Question: 4 + 2x - 7(2)³

1. What is the variable?



2. What is the coefficient of the variable?

3. What is the term with the variable?

We can show z = 1 ± i satisfies the equation [tex]z^2-2z+2=0[/tex] by putting the values of z in the given equation.

z = 1 ± i

Equation:

[tex]z^2-2z+2=0[/tex]

We have to show that z satisfies the given equation.

Complex numbers

A complex number is an element of a number system that extends the real numbers with a specific element denoted i, called the imaginary unit and satisfying the equation [tex]i^2 = -1[/tex]; every complex number can be expressed in the form a + bi, where a and b are real numbers.

Putting z = 1 + i in the given equation, we get

[tex](1+i)^2-2(1+i)+2 = 1 + i^2+2i -2-2i+2[/tex]

= (1 - 1 -2 +2) + (2i - 2i)  

= 0 + 0 = 0

Putting z = 1 - i in the given equation, we get

[tex](1-i)^2-2(1-i)+2 = 1 + i^2-2i -2+2i+2[/tex]

= ( 1 - 1 - 2 + 2) + (-2i+2i)

= 0 + 0 = 0

As we can see that putting z = 1 ± i  in the given equation, we get 0, hence, we have shown that z satisfies the given equation.

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The value of the quotient is 1.207

The statement is given as

Divide 306.67 and 254.00

Rewrite the above statement properly

So, we have

Divide 306.67 by 254.00

Rewrite the above statement as a quotient expression

So, we have

306.67/254.00

Express 306.67 as 254.00 + 52.67

So, we have

306.67/254.00 = (254.00 + 52.67)/254.00

Evaluate the quotient of 254 and 254

So, we have

306.67/254.00 = 1 + 52.67/254.00

Evaluate the other quotient

So, we have

306.67/254.00 = 1 + 0.207

306.67/254.00 = 1.207

Hence, the value of the statement "divide 306.67 and 254.00" is 1.207

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a) As per the given percentage, the number of registered voters in the town who cast the votes are 155,952.

b) Reese claim is incorrect. The number he mentioned as registered voters is greater than the actual number of registered voters..

Percentage:

A percentage is a number or ratio which can be expressed as a fraction of 100.

For example, 57% can be written as 57/100.

Given,

The register voters and other in the town cast their vote on the election day.

a. In that particular town, 273,600 votes were cast in an election. And there are 57% of those who were registered voted.

Here we need to find how many registered voters are there in the town.

b. Reese claims that there are 60% of the registered voters cast 273,600 votes, there would be fewer registered voters than above.

Now we have also need to find whether his statement is correct or not with the reason.

Let x be the total number of registered voter who cast the vote.

From the given details, we know that, there are 273,600 voters are cast.

And 57% of them are registered voters.

So, it can be calculated as follows,

=> x  = 273600 of 57%

=> x = 273600 x 57%

=> x = 273600 x 57/100

=> x = 2736 x 57

=> x = 155, 952

Therefore, there are 155,952 registered voter in the town who cast the vote.

Based on these calculation we know that, Reese claims is incorrect because there the number of registered voters is 155, 952 which is not equal to the number he mentioned.

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NSWER :

he answer is between 6 and 9

EXPLANATION :

room the problem, we have a graph with distance vs time.

Note that the steeper the line in the graph, the faster the speed or rate.

Looking at the graph, the steepest part is when the time is between 6 and 9

A woman has a total of $10,000 to invest and she invests part of the money in an account that pays 7 % per year, then she invested $4000 per year.

Simple interest can be said as a quick and simple formula for figuring out how much amount of interest will be charged on a loan. The daily interest rate, the principle, and the total number of days present between payments are multiplied to calculate the simple interest.

A = P (1 + rt)

FINAL AMOUNT = A

P is the starting primary balance.

Annual interest rate is r.

T = time (in years)

According to question,

7/100(x) + 12/100 (10000 -x) = 5900

7x + 120000 - 12x = 90000

30000 = 5x

x = $ 6000

P = 10000 - 600

= $ 4000

Simple interest is a kind of method for figuring out how much interest was paid on a sum of money during a specific time period at a specific rate. Simple interest has a constant principal amount. Simple interest is an absolutely clear-cut and simple method in order to compute financial interest.

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When working with unknowable numbers, we can simplify equations by using the distributive property. If the equation be 10x² - (9x + 4x²) + 7 + (5x - 8) then we get 6x² - 4x - 1.

The distributive property of binary operations in mathematics generalizes the distributive law, which states that in elementary algebra, equality is always true.

Let the equation be 10x² - (9x + 4x²) + 7 + (5x - 8)

Apply rule: a +(b + c) = a + b + c

7 + (5x - 8) = 7 + 5x - 8

= 10 x²- (9 x + 4 x²) + 7 + 5x - 8

simplifying the above equation, we get

= -(9x + 4x²) + 10x² + 5x + 7 - 8

Subtract the numbers: 7 - 8 = -1

= -(9x + 4x²) + 10x² + 5x - 1

Apply the distributive law: -(a + b) = -a - b = 0

-(9x + 4x²) = - 9x - 4x²

= -9x - 4x² + 10x² + 5x - 1

Add similar elements:

-4x² + 10x² = 6x² = -9x + 6x² + 5x - 1

simplifying the above equation, we get

= 6x² - 9x + 5x - 1

Add similar elements: -9x + 5x = -4x

= 6x² - 4x - 1

Therefore, by simplifying the equation, we get 6x² - 4x - 1.

The complete question is:

Simplify 10x² - (9x + 4x²) + 7 + (5x - 8)

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Check the picture below.

The number of miles that must be driven for the two-day rental from Company B to be less than Company A is 200 miles.

The equation that can be used to determine the total cost of renting from Company A is:

Total cost = (cost per day x number of days) + (cost per mile x number of miles)

($25 x 2) + ($0.25 x m)

$50 + $0.25m

The equation that can be used to determine the total cost of renting from Company B is: ($35 x 2) + ($0.15 x m)

$70 + $0.15m

The equation that can be used to determine the number of miles where it would be cheaper to rent for two days from Company B is:

$70 + $0.15m  < $50 + $0.25m

$70 - $50 < $0.25m - $0.15m

$20 < $0.10m

m < $20 / 0.10

m < 200

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Hello, the correct answer to your question should be 5.

As seen in the photo below, the sum of the given angle values must equal [tex]180^o[/tex].

Therefore, when we add these two values, we get the number [tex]"38x-10"[/tex]. If we equalize this number to [tex]180^o[/tex], we find the value of our [tex]x[/tex] as [tex]5[/tex].

Answer:

a1=7

an=an-1+4

a2=a2-1+4

a2=a1+4

a2=7+4

a2=11

a3=a3-1+4

a3=a2=+4

a3=11+4

a3=15

a4=a4-1+4

a4=a3+4

a4=19

a5=23

a6=27

a15=62

The common difference is 4.

The sum is 517.

By evaluating the function f(x) = x² - 5 · x, the range of the function is {- 6, - 4, 14}.

In this problem we have a domain, that is, an input set, formed by three natural numbers and a quadratic equation that represents a function that allows us to find the corresponding elements of the range, that is, the output set. The elements of the range are found by evaluating the quadratic equation at each element from domain:

x = 2

f(2) = 2² - 5 · 2

f(2) = 4 - 10

f(2) = - 6

x = 4

f(4) = 4² - 5 · 4

f(4) = 16 - 20

f(4) = - 4

x = 7

f(7) = 7² - 5 · 7

f(7) = 49 - 35

f(7) = 14

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Answer: x=5.5

Step-by-step explanation:

All three medians of a triangle intersect at one point, which is called the centroid or center of gravity of the triangle, and are divided by this point into two parts in the ratio 2:1

Hence,

[tex]\displaystyle\\\frac{6x+12}{x+17}=\frac{2}{1} \\[/tex]

Multiply both part of the equation by (x+17):

[tex]6x+12=2(x+17)\\6x+12=2(x)+2(17)\\6x+12=2x+34\\6x+12-2x=2x+34-2x\\4x+12=34\\4x+12-12=34-12\\4x=22\\[/tex]

Divide both parts of the equation by 4:

[tex]x=5.5[/tex]

[tex] \frac{7}{10} x - 2 = \frac{2}{5} x + \frac{8}{3} \\ \frac{7}{10} x - \frac{4}{5} x = \frac{8}{3} + 2 \\ \frac{3}{10} x = \frac{14}{3} \\ x = \frac{14}{3} \div \frac{3}{10} \\ x = \frac{14}{3} \times \frac{10}{3} \\ x = \frac{140}{3} [/tex]

[tex]y = ( \frac{7}{10})( \frac{140}{3} ) - 2 \\ y = \frac{980}{30} - 2 \\ y = \frac{98}{3} - 2 \\ y = \frac{196}{3} - \frac{6}{3} \\ y = \frac{190}{3} \\ y = 63 \frac{1}{3} [/tex]

BE AWARE THERE WAS NO NEED FOR ME TO SOLVE THE EQUATION I JUST WANTED TO SHOW YOU HOW IT'S DONE THE ANSWER NOW TO YOUR QUESTION IS THERE IS 1 PAIR OF ANSWER BUT TWO ANSWERS FOR THE VARIABLES.

The value of x in the equation is 26. 087

Algebraic expressions are defined as expressions made up of terms, constants, coefficients, factors and variables.

They may also include certain mathematical or arithmetic operations which includes;

Given the equation;

(0.020) (0.030) / (0.10)x = 2.3 × 10-4

We can simply the equation following the steps;

expand the brackets, we have;

6× 10^-4/ 0.10x = 2.3 × 10^-4

Now, cross multiply

0.10x × 2.3 × 10^-4 = 6× 10^-4

Divide both sides by 2.3 × 10^-4

0. 10x =  6× 10^-4/2.3 × 10^-4

Find the quotient

0. 10x = 2. 608

Let's make the variable 'x' by dividing both sides by it's coefficient

0. 10x/0.10 = 2. 608/0. 10

x = 26. 087

Hence, the value is 26. 087

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IfIf a 4,800-pound wrecking ball is held in static equilibrium by two cables, one horizontal and one at an angle of 40° from vertical .the magnitudes of the tension vectors T  and H is: 6,266.32 lb,  3,085.44lb.

Let T h = H represent the horizontal

Let Tv  represent the vertical components of the vector T

Let W wball represent the weight of the wrecking ball

Hence,

T h =H

Tv = W wball

Where:

T h = T sin 40°

Tv =T cos 40°

Magnitude of the tension vector T:

Tv =4800lb

T=Tv/ cos 40°

T = 4800lb/ cos 40°

T = 4800lb/0.766

T= 6,266.318

T=6,266.32 lb (Approximately)

Magnitude of the tension vector H

W=T  h

T h =(4800lb) sin 40°

T h =(4800lb) 0.6428

H = 3,085.44lb

Therefore we can conclude that tension vector T magnitudes is 6,266.32lb and that of tension vector H magnitudes is 3,085.44lb.

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Answer:

(0,5)(3,4)(4,5)(3,2)(4,3)(3,3)(2,3)

Answer:76

Step-by-step explanation:

the median is the middle number but since there was an even amount of numbers, I chose the middle 2 numbers. Since they were the same number they stay as 1 number making the answer 76.

Answer:

2 min

Step-by-step explanation:

18/

Answer:

(8,4) 8 is on the x axis and 4 is on the y axis

300 milligrams is 0.3 grams of protein.

A conversion factor is a number that is used to multiply or divide one set of units into another. If a conversion is required, it must be done using the correct conversion factor to get an identical value. For instance, 12 inches equals one foot when converting between inches and feet.

To convert a value or expression between two different forms. • Measurement: converting between different units, for as from inches to millimeters or liters to gallons. For instance, change 12 inches to millimeters. 304.8 millimeters are equal to 12 inches multiplied by the inch-to-millimeter ratio of 25.4.

Given Data

100 grams of honey  contains about 0.3 grams of protein.

1 gram = 1000 milligrams

To find milligrams in protein:

0.3 grams multiplied by 1000

0.3(1000)

300

300 milligrams is 0.3 grams of protein.

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The simplest form of the given multiplication 7 1/2x2/3 = 5.

The given multiplication is;

7 1/2x2/3

Where, 7 1/2 is in the mixed fraction, convert it in simple fraction.

7 1/2 = (7×2 + 1)/2

7 1/2 = 15/2

Now, put the value in multiplication and find.

= 15/2 × 2/3

Multiply the numerators and denominators of each digit

= 30/6

Divide each digit by 6

= 5

Thus, the simplest form of the digit 7 1/2x2/3 after multiplication is found 15.

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The money that she earns in total, after paying the vendor fees and repaying her brother's loan is $95.

From the information, Mia borrowed $800 from her brother to start a small business and she then applies to sell her products at a vendor fair.

Also, it should be noted that the vendor fair requires all businesses to pay a $50 entry fee, plus 10% of their sales.

The amount that she will earn after selling $1050. worth of product will be;

= $1050 - Amount borrowed - Entry fee - Percentage on sales

= $1050 - ($800) - $50 - (10% × $1050)

= $1050 - $800 - $50 - $105

= $95

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The equation of the line in the form y = mx + b are as follows:

The equation of a line can be found as follows:

Using the slope intercept form,

y = mx + b

where

Therefore, let's find the slope using the table.

(-4, 13)(-3, 11)

m = 11 - 13 / -3 + 4

m = - 2 / 1

m = -2

Let's find the y-intercept using (-4, 13)

13 = -2(-2) + b

13 - 4 = b

b = 9

Therefore, the equation of the line is y = -2x + 9

Using the second table,

(0, -3)(2, 1)

m = 1 + 3 / 2 - 0

m = 4 / 2

m = 2

y-intercept = b = -3

Therefore,

the equation of the line is y = 2x - 3

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The quotient when 0.03 is divided by 0.148 after rounding it off is 0.2.

According to the question,

We have the following information:

0.03 is divided by 0.148

And it can be simply expressed as 0.03/0.148

Now, we have the quotient as:

0.2027

Now, when rounding off the numbers we know that the digits from where we are rounding off we look at the right next to that digit and when that digit is greater than 5 then the digit should be increased by 1 and when that digit is less than 5 then the digit should be the same.

So, we will round it off by taking the underlined digit to be next to first 2:

So, the digit is 0.

Butt if we are taking the underlined digit as 2 to be the next 2 then the digit next to it is 7 which is greater than 5.

Then, we have:

0.2

Hence, the quotient when 0.03 is divided by 0.148 after rounding it off is 0.2.

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Answer:

x= 13.5(7)

x=94.5

Pls mark as brainliest

Answer:

the first choice

Step-by-step explanation:

C reflection of point D over x and y axis

A scatter plot which best represents the data in the table is scatter plot B.

A scatter plot is also referred to as scatter chart, scatter diagram or scattergram and it can be defined as a type of graph which is used for the graphical representation of the values of two (2) variables, with the resulting points showing any association (correlation) between the data set.

In this scenario, the altitude (thousand feet) would be plotted on the x-axis of the scatter plot while the air pressure (pounds per square inch) would be plotted y-axis of the scatter plot as depicted in the image attached below.

In conclusion, we can reasonably infer and logically deduce that scatter plot B best represents the data in the table.

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