for parts b and c what value of x makes each equation true ?

b: 5x+4-8x=6-3x-7

c:27-3-4x

Answer:

7

Step-by-step explanation:

Answer:

7-8

Step-by-step explanation:

with this is basd

fractions with the same denominator added together

You must add the numerators and keep the same denominator when adding fractions with the same denominator. Since the denominators of the two fractions are the same, we must add the numerators while maintaining the same denominator, which is 4.

What are the parts of fraction?

A fraction consists of two components. The numerator is the figure at the top of the line. It details the number of equal portions that were taken from the total or collection. The denominator is the figure that appears below the line.

The number below the bar is called the denominator . It tells the number of equal parts into which the whole has been divided. The number above the bar is called the numerator. It tells how many of the equal parts are being considered.

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Answer:

4 x 10^7

Step-by-step explanation:

1 x 10^7 is 10 million, just multiply that 1 by 4 to get your answer

Answer:

4 x 10^7

Step-by-step explanation:

Answer:

r = 4

Step-by-step explanation:

z ^ (7/10) * z^ ( 33/10)

We know that a^ b* a^c = a^(b+c)

z^ (7/10 +33/10)

z^ (40/10)

z^4

r = 4

Answer:

A bank with a simple interest savings plan will automatically transfer money from your paycheck to your savings account, letting you save without any extra effort.

Answer:

i will tell u if u give me brain liest

Step-by-step explanation:

Answer:

did you put a picture or a question?

or just venting

Answer:

Required equation of line in point-slope form is:

\(y-5 = -\frac{3}{5}(x+5)\)

Step-by-step explanation:

Given equation of line is:

\(y = \frac{5}{3}x+2\)

The slope-intercept form of line is:

\(y = mx+b\)

Comparing both we get

m = 5/3

We have to find the equation of a line that is perpendicular to given line and passes though (-5,5)

The product of slopes of two perpendicular lines is -1

Let m1 be the slope of line perpendicular to given line then

\(m.m_1 = -1\\\frac{5}{3} . m_1 = -1\\m_1 =-\frac{3}{5}\)

Point-slope form is given by:

\(y-y_1 =m_1(x-x_1)\\\)

Putting m = -3/5 and (x1,y1) = (-5,5)

\(y-5 =-\frac{3}{5}(x-(-5))\\y-5 = -\frac{3}{5}(x+5)\)

Hence,

Required equation of line in point-slope form is:

\(y-5 = -\frac{3}{5}(x+5)\)

Answer:

The graph will be parallel with x-axis and intersects y at -8

Step-by-step explanation:

For the function y = -8, whatever the x is, y is always -8.

x         y

-10     8

-9      8

-3      8

-2      8

2       8

The graph will be parallel with x-axis and intersects y at -8

The expression that gives the product of the polynomials x³ + 2x + 1 and 4x³ + 3 is:

\((x^3 + 2x + 1)(4x^3 + 3) = x^6 + 2x^4 + 7x^3 + 6x + 3\)

We multiply them applying the distributive property, multiplying all the terms and then combining the like terms.

In this problem, the factors are given as follows:

Hence the multiplication will be given by:

\((x^3 + 2x + 1)(4x^3 + 3) = x^6 + 2x^4 + 7x^3 + 6x + 3\)

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The equation that models the total breakfast bill is,

\(\rm Total\ bill = cost\ of\ meal + tax + tip\) and The cost of the scrambled egg for three-person is $9

The distributive property is to make something easier to do or understand and to make something less complicated.

A group of 3 friends spends a total of $17.25 for brunch at a restaurant before tax and tip.

Everyone orders the same thing: scrambled eggs, toast, and orange juice.

An order of toast costs $1, and an order of orange juice costs $1.75.

The money spent by each person will be

\(\dfrac{17.25}{3} = 5.75\)

The cost of a scrambled egg (x) for each person will be

\(\begin{aligned} \rm x + 1 + 1.75 &= 5.75\\\\\rm x &= 3 \end{aligned}\)

The cost of the scrambled egg for three-person will be

\(3*3 = 9\).

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Answer:

Question a) radius is 2.36

Question b) radius is 11.89

Question c) radius is 6

Question d) radius is 9

Step-by-step explanation:

Radius= Demeter over 2

well, keeping in mind that twin sides stemming from the same "vertex" make twin angles at the "base", Check the picture below.

Answer:

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Step-by-step explanation:

Perimeter of rectangle =2× (Length+breadth)----(1)

Given that ,

Breadth of rectangle = 4 cm.

Perimeter  of rectangle =24 cm.

Let length of rectangle = y cm.

putting the values of perimeter and Breadth in (1)

24=×(y+4)

⇒24=2y+8

⇒2y=24−8

⇒2y=16

⇒y=16/2

⇒y=8.

Therefore, the length of side rectangle is 8 cm.

Hope this helps you out and plz mark me as brain list

Answer:

Step-by-step explanation:

Hello!

L*l

breadth of the rectangle is 4cm,

2 breadth = 4*2 => 8 cm

24-8 = 16

L= 16/2 = 8

area:8*4 => 32 cm²

Answer:

copying angle C

Step-by-step explanation:

it shows that angle c is being copied

hope it helps

The unit rate of kilo per pound = 0.4545

And the unit rate of pound per kilo = 2.2

Meredith's new scale measures in both pounds and kilograms.

The information on the box says the scale has a weight limit of 200 kilograms or 440 pounds.

We have a weight limit of 200 kilograms or 440 pounds.

We need to find the unit rate of kilo per pound and pound per kilo

The unit rate of kilo per pound would be,

r1 = 200/440

r1 = 0.4545

and a unit rate of pound per kilo would be,

r2 = 440/200

r2 = 2.2

Therefore, The unit rate of kilo per pound = 0.4545

And the unit rate of pound per kilo = 2.2

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It can be calculated as follows:

P(blank 1 = 1 or 2) = 2/5P(blank 2 = 1 or 2) = 2/5P(blank 3 = 1 or 2) = 2/5P(blank 4 = 1 or 2) = 2/5P(blank 5 = 1 or 2) = 2/5P(all blanks filled with 1 or 2) = P(blank 1 = 1 or 2) x P(blank 2 = 1 or 2) x P(blank 3 = 1 or 2) x P(blank 4 = 1 or 2) x P(blank 5 = 1 or 2) =\((2/5) x (2/5) x (2/5) x (2/5) x (2/5) = 0.032 or 3.2%\)

Therefore, the chance that the blanks are filled only by 1s and 2s is 3.2%.

There are five blanks in a lottery game that are filled with random numbers between 1 and 5. The probability of blanks being filled only with 1s and 2s is given in the solution to this problem.What is the probability that the blanks are filled only by 1s and 2s?The event can be modeled as a sequence of five independent and identically distributed (i.i.d) trials, with each trial corresponding to a blank being filled by a random integer chosen between 1 and 5 with equal probability.

Assume that blank 1 is chosen to be filled first. The probability of filling it with a 1 or a 2 is 2/5. Similarly, the probability of blank 2 being filled with a 1 or a 2 is also 2/5, and so on.

The probability that all five blanks are filled with 1s and 2s is the product of the probabilities of each blank being filled with a 1 or a 2.

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The condition that ensures a solution for the mentioned equation is :

1. b₂ = 2b₁ and 6b₁-3b₃ +b₄ = 0.

In mathematics, an equation is a formula that connects two expressions with the equal sign = to indicate that they are equal. An equation consists of two expressions joined by an equal sign ("="). Expressions for both sides of the equals sign are called the "left side" and the "right side" of the equation. Usually the right side of the equation is assumed to be zero. If this is accepted, it does not reduce the generality, since it can be done by subtracting the right side from the two sides.

According to the Question:

Given that:

x₁+ 2x₂= b₁       ------------------------- (1)

2x₁ + 4x₂ = b₂  ------------------------- (2)

3x₁ + 7x₂ = b₃   ------------------------ (3)

3x₁ + 9x₂ = b₄   ------------------------ (4)

From equation (1) and (2), we get:

b₂ = 2b₁

After analysis equation (1), we have:

   6b₁-3b₃ +b₄ = 0

Using equation (1), (3) and (4), we get:

3(x₁+2x₂) -6(3x₁+7x₂) + 3x₁ + 9x₂ ≠ 0

Putting the value from equation (1),(3) and (4), we get:

6(x₁+2x₂) -3(3x₁+7x₂) + 3x₁ + 9x₂ = 0

Hence option (1) is correct.

Complete Question:

Consider the following system of linear equations:

x₁+ 2x₂= b₁

2x₁ + 4x₂ = b₂

3x₁ + 7x₂ = b₃

3x₁ + 9x₂ = b₄

which one of the following conditions ensures that a solution exists for the above system.

1. b₂ = 2b₁ and 6b₁-3b₃ +b₄ = 0

2. b₃ = 2b₁ and 6b₁-3b₃ +b₄ = 0

3. b₂ = 2b₁ and 3b₁-6b₃ +b₄ = 0

4. b₃ = 2b₁ and 3b₁-6b₃ +b₄ = 0

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\(\textit{arc's length}\\\\ s = \cfrac{\theta \pi r}{180} ~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ s=22\\ r=4 \end{cases}\implies 22=\cfrac{\theta \pi (4)}{180}\implies 22=\cfrac{\theta \pi}{45} \\\\\\ (22)(45)=\theta \pi \implies \cfrac{(22)(45)}{\pi }=\theta \implies 315.13\approx \theta\)

Answer:

(x - 7)^2 + (y - 2)^2 = 5^2

Step-by-step explanation:

Center at (7, 2); radius 5

Adapt (x - h)^2 + (y - k)^2 = r^2 to this situation.  Replace h by 7, k by 2 and r by 5:

(x - 7)^2 + (y - 2)^2 = 5^2

The rate of return of approximately 17.95% in the third year would produce a cumulative gain of 7% after two consecutive years of 6% losses.


To solve the problem completely, let's calculate the rate of return required in the third year to achieve a cumulative gain of 7% after two consecutive years of 6% losses.

1. Calculate the total loss over the two years:

  Total loss = (1 - 0.06) * (1 - 0.06) = 0.9416

2. Calculate the target cumulative gain:

  Cumulative gain = 1 + 0.07 = 1.07

3. Set up the equation to solve for the rate of return:

  1 + Rate of return = Cumulative gain / (1 - Total loss)

4. Substitute the values into the equation:

  1 + Rate of return = 1.07 / (1 - 0.9416)

  1 + Rate of return = 1.07 / 0.0584

5. Solve for the rate of return:

  Rate of return = (1.07 / 0.0584) - 1

  Rate of return ≈ 17.95%

Therefore, a rate of return of approximately 17.95% in the third year would be needed to achieve a cumulative gain of 7% after two consecutive years of 6% losses.

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The area of an 18-gon with a perimeter of 72mm is approximately 52.19 square millimeters.

To find the area of an 18-gon, we can divide it into 18 congruent triangles. Each triangle's base is a side of the 18-gon, and its height can be found by drawing a perpendicular line from the center of the 18-gon to one of its sides. Since the perimeter is 72mm, each side of the 18-gon has a length of 4mm (72mm ÷ 18). Using the formula for the area of a triangle (area = 1/2 * base * height), and substituting the values, we get:

Area of one triangle = 1/2 * 4mm * height.

To find the height, we can use trigonometry. The central angle of each triangle in an 18-gon is 20 degrees (360 degrees ÷ 18). Half of this angle is 10 degrees. By drawing a right triangle with the base as 4mm, the opposite side as the height, and the angle as 10 degrees, we can use the tangent function to find the height:

height = tan(10 degrees) * 4mm ≈ 0.3588mm.

Now we can calculate the area of one triangle:

Area of one triangle ≈ 1/2 * 4mm * 0.3588mm ≈ 0.7176 square millimeters.

Since the 18-gon consists of 18 congruent triangles, the total area is:

Total area = 18 * 0.7176 square millimeters ≈ 12.8976 square millimeters.

Rounded to two decimal places, the area of the 18-gon is approximately 12.90 square millimeters.

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One possible solution that could be used to address the problems caused by the Electoral College is "electoral reform."

Popular Vote: One approach is to replace the Electoral College with a system where the President is directly elected by a popular vote. This would eliminate the possibility of a candidate winning the presidency while losing the popular vote, as has happened in some elections.

Proportional Representation: Another option is to implement a proportional representation system, where the allocation of electors is based on the percentage of votes a candidate or party receives in each state. This would ensure a more proportional representation of voters' preferences and reduce the influence of winner-takes-all mechanisms.

National Popular Vote Interstate Compact: This reform proposal aims to work within the existing Electoral College framework. States that join the compact agree to allocate their electoral votes to the winner of the national popular vote, effectively ensuring that the candidate who receives the most votes nationwide becomes the President.

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Answer:

$8.2225

Step-by-step explanation:

100% - 45% = 55%

then divide 55 by 100 to get .55

lastly multiply .55 to 14.95 to get 8.2225

Answer:

46 questions correct

Step-by-step explanation:

Answer:

3a - 2b - c + 16 = 23

Step-by-step explanation:

so we want to write an equetion which containe a, b and c so we have given

4a - 2b = 10 and a + c = 3

so we are going to differentiate 10 to 7 + 3 it will be

4a - 2b = 10

4a - 2b = 7 + 3 ...then we insert a + c in place of 3 b/c they are equal

4a - 2b = 7 + a + c .... we take to the left side of the equal sighn

4a - a - 2b - c = 7

3a - 2b - c = 7

thrn if we want to write the equetion =23 we add 16 both side 3a - 2b - c + 16 = 23 .

3475.699

°°°°°°°°°°°°°°°

Am I correct?

Answer:

$172.5 hope this helps

Step-by-step explanation: