

To get the mapped function, we substitute the value of x in all function,

a) f(x)=-3x²- 4

Put x=2,

f(2)= -3 (2)² - 4

f(2)= -16

It is not mapped.

b) g(x)=4(x+3)² - 68

Put x=2,

g(2) = 4(2+3)² - 68

g(x) =32

It is mapped to 32.

c) f(x)=3x

Put x=2,

f(2) = 3 x 2 =6

It is not mapped.

d) f(x)=2x - 62

Put x=2,

f(2) =2x2 -62

f(2) = -58

It is not mapped.

Therefore, the function g(x)=4(x+3)² - 68 is mapped to 32.

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Is 937.5 as the same as 937.50 Answer the question.​

Answers

Is 937.5 as the same as 937.50 ?

• Yes , the number 937.5 is approximatelay round off 937.50 .
Yes it is just rounded

Which of the following values are in the range of the function graphed below?
Check all that apply.
first answer gets brainliest need asap!!!

Answers

Answer:

1

Step-by-step explanation:

Although you did not give me the answer choices, I believe that the only possible answer is 1 because the only y value the graph is on is 1.

The equation a^-4= is equal to what?

Answers

1/a^4 is it’s equivalent

Answer:

a⁻⁴ = 1/a⁴

Step-by-step explanation:

1/a⁴

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A 2-column table with 5 rows. Column 1 has entries 25 percent, 25 percent, 25 percent, 25 percent, total 100 percent. Column 2 has entries 40 dollars, 40 dollars, 40 dollars, 40 dollars, blank total.Daniel is a singer, and he promises his agent that he will give him a 25% commission based on what he makes from a show. After paying the agent, Daniel takes home $120. Use the diagram to answer the following questions.Daniels agent made .Daniel and the agent made a total of from the show. Which function is increasing? the growth of a plant in size is regulated by a plant hormone. explain Part AIn what areas did the Great Society have a positive impact? It requires 2,500 joules to raise a certain amount of water (c = 4.186 j/gc) from 20.0c to 60.0c. what is the mass of the water that is being heated? 15 g 40 g 63 g 80 g (basic algebra) please help me with question: fy= 2x + 2x + 1y = 2x + 3What is the solution to this system of equations?o (-1, 3) and (0,4)o (0, 1) and (1,5) (0, 1) onlyo (-1, 1) and (1, 5) Does this graph represent a function? why or why not ? sort each phrase into the type of notification text it describes Find the radius of this sphere The calculate the volume of the sphere? What is a term for materials developed with the goal of communicating a party's ideology to the masses, such as those distributed by this party in Eskos? a. Placebos b. Realignment practices c. Propaganda d. Salami tactics Select the correct answer. How does the author create an element of surprise in the passage? A. by having the boys exclaim their name is Edward Cruttenden almost simultaneously B. by placing the main characters in multiple different settings to impact the pacing C. by comparing the similarities between the boys before describing the boys' differences D. by developing the scene where the boys bicycles crash into one another as a flashback Kindly solve this question 6 too !! Which of the following choices is NOT a consequence of incomplete combustion?A. Carbon monoxide blocking oxygen in the blood.B. Heavy metals leaking into groundwater and damaging the nervous system.C. Carbon particles causing breathing problems.D. Carbon particles making buildings dirty. 8. Complete the table below by drawing an example of each shape. Sherrys teacher told her that she should schedule an informational interview with the mayor of her city. which two questions would help her meet her purpose of holding an informational interview? how much money do you make as the mayor of our city? when were you elected mayor of our city, and how many years have you served? what experience did you obtain before being elected? who else do you know in this career field that i could speak to about this career? how many people live in our city, and when do you hold meetings with community members? The ratio of players to soccer balls at practice sessions is 5:2. How many soccer balls are needed for 20 players? Please answer this question i really want answers :( Draw isometric projection of a pls help PromptWrite a paragraph comparing and contrasting the performer's interpretation of "84" to the original text. Explain the effects of theperformer's choices in interpreting the poem, and identify how the interpretation was similar to or different from your initial reading ofthe text.