Which of the following equations has exactly one solution? A. 4 x − 4 + 2 x = 6 x − 4 B. 4 x − 8 = 4 ( x − 4 ) C. 3 x + 5 = 2 x − 6 D. 2 ( 4 x + 5 ) = 8 x + 10

Step-by-step explanation:

I would probably use grams

Answer:

$175

Step-by-step explanation:

you need to specify if harriet got the 7 portion or the 5 portion. I'll answer as if she got the 7 portion.

They split it into 12 portions because the ratio is 7:5 and 7+5=12. So do $300/12=25

Assuming Maya got the 5 portion, do $25 x 5 = $125, so Maya got $125.

Assuming Harriet got the 7 portion, do $25 x 7 = $175, so Harriet got $175.

A collector offers to buy state quarters for 2000% of their face value. The face value of each quarter is 25 cents. At that rate 20 dollars Bryden will get for his four state quarters.

In the given question, a collector offers to buy state quarters for 2000% of their face value.

The face value of each quarter is 25 cents.

We have to find at that rate how many dollars Bryden will get for his four state quarters.

As given that,

Collector buy state quarters = 2000% of their face value

We can write 2000% as 20×100%.

It means that state quarters is 20 times of their face value.

As we know that, 4 quarter is equal to the one dollar. So,

Bryden get for his four state quarters = 20×1 dollars

Bryden get for his four state quarters = 20 dollars

To learn more about face value link is here

brainly.com/question/14294215

#SPJ4

Answer:

the answer is 3.5

Step-by-step explanation:

6 plus 4 is 10 and 3.5 x 3 is 10

The domain of the function graphed in this problem is given as follows:

{x | x ≥  -4}.

The domain of a function is the set composed by all the input values that the function accepts.

On the graph, the domain of the function is given by the values of x.

From the graph of the function, the function has a closed interval at x = -4, and is defined for all the values for the right of that, that is, greater than -4, hence the notation for the domain is given as follows:

{x | x ≥  -4}.

Meaning that the correct option is given by the second option.

More can be learned about the domain of a function at brainly.com/question/10687170

#SPJ1

The expression ∫(7dx) evaluates to 7x + C, where C is the constant of integration . The expression ∫(2x^4 dx) evaluates to (2/5)x^5 + C, where C is the constant of integration.

Evaluating ∫(7dx):

The integral of a constant term, in this case, 7, with respect to x is simply the product of the constant and x. Therefore, ∫(7dx) = 7x. To account for the constant of integration, we add "+ C" at the end, where C represents the constant of integration. So the final result is 7x + C.

Evaluating ∫(2x^4 dx):

To evaluate this integral, we use the power rule of integration. According to the power rule, the integral of x^n with respect to x is (1/(n+1))x^(n+1). In this case, we have n = 4, so the integral becomes (1/(4+1))x^(4+1) = (1/5)x^5. Again, we add "+ C" to account for the constant of integration, resulting in (2/5)x^5 + C.

In both cases, the constant of integration (C) represents an *arbitrary constant* that accounts for the indefinite nature of the integral. It allows for the inclusion of all possible antiderivatives of the given functions.

To learn more about integration click here brainly.com/question/31744185

#SPJ11

Answer:

-0.5 is not a solution

2 is a solution

Step-by-step explanation:

To check if something is a solution of the equation, you need to substitute the value in place of the variable

15 + 2y = -12 - 4y

15 + 2(-0.5) = -12 - 4(-0.5)

15 - 1 = -12 + 2

14 ≠ -10 ∴ -0.5 is not a solution

5 - 2(3x + 5) = 3 - 10x

5 - 2[3(2) + 5] = 3 - 10(2)

5 - 2(6 + 5) = 3 - 10(2)

5 - 12 - 10 = 3 - 120

-17 = -17 ∴ 2 is a solution

Answer:

No. of boys = 15

Step-by-step explanation:

Given that,

The ratio of boys to student is 3:7.

Number of girls in the school = 20

We need to find the number of boys in the school.

Let there are 3x boys and 7x number of students.

No. of girls = Total students - no. of boys

= 7x-3x

= 4x

ATQ,

4x = 20

x = 5

No. of boys = 3x

= 3(5)

= 15

Hence, there are 15 boys in the school.

Step-by-step explanation:

0.068 in scientific notation is 6.8 * 10^-2.

The given number 0.068 in scientific notation is \(6.8 \times 10^{-2}\).

The given digit is 0.068.

Move the decimal point to the right until there is only one non-zero digit to the left of the decimal point. Count the number of decimal places you moved. In this case, we move the decimal point two places to the right.

0.068 becomes 6.8

Write the number in the form of a decimal number between 1 and 10, multiplied by 10 raised to the power of the count of decimal places we moved.

6.8 can be written as \(6.8 \times 10^{-2}\)

Simplify, if possible. In this case, we can express 6.8 as \(6.8 \times 10^{-2}\) since it is already in a simple form.

Therefore, the number 0.068 in scientific notation is \(6.8 \times 10^{-2}\).

Learn more about the Scientific Notation here :

https://brainly.com/question/20533245

#SPJ6

From the given numbers, the greatest number is 23 × 10^126

The first number = 23 × 10^126

The second number = 23 × 10^86

The third number = 23 × 10^66

The fourth number = 23 × 10^3

The scientific notation is defined as the easiest method to represents the very smallest or the largest number. The scientific notation consist of a whole number multiplied by the power of ten

Here, the whole number is same in all cases, only the power of the 10 is different . To find the largest number we have to find the number with largest power of 10

The number with largest power of 10 = 23 × 10^126

Hence, the greatest number is 23 × 10^126

Learn more about scientific notation here

brainly.com/question/18073768

#SPJ4

Answer: No, this relation is not a function.

Step-by-step explanation: Beca the x’s value’s repeat

════════ ∘◦❁◦∘ ════════

════════════════════

x1 = 2

y1 = 1.5

x2 = 4

y2 = 0

════════════════════

the slope = gradient (m)

════════════════════

\(m = \frac{y2 - y1}{x2 - x1} = \frac{(0 - 1.5)}{(4 - 2)} = \frac{( - 1.5)}{2} = - \frac{3}{2}\)

════════════════════

•Formula of the slope (m)

\(\boxed {\ m = \frac{y2 - y1}{x2 - x1}} \)

════════════════════

Answer:

6k 2k-6

Step-by-step explanation:

Answer:

im pretty sure it's 1,098

Answer:

8:10, 12:15

Step-by-step explanation:

By definitions of volume and flow rate, it will take a time of 10 minutes to fill the tank to a height of 50 centimeters.

Herein we find the case of a rectangular tank being filled with water at constant flow are, which is dimensionally speaking, volume by time. We know that dimensions of the tank are described in centimeters, whereas flow rate is described in liters per minute. Please notice that a liter is equal to 1000 cubic centimeters:

t = [(80 cm) · (60 cm) · (50 cm) · (1 L / 1000 cm³)] / (24 L / min)

t = 10 min

By definitions of volume and flow rate, it will take a time of 10 minutes to fill the tank to a height of 50 centimeters.

To learn more on filling processes: https://brainly.com/question/13310861

#SPJ1

Answer:

10 in

10\pi

Step-by-step explanation:

Diameter = 2× radious

\(c = 2 \times \pi \times r = 2\pi \times 5 = 10\pi\)

Answer:

Step-by-step explanation:

\(35 - 21 + 6m\)

Simplify : Subtract

\(35 - 21 = 14 \\ 14 + 6m \\ 6m + 14\)

Answer:

x = 9

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

50° is an exterior angle of the triangle, thus

38 + 4x - 24 = 50 , that is

14 + 4x = 50 ( subtract 14 from both sides )

4x = 36 ( divide both sides by 4 )

x = 9

Answer:

\(\huge\boxed{\sf x = 9}\)

Step-by-step explanation:

The measure of the exterior angle is equal to the sum of non-adjacent interior angles.

So,

50 = 38 + 4x - 24

50 = 4x + 14

Subtract 14 to both sides

50 - 14 = 4x

36 = 4x

Divide 4 to both sides

36 / 4 = x

x = 9

\(\rule[225]{225}{2}\)

Hope this helped!

The mean travel time for the 7 students is approximately 8.6 minutes, and the median travel time is 8.5 minutes.

To find the mean travel time, we need to add up all the travel times and divide by the total number of students:

Mean = (8 + 14 + 12 + 9 + 7 + 5 + 5) / 7

Mean = 60 / 7

Mean ≈ 8.6 (rounded to one decimal place)

So, the mean travel time for the 7 students is approximately 8.6 minutes.

To find the median travel time, we need to arrange the travel times in order from smallest to largest:

5, 5, 7, 8, 9, 12, 14

There are 7 students, so the median is the middle value. In this case, the middle value is the average of the 4th and 5th numbers:

Median = (8 + 9) / 2

Median = 8.5

So, the median travel time for the 7 students is 8.5 minutes.

To learn more about mean please click on below link        

https://brainly.com/question/28060453

#SPJ1

Answer:

) +, -

e) x, ÷

g) ÷

Step-by-step explanation:

Answer: 26

Step-by-step explanation:

26 + 26 = 52

52 + 3 = 55

55 divided by 5 = 11

Hope this helped : )

Answer: 1. 3x=15. 2. is correct

3. X=15

The distance of a = 1 / 2 pi, b = 1 pi, and c = 3 / 2 pi.

The complete movement of an object, regardless of direction, is referred to as distance. The amount of ground a thing travels from its starting point to its destination is also referred to as distance.

Given:

The time, t = π / 2 sec,

Calculate the distance by using the formula given below,

\(Distance = r\times time\)

So, for distance, a = 1 × π / 2 =  π / 2

for distance, b = 1 × π =  π

for distance, c = 1 × 3 π / 2 =  3 π / 2

Therefore, the distance of a = 1 / 2 pi, b = 1 pi, and c = 3 / 2 pi.

To know more about distance:

https://brainly.com/question/15256256

#SPJ1

\( \huge{ \underline{ \underline{ \gray{ \bf{Solution:}}}}}\)

Let,

Given,

That means,

⇛ Total mass of the coin = 230 mg

⇛ 115x = 230 mg

⇛ x = 230 mg/115

⇛ x = 2 mg

Then,

☁️ ANSWER - 14 mg (Mass of copper)

━━━━━━━━━━━━━━━━━━━━

Answer:

Therefore , the solution of the given problem of unitary method  comes out to be  has 15 Joules of mechanical energy in total shortly before it touches the ground.

This well-known simplicity, already-existing variables, and any necessary elements from the initial Diocesan customised query can all be used to finish the work. As a response, you can be given another chance to use the item. Otherwise, important effects on algorithmic knowledge will vanish.

Here,

An object's kinetic energy and potential energy are added to determine its overall mechanical energy. In this instance, the falling apple has a total mechanical energy of 10 Joules because of its potential energy and 5 Joules because of its kinetic energy.

=> Potential energy +  kinetic energy = total mechanical energy.

=> The mechanical energy = 10 + 5 joules.

=> 15 Joules are the total mechanical energy.

The apple has 15 Joules of mechanical energy in total shortly before it touches the ground.

To know more about unitary method  visit:

https://brainly.com/question/28276953

#SPJ9