Help ASAP 15 points worth

Answer:

x = 5/7 = 0.714

Step-by-step explanation:

Answer is 5/7 = 0.714

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I think it's either 21+4×6-1=9 or 2+6×8-6=7

Answer:

One solution

Step-by-step explanation:

Adding 3x to both sides results in   7 = 6x + 7, or 6x = 0.  There is one solution, and that solution is x = 0.

For this case we must use the order of algebraic operations according to the PEMDAS method:

P: Parentesis

E: Exponential

MD: Multiplication and division from left to right

AS: Addition and subtraction from left to right

We have:

12÷6×2-[tex]2 ^ 2[/tex] =

12÷6×2-4 =

2×2-4 =

4-4 =

0

Answer:

0

Answer:

0

Step-by-step explanation:

PEMDAS

Parenthesis

Exponent

Multiply

Divide

Add

Subtract

Do exponent first.

12÷6*2-2²

2²=2×2=4

12÷6×2-4

Multiply and divide from left to right.

12÷6×2

12÷6=2

2×2=4

4-4

Subtract from left to right.

4-4=0

0 is the correct answers.

I hope this helps you, and have a wonderful day!

Adding the student with eight siblings will increase the class average amount of siblings because this student has more siblings than the average.

The new class average for number of siblings is 3.19

Therefore, the average number of siblings that each student has is larger than the original average.

Answer:

The average will go up.

Step-by-step explanation:

Answer:

168 miles.

Step-by-step explanation:

5/7x+40+0.75x−118=x

Step 1: Simplify both sides of the equation.

5/7x+40+0.75x−118=x

5/7x+40+0.75x+−118=x

(5/7x+0.75x)+(40+−118)=x(Combine Like Terms)

1.464286x+−78=x

1.464286x−78=x

Step 2: Subtract x from both sides.

1.464286x−78−x=x−x

0.464286x−78=0

Step 3: Add 78 to both sides.

0.464286x−78+78=0+78

0.464286x=78

Step 4: Divide both sides by 0.464286.

0.464286x/0.464286=78/0.464286

x=168

The total length of the bicyclist's route is 560 miles. This is solved by setting up an equation based on the given information and solving for the total route length.

To solve this problem, we first need to represent the problem using equations by setting X as the total route. We know that the bicyclist has already covered 5/7 of his route and an additional 40 miles. So, the part of his route he has already covered is expressed as [tex](5/7)X + 40.[/tex]

We also know that he has yet to cover 118 miles less than 0.75 of his route, so the part of the route that he has yet to cover is expressed as 0.75X - 118. Since the parts of the route already covered and yet to be covered add up to be his entire route (X), we can set up the equation as follows: ([tex](5/7)X + 40 = 0.75X - 118[/tex]. By solving this equation, we find that X (the total length of his route) equals 560 miles.

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Answer:

25

Step-by-step explanation:

-16t^2+vt+s

v=initial velocity

Answer:

For the first table: (0, 10) (1, 15) (2, 20) (3, 25) (4, 30)

For the second table: (-2, 1.04) (-1, 1.2) (0, 2) (1, 6) (2, 26)

For the third table: (-2, 10) (-1, 0) (-1/2, -5/4) (1, 10)

Step-by-step explanation:

Answer:

6,30

Step-by-step explanation:

The product of two whole numbers is 180

xy = 180

and their sum is 36

x+y = 36

x = 36-y

Substitute this into the first equation

(36-y) (y) = 180

36y - y^2 = 180

Add y^2 to each side

36y = 180 +y^2

Subtract 36y from each side

0 = y^2 -36y +180

Factor

0=(y-6) (y-30)

Using the zero product property

y-6 =0   y-30 =0

y = 6    y= 30

Now we need to find x

If y =6

x = 36-6=30

If y = 30

x = 36-30=6

The two numbers are 30 and 6

Answer:

yes,its one way to simplify equations.

Step-by-step explanation:

Answer:

x = 3/4

Step-by-step explanation:

4x-3=0

Add 3 to each side

4x-3+3 = 0+3

4x = 3

Divide each side by 4

4x/4 = 3/4

x = 3/4

Answer: X = 3/4

Solution:

Move the constant to the right side and change its sign, then divide both sides by four:

4x - 3 = 0 --> 4x = 3 --> (4x/4) = (3/4)

X = 3/4

Answer:Which one do you need help with

Step-by-step explanation:

1. 5 Folder 5 Pen = yes

6 Pen 6 Eraser = Yes

1 Pen 4 Notebook = No

3 Folder 7 Eraser = No

4 Folder 2 Notebook = Yes

Answer:

114 degrees

Step-by-step explanation:

The formula to find the measure of all angles in a regular polygon is [tex](n-2)180[/tex], where n = total number of sides.

Thus, we substitute n for 10, and you get:

[tex](10-2)180=1440[/tex]

If the shape is a regular polygon and it has ten sides, meaning all sides are equal, then all you do is divide 1440 by 10, to get the final answer of 114.

A central angle in a regular ten-sided polygon would be 144 degrees.

Final answer:

The central angle of a regular polygon with 10 sides (a decagon) is calculated by dividing 360° by the number of sides, resulting in a central angle of 36°.

Explanation:

To find the measure of a central angle of a regular polygon with 10 sides (a decagon), we use the formula for the measure of each central angle:

Central Angle = 360° / Number of sides

Thus, the central angle of a regular decagon is:

360° / 10 = 36°

This is because the central angles are equally distributed around the center point, dividing the 360° of a circle evenly by the number of sides in the polygon.

sin x = 32/58

We need to find the angle x.

Take the sine inverse on both sides.

Let arcsin = sine inverse

arcsin(sin x) = arcsin(32/58)

x = 33.485376623

Rounding off to the nearest hundredth, we get x = 33.49°.

Done!

Answer:

33.49

Step-by-step explanation:

I took the test

Answer: D)

Step-by-step explanation: this is because you find the area of the circle which is pi times radius squares. So the area of the circle is 16 pi. And the. You have to multiply by 7 because you are staking the circle 7 times. To get 122 pi which is the answer so the answer is D. :)

The value of the volume of the cylinder is,

V = 96π units³

A cylinder is a three-dimensional solid that maintains, at a given distance, two parallel bases connected by a curved surface. These bases often have a circular form (like a circle), and a line segment known as the axis connects the centres of the two bases.

We have to given that;

Radius of cylinder = 4 units

Height of cylinder = 6 units

Since, The value of volume of cylinder is,

⇒ V = πr²h

Hence. The value of the volume of the cylinder is,

V = π (4²) × 6

V = 16 × 6 π

V = 96π units³

Thus, The value of the volume of the cylinder is,

V = 96π units³

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Answer:

Prime: 9/25    Not Prime: 16/25

Step-by-step explanation:

In 1 - 25 there are 9 prime numbers, or numbers that cannot be divided by anything other than 1 or itself. They are  2 3 5 7 11 13 17 19 and 23,

Selecting a NON Prime: 25-9= 16 so we would put 16 over 25.

16/25 since it can not be reduced that is the fraction

Selecting a Prime: We know there is 9 prime numbers so we would put it over 25. 9/25 also cannot be reduced any further,

The answer depends on which measure is the height and both bases.

Answer:

7pm

Step-by-step explanation:

Noon means 12:00pm

Just add 3 hours to their originally 4 hour trip

(1 hour from lunch and 2 from the amusement park)

Answer:

7

Step-by-step explanation:

Answer:

20 bicycles and 10 tricycles.

Step-by-step explanation:

Let the number of bicycles and tricycles be x and y respectively.

Each vehicle has 1 seat.  Each bicycle 2 wheels and each tricycle 3 wheels.

Then we have the system of equations:

x + y = 30 ............ (1)

2x + 3y = 70.........(2)

Multiply the first equation by -2:

-2x - 2y = -60......(3)

Adding (2) + (3):

y = 10

Substituting for y in equation (1):

x + 10 = 30

x = 20.    

By simultaneous equation, there are a total of 20 bicycles and 10 tricycles.

Let the number of bicycles and tricycles be x and y respectively.

It is given that there is a total of 30 seats and 70 wheels.

Each vehicle has 1 seat.  Each bicycle 2 wheels and each tricycle 3 wheels.

Then we have the system of simultaneous equations:-

x + y = 30 ............ (1)

2x + 3y = 70.........(2)

Multiply the first equation by -2:

-2x - 2y = -60......(3)

Adding (2) + (3):

y = 10

Substituting for y in equation (1):

x + 10 = 30

x = 20.    

Therefore, by simultaneous equation, there are a total of 20 bicycles and 10 tricycles.

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Answer:

Step-by-step explanation:

[tex]\left\{\begin{array}{ccc}-x+y=5\\4x+y=10&\text{change the signs}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}-x+y=5\\-4x-y=-10\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad-5x=-5\qquad\text{divide both sides by (-5)}\\.\qquad x=1\\\\\text{put the value of x to the first equation}\\-1+y=5\qquad\text{add 1 to both sides}\\y=6[/tex]

The equation 5(1 + 3) - 3(2 - 1) when solved gives the final result 17.

To evaluate the expression 5(1 + 3) - 3(2 - 1), you need to follow the proper order of operations, which consists of parentheses first, then multiplication or division (from left to right), and finally addition or subtraction (also from left to right).

First, simplify the expressions inside the parentheses:

Next, multiply each result by the number outside the parentheses:

Now subtract the second result from the first:

The evaluated expression is 17.

my answer got deleted earlier, and I lost my Brainliest, so can I please get it back?

Answer: 5, 5

Step-by-step explanation: On the first spinner, the number 5 is located in the top-right corner.

On the second spinner, the two number 5s are i the top-right and right areas.

Answer:

(-3,-2)

Step-by-step explanation:

y = -x - 5

y = 2x + 4

plug in one of the y equations

(2x+4)= -x - 5

2x+4=-x-5

3x=-9

x= -3

plug in x to one of the y equations

y= -(-3) -5

y=3-5

y= -2

x= -3, y= -2

Answer:

A = [tex]\frac{1}{2}[/tex]bh

Step-by-step explanation:

The area of a triangle is defined as half the product of its base by its height.

A = [tex]\frac{1}{2}[/tex]bh

If you do not know the height but you know the length of the three sides of the triangle you can use Heron's formula to find the area

If the lengths of the sides are a, b, c then the area is

[tex]A = \sqrt{s(s-a)(s-b)(s-c)}[/tex]

Where

[tex]s =\frac{a+b+c}{2}[/tex]

You do length x width (for triangles its called base x height) and divide the product by 2

Answer:

Try A or D

Step-by-step explanation:

I did this last semester (I know my age is 32 I didn't know if you had to be over 18 or 21 so I guessed a year and aimed a little to high...) I think it is either A or D

Answer:

Its A (APEX)

Step-by-step explanation:

Answer:

sorry, that is a very complex question

Step-by-step explanation:

it had to be more tjan 20 characters

Answer:

6 runners

Step-by-step explanation:

Each runner ran 7.5 km.  If there were n runners, then (7.5 km)n = 45 km.

Solve this for n by dividing 7.5 km into 45 km:

n = 6

There were 6 runners.

Answer:

t=0 and t=5

Step-by-step explanation:

5t = t^2

Subtract 5t from each side

5t-5t = t^2 -5t

0= t^2 -5t

Factor out a t

0= t(t-5)

Using the zero product property

t=0  and t-5 =0

t=0  and  t-5+5=0+5

t=0 and t=5

Answer:

A. 19

Step-by-step explanation:

2(4z -9 -7) = 166 -46

First combine like terms

2(4z -16) = 120

Divide each side by 2

2/2(4z -16) = 120/2

4z-16=60

Add 16 to each side

4z-16+16 = 60+16

4z = 76

Divide each side by 4

4z/4 = 76/4

z = 19

Step-by-step explanation:

the x (hours) is the x axis and the d (dollars) is the y axis. On the x axis count by 1's and on the y axis count by 25's. To plot each point go to hour and then dollars.

Answer:

Use the values in the table to create ordered pairs. Label the x-axis with the independent variable, hours. Label the y-axis with the dependent variable, dollars. Plot the ordered pairs on the graph. If the variables can be represented as fractional parts you can draw a line from the origin that connects the points.

Step-by-step explanation:

sample response

Create a histogram for the data set. Click and drag on the horizontal axis to adjust the heights of the bars.

81, 65, 2, 24, 25, 44, 97, 12, 38, 37

1-20 mark goes on 2

21-40 marks goes on 4

41-60 mark goes on 1

61-80 mark goes on 1

81 -90 mark goes on 1

The histogram for the data set (2, 12, 24, 25, 37, 38, 44, 65, 81, 97) is given below.

A histogram is a graphical depiction of data distribution in statistics. The histogram is made up of a series of neighboring rectangles, each representing a different type of data.

The horizontal axis adjusts the heights of the bars.

81, 65, 2, 24, 25, 44, 97, 12, 38, 37

Arrange the data set in ascending order.

2, 12, 24, 25, 37, 38, 44, 65, 81, 97

Then the histogram for the data set will be given below.

1 - 20 mark goes on 2

21 - 40 mark goes on 4

41 - 60 mark goes on 1

61 - 80 mark goes on 1

81 - 100 mark goes on 2

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