I'm thinking of a number and if I add 3 and divide
by 2, I get -4, what is my number?

Answer:

The anwser is A

Step-by-step explanation:

A is the best anwser choice given

The distance between two given points (3, −4) and (−2, 5) is √106 units.

Given that, two points are (3, −4) and (−2, 5).

Distance between two points is the length of the line segment that connects the two given points. Distance between two points in coordinate geometry can be calculated by finding the length of the line segment joining the given coordinates.

The formula for the distance, d, between two points whose coordinates are d=√(x2-x1)²+(y2-y1)²

Now, put two points (3, −4) and (−2, 5) in the distance formula and simplify.

That is, distance = √[(-2-3)²+(5-(-4))²]

=√(25+81)

=√106 units

Therefore, the distance between two given points (3, −4) and (−2, 5) is √106 units.

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Product rule of logarithms is used in the single logarithm.

A single logarithm can be expanded into many logarithms or compressed into many logarithms by using the features of log. Just another approach to write exponents is with a logarithm. As a result, the characteristics of exponents are used to infer the characteristics of logarithms.

There are 7 properties of logarithms: Product Rule, Quotient Rule, Power Rule, Zero Rule, Identity Rule, Inverse Property of Logarithm, Inverse Property of Exponent, Change of base formula.

In the equation here, only the product rule is applied.

Product rule of logarithms states that the log of a product is equal to the sum of the logs of its factors. Example: logₐ (xy) = logₐ x + logₐ y

Therefore, in this question,log₄5 + log₄5 = log₄ 25

Therefore, in the equation log₄5 + log₄5, the property of the product rule of logarithms is used.

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Answer:

8

Step-by-step explanation:

distance/time=speed

335/5=67

536/t=67

t=8

The value of f(-6) is 72, that is, option A.

In mathematics, a function from a given set X to a given set Y allots to each element of X one and only one element of Y. The set Y is called the range of the function and the set X is called the domain of the function.

Here, we are given a function f(x) = 2x²

f(-6) means that x = -6

Substituting x = -6 in the function, we get-

f(-6) =  2(-6)²

= 2 × -6 × -6

= 2 × 36

= 72

Thus, the value of f(-6) is 72.

From the given options, hence, option A becomes the correct answer.

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[tex]sum \: of \: interior \: angles = (5 - 2)180 = 540 \\ each \: angle = \frac{540}{5} = 108 \\ x + bcd = 180 \\ x + 108 = 180 \\ x = 180 - 108 = 72[/tex]

The average rate at which Mr. Blade types is 30 words per minute.

Average or mean is a measure of central tendency where it defines the central number of a data set.

Average is calculated by dividing the total sum of the values of the dat set divided by the frequency or the number of data in the set.

Mr. Adi takes 9 minutes.

The average rate of Mr. Adi is 40 words per minute.

So in 9 minutes he writes 40 × 9 = 360 words in total.

Mr. Blade typed the same number of words.

he took 12 minutes to type it.

So average rate = total words typed ÷ time taken (in minutes)

Average rate= 360 ÷ 12 =30 words per minute.

Hence Mr. Blade writes at the average rate of 30 words per minute.

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The expression log 7 +log 2 can be written as log 14 in a single logarithm form.

Given that the expression is log 7 +log 2.

We are required to write the expression is a single logarithm.

The Power Property basically states that if an exponent is being raised to another exponent, we can multiply the exponents.

The expression is  log 7 +log 2.

We know that log mn= log m +log n.So,

log 7 +log 2=log (7*2)

=log 14

Hence the expression log 7 +log 2 can be written as log 14 in a single logarithm form.

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Answer:

Step-by-step explanation:

55+18x=175

-55+18x=-55

       18x= 120

Divide by 18

X=6,666666

So it will take 7 months

Eva bought 18 chicken wings with $18

Eva bought 20 chicken wings for $20

The first step is to calculate the cost of one chicken wing

= 20/20

= 1

1 chicken wings cost $1, if Eva spent $18 then the number of chicken wings bought can be calculated as follows

= 18 × 1

= 18

Hence Eva bought 18 chicken wings with $18

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Solving the distance-time problem here, the taken time to reach the restaurant is 196 seconds (approx.)

This is a distance-time problem.

To solve this problem the required formula is, d/t = v or, d/v = t,

where d is the represented distance and t denotes the required time, and v is denoted as the velocity or speed.

Here v, velocity is 32 feet/second, and d, distance is 6271 feet.

So, the taken time to reach the restaurant is 6271/32 = 196 seconds (approx.)

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If a man rode his personal transporter 3/10 mi to the library, then 3/4 mi to class, and then 7/2 mi to his part-time job, then he rode his personal transporter for 4.55 miles.

To determine how far the man rode his personal transporter we use addition.

total miles the man rode = miles to the library + miles to the class + miles to the part-time job

total miles = 3/10 + 3/4 + 7/2  

As these fractions have an unlike denominator, we find a common denominator by determining the least common multiple.

As the least common multiple is equal to 20

Therefore,

total miles = 3(2)/10(2) + 3(5)/4(5) +7(10)/2(10)

total miles = 6/20 + 15/20 +70/20

total miles = 6+15+70/20

total miles = 91/20

total miles = 4.55

Hence, the man rode his personal transporter for 4.55 miles.

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Correct answer is A. The cost of meal in the caffeteria is 24.39.

A percentage is a figure or ratio that represents a portion of 100. In addition to the percent symbol "%," the abbreviations "pct," "pct," and occasionally "pc" are also used to denote it. A% does not have any dimensions or a corresponding unit of measurement.

Your $20.20 bill is made up of the full amount (100%) plus the 15% tip, for a total of 115%. Decimal equivalent is 1.15.

Simply divide the entire charge by 1.15 to determine the price before the tip.

20.20/1.15 = 17.56

Consequently, the final amount due before the 15% tip was $17,56.

The total cost after tax and tip = 24.39

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The equivalent expression of the statement is as follows:

[tex](\frac{y^{-3} X z^{5} }{z^{-4} X y^{6} }) ^{2}[/tex]

The expression is as follows:

Quantity y raised to the negative third power times z raised to the fifth power end quantity over quantity z raised to the negative fourth power times y raised to the sixth power end quantity all raised to the negative second power

The equivalent expression of the statement is as follows:

[tex](\frac{y^{-3} X z^{5} }{z^{-4} X y^{6} }) ^{2}[/tex]

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woah this looks hard

Correct option is A. Equation for the translation of y=2/x that has asymptotes at x=3 and y=-5  is y=2/x-3 -5.

A curve's asymptote is the point at which the curve converges. In other words, despite being endlessly near, the curve and its asymptote never collide. Asymptotes are utilized in big O notation, are straightforward approximations to complicated equations, and are helpful for charting rational equations, among other uses.

Typically, the limit of a value when the function is not specified can be used to determine the asymptote(s) of a curve. Examples of such points include and as well as the location where the numerator of a rational function equals zero.

Given,

y = 2/x

asymptotes at x=3 and y=-5

⇒ denominator is (x-3)

⇒ y = -5 is highest degree of the equation.

⇒ The equation will be y=2/x-3 -5.

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Answer:

$780

Step-by-step explanation:

Simple Interest Formula

[tex]\boxed{\sf A = P(1 + rt)}[/tex]

where:

Given:

Substitute the given values into the formula and solve for A:

[tex]\implies \sf A=650(1+0.05(4))[/tex]

[tex]\implies \sf A=650(1+0.2)[/tex]

[tex]\implies \sf A=650(1.2)[/tex]

[tex]\implies \sf A=780[/tex]

Therefore, the amount in the account now is $780.

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Answer:

honestly i say foundation of math12 ithink it will come more in handy in life

Answer:

a. 62

b. 8.8

c. 2.8

Step-by-step explanation:

can you mark as brainiest if correct please?

Step-by-step explanation:

In this question , the 20 year policy is just for fun the probability is 53 / 73

The function that models each variation is : [tex]z = \frac{5 x}{y}[/tex]

value of z = 20/9

The inverse variation property states that , whenever the product of values of two quantities is a constant value then there is opposite variation between them . Or we can also say that if the productive nature of two corresponding values is constant, then one quantity is inversely varies with second quantity. whereas, The direct variation state that the both values will show same pattern i.e. if one value will increase then another will also increase with the same amount or if one decrease another will also decrease.

In the question given,

First of all find the value of K in the model by putting in the values of x, y, and z so that to find the function model.

z = k (x) / (y)

put value of x=6, y=2 and z=15

15 = k (6) /2

k= 5

Thus we can write the equation as,

z=5x / y

put x=4, y=9

z = 20 / 9

Thus, z = 20/9

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Answer:

4.

Step-by-step explanation:

28 = 2*2*7

32 = 2*2*2*2*2

Picking out the common factors:

GCF = 2 * 2 = 4.

Answer:28

Step-by-step explanation:

ask random person the explanation, sorry, I don't know how to explain

Considering the numeric values of the function, the points and ordered pairs are given as follows:

To find the numeric value of a function, we replace each instance of the variable by the desired value.

An ordered pair is given by:

(x, f(x)).

In which f(x) is the numeric value.

For this problem, the function is given by the following rule:

y = 3x + 1.

When x = 2, the numeric value is given by:

y = 3 x 2 + 1 = 6 + 1 = 7.

Hence the ordered pair is (2,7).

When x = 3, the numeric value is given by:

y = 3 x 3 + 1 = 9 + 1 = 10.

Hence the ordered pair is (3,10).

When x = -1, the numeric value is given by:

y = 3 x -1 + 1 = -3 + 1 = -2.

Hence the ordered pair is (-1,2).

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The sum in scientific notation is 6.358 * 10^5

The summation expression is given as

(1.568 × 10^5) + (4.79 × 10^5)

Factor out 10^5 in the above expression

So, we have

10^5 * (1.568 + 4.79)

Evaluate the sum

10^5 * 6.358

Rewrite the expression as

6.358 * 10^5

Hence, the sum in scientific notation is 6.358 * 10^5

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After the solving equation ln (x-7)=2, the value of x is equal to [tex]e^{2}[/tex] + 7

We have been asked to find x in ln (x-7)=2

⇒ ln (x-7)=2

⇒ x - 7 = [tex]e^{2}[/tex]

⇒ x = [tex]e^{2}[/tex] + 7

To solve linear equations, utilize the steps that are provided below.

Lets take an example of solve z for 7z – (3z – 4) = 12

Here is no multiplication or division, so this will be easy to solve

⇒ 7z – (3z – 4) = 12

⇒ 7z – 3z + 4 = 12

⇒ 4z = 12 – 4

⇒ 4z = 8

⇒ z = 8/4

⇒ z = 2

See, that was so simple, using the mentioned methods, every linear equation can be solved easily.

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According to the question, to graph the linear inequality expressions then the given expressions should be equal to the respective number.

In the first equation that is: x<-2 or x = -2

The given expression can be drawn in the second quadrant when the value of the x-axis is negative and it is a straight line which tends to infinity.

In the second equation that is: y ≤ x+2 or y = x+2

The given expression can be drawn in the first as well as in the second quadrant when the value of the x-axis is negative as well as positive  and it is a straight line which tends to infinity.

Similarly, in the third equation that is: y ≤ x-3 or y = x-3

The given expression can be drawn in the first as well as in the second quadrant when the value of the x-axis is negative as well as positive  and it is a straight line which tends to infinity.

What is linear inequality?

Linear inequalities are those expressions in which comparison between the variables is performed. And the comparison can be done between two values or between the two expressions. It uses the symbols of the inequality like greater than, equal to, etc.

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Answer:

4

Step-by-step explanation:

The coordinate of G' if triangle E'F'G' is created by dilating EFG with a scale factor of 4 about the origin is (8, -8).

In Mathematics, there are different types of transformation and these include the following:

Dilation can be defined as a type of transformation which changes the size of a geometric object, but not its shape. This ultimately implies that, the size of the geometric object would be increased or decreased based on the scale factor used.

Since the dilatation was centered around the origin, then we would multiply the coordinate of G by a scale factor of 4 as follows:

G = (2, -2) → G'[(4 × 2), (4 × -2)]

G = (2, -2) → G'(8, -8)

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Answer: Yes

Step-by-step explanation:

one is just bigger than the other if you blow the little one up than you can see they are the same!