Which of the following show an equation and it’s solution?

Which Of The Following Show An Equation And Its Solution?

Answers

Answer 1

The ones which are equation are

[tex]\frac{3}{4}l = -9\\ 4m + 2m = 72[/tex]

What is an equation ?

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.

A mathematical statement that has a "equal to" symbol between two expressions with equal values is called an equation. as in 3x + 5 Equals 15, for instance. Equations come in a variety of forms, including linear, quadratic, cubic, and others. In this tutorial, let's study more about math equations.

here

-3 = d/-8

or, d = 24 (different from answer)

14 = 25 - k

or, k = 11 (different from answer)

j + 1 = j/3

or, 3j + 3 = j

or, j = -3/2 (different from answer)

3/4 l = -9

or, l = -12 ( same as answer)

-15 = n + 8

or, n = -23 (different from answer)

4m + 2m = 72

or, m = 12 (same as answer)

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Related Questions

Write (3p)^3 without exponents

Answers

The given expression (3p)³ without exponents is 27×p×p×p.

What is the exponent?

Exponent is defined as the method of expressing large numbers in terms of powers. That means, exponent refers to how many times a number multiplied by itself.

The given exponential expression is (3p)³.

Here, (3p)³=3p×3p×3p

= 27×p×p×p

Therefore, the given expression (3p)³ without exponents is 27×p×p×p.

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It takes you 53 minutes to bike 15 miles. At that same rate, about how long does it take you to bike 100 miles?

Answers

Answer:

795

Step-by-step explanation:

you mutiply 53 x 15 which gives you 795

Answer:

You have to take the 53 and divide it by 15 which gives you 3.53 repeating so than take 3.53 and multiply by 100 and that gives you 353 minutes as you answer

Step-by-step explanation:

Describe the graph of the quadratic function

Answers

Quadratic equations is another name for them. ax² + bx + c = 0 is the quadratic equation's general form.

What is meant by quadratic function?

A polynomial of degree two in one or more variables is referred to as a quadratic polynomial in mathematics. A polynomial function that is defined by a quadratic polynomial is known as a quadratic function.

A second-degree polynomial equation, which must contain at least one squared component, is what is known as a quadratic. Quadratic equations is another name for them. ax² + bx + c = 0 is the quadratic equation's general form.

A parabola is a curved form that represents the graph of a quadratic function. A parabola's vertex is one of its focal points. Its graph's highest or lowest point is where it is. Consider it similar to the parabola's endpoint.

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The graph of h(x) is shown.


What are the intercepts and asymptote(s) of h(x)? Explain how to find these using the graph.

Answers

Answer:

y-int = -1

x-int = -4

HA: y = -2

VA: x = -5

Step-by-step explanation:

For the y-intercept, you need to look where the graph intersects with the y-axis. In this case, the graph intersects at -1.

For the x-intercept, you need to look where the graph intersects with the x-axis. In this case, the graph intersects at -4.

The horizontal asymptote is a y value the graph approaches but does not pass or touch. In this case, the y value is -2.

The vertical asymptote is a x value the graph approaches but does not pass or touch. In this case, the x value is -5.

The deck of a bridge is suspended 265 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of the pebble above the water surface after t seconds is given by
y = 265 − 16t2.

Answers

The height of the pebble after 2 seconds is 201 feet.

How to determine the height of the pebble

From the question, we have the following parameters that can be used in our computation:

y = 265 − 16t2.

The height of the pebble after 2 seconds is given by

y = 265 - 16 * 2^2.

Plugging in the values:

y = 265 - 16 * 4

y = 265 - 64

y = 201 feet

So, the height of the pebble after 2 seconds is 201 feet.

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Complete question

The deck of a bridge is suspended 265 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of the pebble above the water surface after t seconds is given by

y = 265 − 16t2. What is the height after 2 seconds

Required information
[The following information applies to the questions displayed below.]
The following financial statement information is from five separate companies.
Company C
$ 20,480
11,059
Beginning of year
Assets
Liabilities
End of year
Assets
Liabilities
Changes during the year
Stock issuances
Net income (loss)
Cash dividends
Company A
$ 32,000
26,240
37,000
6,000
8,390
3,500
Company B
$ 24,960
17,472
26,640
18,115
1,400
?
2,000
?
12,147
9,750
5,400
5,875
2a. What is the amount of equity at the beginning of the year for Company B?
2b. What is the amount of equity at the end of the year for Company B?
2c. Compute the net income of the year for Company B.
Complete this question by entering your answers in the tabs below.
Company D
$ 56,960
39,302
Answer is complete but not entirely correct.
67,340
32,323
?
10,359
0
Company E
$ 87,360
?
102, 120
80,674
6,500
8,474
11,000

Answers

Answer:

this is very big question and the answer I think so is 11474

Diego brought 16candy bars $25. large candy bars cost $1.25 and regular candy bars cost $0.75. How many candy bars of each size did he buy? (with explanation if u can)

Answers

There are 10 and 26 candy bars of each size did he buy.

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.

We have to given that;

Diego brought 16 candy bars $25.

And, large candy bars cost $1.25 and regular candy bars cost $0.75.

Now, Let number of large candy bars = x

And, Number of regular candy bars = y

Here, Diego brought 16 candy bars.

Hence, We get;

⇒ x + y = 16  .. (i)

And, large candy bars cost $1.25 and regular candy bars cost $0.75.

Hence, We get;

⇒ 1.25x + 0.75y = 25  .. (ii)

Multiply by 1.25 in (i) and subtract from (ii),  we get;

⇒ 1.25y - 0.75y = 20 - 25

⇒ 0.5y = - 5

⇒ y = - 10

And, from (i);

⇒ x + y = 16

⇒ x - 10 = 16

⇒ x = 26

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Which graph correctly solves the system of equations below? (1 point) y = x2 + 2x + 3 y = −x2 + 3

Answers

U would have to subtract on both sides

PLEASE HELPPPPP

Which of the following are square roots to the number below? Check all that apply.  144


A. 24
B. 6
C.-12
D.144 ^1/2
E. -144^1/2
F.12

Answers

The square roots of 144 are:

A. 24

D.144 ^1/2

F.12

144 is a perfect square, so the square root of 144 is a positive and negative value of 12, 24 and 144^1/2.

Option B 6 and C -12 are not square roots of 144 because 6^2 = 36 and -12^2 = 144 .

Option E -144^1/2 is not a real number, because the square root of a non-negative number is always non-negative.

(Look at picture) and ty for the help btw………….lol

Answers

Answer:

Step-by-step explanation:

$2750 is invested at an interest rate of 3.5% APR compounded quarterly. Determine the amount after 7 years. Round your answer to the nearest hundredth.

Answers

Answer:  $3509.72

Work Shown:

A = P*(1+r/n)^(n*t)

A = 2750*(1+0.035/4)^(4*7)

A = 2750*(1+0.00875)^(28)

A = 2750*(1.00875)^(28)

A = 2750*1.27626052446017

A = 3509.71644226547

A = 3509.72

in a sampke of 1100 us adults 209 think the most celebrities are good role models. Two U.S adults are selected from this samole without replacement complete parts (a) through c

Answers

a. The probability that both adults think most celebrities are good role models is 0.0359

b. The probability that neither of adults think that celebrities are good model is 0.6559.

How to calculate the probability?

P(adult think most celebrities are good role models) = 209 / 1100

Since the first selected adult is not replaced, there are 1099 total adults left.

P(second adult think most celebrities are good role models) = 208 / 1099

So, P(both adults think most celebrities are good role models) = 209 / 1100 * 208 / 1099

= 0.19 × 0.1893

= 0.0359

b) The probability that neither of adults think that celebrities are good model is,

P(Neither adult) = P(1st adult does not think)P(2nd adult does not think)

= ((1100 – 209)/1100)((1100 – 209– 1)/1099) =0.6559

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Complete question

In a sample of 1100 us adults 209 think the most celebrities are good role models. Two U.S adults are selected from this sample

Calculate the probability that both adults think most celebrities are good role models.

Calculated the probability that neither of adults think that celebrities are good model.

Which of the following is the correct solution set?

{ } or empty set
{infinite set of points on the line}
{point in Quadrant 1}

Answers

The solution set for the given graph is a null set or empty set.

What is set?

Sets, in mathematics, are an organized collection of objects and can be represented in set-builder form or roster form.

Given is a graph of parallel lines, as we know in the system of linear equations, equations having parallel lines yields no solutions, therefore, for this also, there is no solution,

Therefore, the set will be null set or empty set.

Hence, the solution set for the given graph is a null set or empty set.

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Tyshawn has a collection of 140 coins. How many coins represent 20% of his collection?

Answers

Your answer is28
20% of 140=28

NO LINKS!!

Rewrite the following definition of congruent segments as a biconditional statement:

Congruent segments have the same length.

Answers

Answer:

A segment is congruent to another segment if and only if they have the same length.

Answer:

Segments are congruent if and only if they have the same length.

Segments have the same length if and only if they are congruent.

Step-by-step explanation:

Biconditional statement

A biconditional statement is a combination of a conditional statement and its converse.  It is conditional in both directions:

Hypothesis "if and only if" conclusion.Conclusion "if and only if" hypothesis.

Write the given statement as a conditional statement:

If segments are congruent, then they have the same length.

Write the given statement as a converse of the conditional statement:

If segments have the same length, then they are congruent.

Both the conditional and converse statements must have the same truth value to produce a biconditional statement.  Therefore, as both are true, we can write the biconditional statements:

Segments are congruent if and only if they have the same length.Segments have the same length if and only if they are congruent.

please answer a b and c! I really need help tysm

Answers

Step-by-step explanation: angle on a straight line equals=180

(a) x+2x+3x =180

(b) 6x=180 (divide both sides by the coefficient of x i.e 6)x

    x=180divide by 60

    x =30

(c) now we know the value of x substitute it to get the largest value

      x+2x+3x =180

30+2(30)+3(30)=180

30+60+90=180

therefore the largest angle is 90 degrees

Harry drew the number line below to solve a word problem he drew8 numbers and 36

Answers

where’s the answer choices??? the picture?? did you finish the question??

Answer:

Step-by-step explanation:

A proven step-by-step method for solving word problems is actually quite simple.
Read the problem out loud to yourself.
Draw a Picture.
Think “What do I need to find?”
List what is given.
Find the key words.
Solve.
Check your work.

answer the image bellow
vvv

Answers

1. The number of days is, 21/5

2. The cost of 100 kg rice is,  4520

3. The teachers required are, 120

What is the ratio?

A ratio in mathematics is a comparison of two or more numbers that shows how big one is in comparison to the other. The dividend or number being divided is referred to as the antecedent, while the divisor or number that is dividing is referred to as the consequent.

1. Given that,

3 men can complete a work in 7 days

So, we can say magnitude of work is

M = 3 × 7 =21 unit

now, 5 men are working

So,  magnitude of work is same

M = 5 × n

21 = 5 × n

n = 21/5 days

2. the cost of 25kg rice is 1130

price for 1 kg = 1130/25 =45.2

price for 100 kg = 45.2 × 100

                           =  4520

3. 90 teachers required for 1500 students,

1 teacher is expected to handle 1500/90 students,

So, for 2000 students

Teachers required = 2000/(1500/90) = 120

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(Look at picture) ty for the help btw

Answers

Answer: Here it is

1) The range is {y | y ≥ 11.5}. This is true.

2) The domain is all real numbers. This is true.

3) The y-intercept is 4.5. This is False. The y-intercept is 7.

4) There is no X-intercept. This is true.

5) The rate of change is $4.5 per mug. This is true.

C(m) = 4.50m + 7 is a linear function, and the slope of a linear function represents the rate of change (or the unit rate of change) which is 4.5 dollars per mug. The y-intercept represents the cost when no mugs are ordered which is 7 dollars. As the domain is all real numbers this means that Marta can order any number of mugs. And as the range is {y | y ≥ 11.5} this means that the minimum cost for any order will be 11.5 dollars.

And as there is no X-intercept, this means that the function never crosses the x-axis, this means that the function can never have a y value of zero, which confirms that it doesn't have an X-intercept.

Please help ASAP!!!!

Answers

Answer:152+n

Step-by-step explanation:

152 for last year, n for this year. Add them together you get the answer for the total of pies in 2 years

If a1=3 and an=-2an-1 then find the whole value of a 5

Answers

Answer:

a₅ = 48

Step-by-step explanation:

using the recursive rule [tex]a_{n}[/tex] = - 2[tex]a_{n-1}[/tex] and a₁ = 3 , then

a₂ = - 2a₁ = - 2(3) = - 6

a₃ = - 2a₂ = - 2(- 6) = 12

a₄ = - 2a₃ = - 2(12) = - 24

a₅ = - 2a₄ = - 2(- 24) = 48

Please please look at the picture and answer the question thank you

Answers

Answer:

  y = 3x -1

Step-by-step explanation:

You want the equation of the line through the points (0, -1) and (1, 2), among others.

Y-intercept

The y-value when x=0 is the y-intercept. The table shows you it is -1.

Slope

The slope is the difference in y-values when x-values increase by 1. For the first two points in the table, the y-value shows an increase of ...

  2 -(-1) = 3

This means the slope is 3.

Slope-intercept equation

The slope-intercept equation of a line is ...

  y = mx +b . . . . . . . where m is the slope, and b is the y-intercept

For your line, we have determined m=3, b=-1, so the equation is ...

  y = 3x -1

Maureen bought a new car worth $26,525 one year ago. She knows that her car's value will depreciate each year. She uses an online calculator to find that her car is worth $24,403 today. Write an exponential equation in the form y = a(b) that can model the value, y, of Maureen's car x years after purchase. Use whole numbers, decimals, or simplified fractions for the values of a and b. ​

Answers

The exponential equation that models the function of Maureen's car is 26,525 (0.92)

a = 26,525 and b = 0.92

What is an exponential function?

Exponential function is a type of function of the form: f(x) = a(b)^x. It is made up of  3 main parts

a = the starting value

b = the base function

x = the exponents

Considering the problem,

the starting = $26,525

the base = depreciation

the exponents = x

A year ago hence x = 1

$24,403 = $26,525(b)¹

b = 24,403 / 26,525

b = 0.92

hence we can say that a = 26,525 and b = 0.92

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Find an ordered pair (x, y) that is a solution to the equation.

4x-y=3

(x, y) = (_, _)

Answers

Answer:

  (0, -3)

Step-by-step explanation:

You want a point on the graph of 4x -y = 3.

Point

It is often convenient to choose an intercept when looking for a point that will satisfy the equation. Here, it is convenient to set x=0 to obtain y=-3.

A solution ordered pair is (0, -3).

__

Additional comment

Here, it will be more convenient to choose a value for x. Choosing a value for y can result in fractions becoming involved for the values of x. We prefer to avoid that.

  y = 4x -3 . . . . . . y=-3 when x=0; y=1 when x=1, so (1, 1) is another solution

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Could you please verify this answer ?

Answers

Answer:

The equation that this graph corresponds to is y -3/4x + 8

Step-by-step explanation:

The answer choice you chose is correct.

Your answer is correct.

Please Help me With this.

Answers

The unknown angle in the intersecting secant is as follows:

m∠GPE = 27 degrees

How to find the angle when secant intersects?

Secant is a line that intersects a curve at a minimum of two distinct points.

Using angle of intersecting secant theorem, the angle made by two secants (a line that cuts a circle at two points) that intersect outside the circle is half of the furthest arc minus the nearest arc.

Therefore, m∠GPE can be found as follows;

Hence,

m∠GPE = 1 / 2 (mGE - mHF)

mGE = 97 degrees

mHF = 43 degrees

Therefore,

m∠GPE = 1 / 2 (97 - 43)

m∠GPE = 1 / 2 (54)

m∠GPE =54 / 2

m∠GPE = 27 degrees

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Find LQ in parallelogram LMNQ.

LQ= ?
explain your reasonings

Answers

Answer:

lq= 8

Step-by-step explanation:

because MN is 8 units, lq must also be 8 units.

i need help pleaseeee !!

Answers

Answer:

x < -16.714... or x > 2.428...

Step-by-step explanation:

|0.7x + 5| > 6.7

=> 0.7x + 5 = -6.7 or 0.7x + 5 = 6.7

=> 0.7x = -6.7 - 5 or 0.7x = 6.7 - 5

=> x = -11.7/0.7 or x = 1.7/0.7

=> x = -16.714... or x = 2.428...

note: if |u| > a, a > 0 then u < -a or u > a

A a triangular object is placed in front of a plane mirror. Use the law of reflection and principles of ray diagramming to construct the image that the subject will formed behind the mirror. After during the image, describe it in terms of 1) distance from the mirror 2) it's size compared to the image 3) orientation (inverted from right to left or inverted from left to right) and 4) type real or virtual

Answers

Please find attached the drawing, created with MS Word, of the image of the triangle following the reflection across the mirror surface.

1) The object and the image are equidistant from the mirror

2) The object and the image following the reflection across a plane mirror are have the same side lengths and are therefore congruent

3) The image of the triangle is upright, and virtual and inverted from left to right

What are the laws of reflection?

The laws of reflection are;

1) The angle made by the incident ray and the normal line (the angle of incidence) is equal to the angle made by reflected ray and the normal line

2) The incident ray, the reflected ray and the normal are coplanar

3) The incident ray is on the other side of the normal with regards to the refracted ray

1) The distance of the points on the object from the mirror are the same as the distance of the corresponding point from on the image from the mirror

2) A reflection of an object across a plane mirror is a rigid transformation such that the size of the object and the size of the image are the same.

Therefore, ΔABC ≅ ΔA'B'C'

3) The coordinates of the image formed following the  reflection of a point (x, y) across the y-axis is; (-x, y)

The y-coordinate remains the same, and the x-coordinates changes from positive to negative, and the location of the object on the left of the y-axis, produces an image on the right of the y-axis. Therefore

Therefore, the image is upright and inverted from right to left

The image of the triangle cannot be played on the screen, therefore, the image is virtual

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To determine whether a graph of a relation is also a function, Shayla declares that the y-axis is a vertical line and counts the number of times that the graph intersects the y-axis. If the graph has exactly one y-intercept, Shayla concludes that the graph shows a function. In all other cases, she declares that it is not a function.

Answers

Answer: Shayla's method for determining whether a graph of a relation is a function is not completely accurate. While it is true that a function can only have one y-intercept, the converse is not necessarily true. A graph can have exactly one y-intercept and still not be a function.

For example, a vertical line has exactly one y-intercept, but it does not define a function because the same value of x can have multiple y-values.

It is also important to note that a graph can be a function even if it does not intersect the y-axis at all.

A more accurate way to determine whether a graph represents a function is to use the vertical line test. This test states that if a vertical line can be drawn through the graph such that it intersects the graph in more than one point, then the graph does not represent a function. If a vertical line can be drawn through the graph such that it intersects the graph in exactly one point, then the graph represents a function.

Step-by-step explanation:

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