Mean is 0 (11.5,12.5,-10,-75x)

Answers

Answer 1

Answer:

Step-by-step explanation:

11.5 + 12.5 - 10 - 75*x  = 0

               4  

multiply both sides by 4

11.5 + 12.5 - 10 - 75x = 0     Combine the first 2 terms.

24 - 10 - 75x = 0                 Subtract 10    

14 - 75x = 0                         Subtract 14 from both sides

-75x = - 14                           Divide by - 75

-75x/-75 = -14/75                Do the division

x = 0.187


Related Questions

GENERAL QUESTION for my next math class should i take pre-calc, or intergrated math. which one is easier and which one hasmore answers on here.

Answers

Because integrated math requires skills in trigonometry, I would highly recommend pre calc first

Answer:

I would say you first evaluate your strengths by checking on both the syllabuses. Find what really interests you, your passion. Is it pre-calculus or is it integrated math.

Ability and passion go hand in hand when it comes to the performance.

can help me with this please​

Answers

Answer:

Step-by-step explanation: the answer is 1 because line a and b are paralel so 1 , 5 are the same as well as (2,7)

Answer:

angle 1

Step-by-step explanation:

this is because they are alternating angles.

Use the Exterior Angles Theorem to find the measure of each angle in degrees.​

Answers

You have to begin by using the triangle sum therom. That means Angle DEC would be 64°, Angle D would be 76°, and angle C would be 40°

OFFERING A LOT OF POINTS. please write 2 or
more sentences and explain how you got the answer.
Alaska is the largest state in the United States. The state has an area of approximately 663,000 square miles. Rhode Island is the smallest state in the United States, with an area of approximately 1,000 square miles. Currently, the populations of Alaska and Rhode Island are 732,000 people and 1 million people, respectively. If Alaska had the same number of people per square mile as Rhode Island, what would its population be? In two or more sentences, explain your calculations and conclusions.

Answers

Answer:

Rhode Island has 1,000,000 people within an area of 1000 sq miles.....

1,000,000/1000 = 1000 people per sq mile

Step-by-step explanation:

If Alaska had the same number of people per square mile as Rhode Island, its population would be calculated as 663,000 mi^2 times 1,000 people = 663,000,000 people.

Need Help !!!!!!!!!!!!

Answers

Answer:

C

Step-by-step explanation:

The slope m of the functions give the measure of the rate of change.

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

g(x) = [tex]\frac{5}{2}[/tex] x - 3 ← is in slope- intercept form

with slope m = [tex]\frac{5}{2}[/tex] = 2.5

Calculate the slope of f(x) using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, - 3.5) and (x₂, y₂ ) = (1, - 1) ← 2 points from the table

m = [tex]\frac{-1+3.5}{1-0}[/tex] = 2.5

Hence

The slopes of g(x) and f(x) are both m = 2.5, thus

The functions increase at the same rate → C

A square garden has sides 50 ft long.
You stretch a hose exactly from one
corner of the garden to another
corner across the garden's diagonal.
How long is the hose?​

Answers

Answer:

The hose is ~70.71 ft long.

Step-by-step explanation:

We need to use Pythagorean theorem to figure this out. ( A^2 + B^2 = C^2)

So we first need to square 50 two times, since that's the length and height of the garden. This equals 5000.

Then we just need to find the root of 5000! This rounds out to about 70.71 ft.

Hope I could help! :)

The length of the hose which is ​stretched from one corner of the garden to another corner across the diagonal of it is 70.72 ft

What is the diagonal of the square?

The diagonal of the square is the distance from opposite vertices of it. There are two diagonals in a square which are equal in measure.

To find the diagonal of the square, the following formula is used.

d=a√2

Here, (a) is the length of the side of the square.

The side of a square garden is 50 ft long. One hose is stretch from one corner of the garden to another corner across the diagonal of it. Thus, the length of the diagonal is,

d=a√2

d=(50)√2

d=70.72 ft

Thus, the length of the hose which is ​stretched from one corner of the garden to another corner across the diagonal of it is 70.72 ft

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help me with this one ​

Answers

Answer:

<CDH = 110°

Step-by-step explanation:

Given <1 = 70°

Because BF ║ CD so <1 = <3 = 70° (corresponding angles are equal)

<CDH = 180° - <3

<CDH = 180° - 70°

<CDH = 110°

Answer:

125

Step-by-step explanation:

We are given that <1=70. Using that, we know that <5 also equals 70 because of the definition of vertical angles, we then can find <2 also by subtracting 70 from 180 and dividing it by 2 to get 55. <4=<2 and <6=<5, so using substitution we can get m<CDH=125

Solve the equation for a: ab – ac = d + e

Answers

Answer:

see explanation

Step-by-step explanation:

Given

ab - ac = d + e ← factor out a from both terms on the left side

a(b - c) = d + e ← divide both sides by (b - c)

a = [tex]\frac{d+e}{b-c}[/tex]

Answer:

Step-by-step explanation:

Need Help Please!!!!!!

Answers

I believe it has to be the height of a cricket as it jumps the other ones don’t seem to fit right.

pretty sure it’s the crickets because the others one does not make sense, crickets are known for jumping up and down a lot so i’m pretty sure it’s the cricket

which expression gives the measures of XYZ in the diagram below?

Answers

Answer:b

Step-by-step explanation:

You're answer is b. All you have to do is a measurement

Answer:

B) 1/2 (154° - 46°)

Step-by-step explanation:

Here ∠XYZ is an angle subtended by two chords from a point outside of the circle.

It is a one of the circle.

If the angle subtended by two chords from the outside point of the circle, the measure of the angle is 1/2 times difference of the major arc and minor arc.

Here Major arc = 154° and minor arc = 46°

Applying the rule, we get

m∠XYZ = [tex]\frac{1}{2} (Major arc - Minor arc)[/tex]

m∠XYZ = 1/2 (154° - 46°)

help please with work

Answers

Answer:

200.96 ft²

Step-by-step explanation:

The question is on surface area of a closed cylinder

Formulae= SA=2 ×pi× r² + 2×pi×r×h

Where pi=3.14

SA= 2×3.14×2² + 2×3.14×2×14

SA=25.12+175.84

SA=200.96 ft²

Find the volume of a cylinder with a 9-inch height and a 3-inch radius
(i = 3.14).
A. 35.36 cubic inches
B. 89.78 cubic inches
C. 169.56 cubic inches
D. 254.34 cubic inches

Answers

Answer:

D. 254.34 cubic inches

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2h

Where r = 3 in and h = 9 in

V = (3.14) * (3)^2 *9

V = 254.34 in ^3

Answer:

volume of a cylinder= \pi*r^2*h

81*pi

=254.34 in^3

Find the surface area of the prism.

Answers

Answer:

376

Step-by-step explanation:

2(8x10)=2(80)=160

2(10x6)==2(60)=120

2(6x8)=2(48)=96

160+120+96=376

1) m SUT equals ___ Degrees.

2) m TUW equals ___ degrees

3) TUW is a(n) _____angle

4) SUT is a(n) ____angle

5) TUW and SUT are___ angles

Answers

Answer:

1. 30

2. 150

3. obtuse

4. acute

5. Adjacent

Step-by-step explanation:

The correct expression for the angles are;

1) m SUT equals  30 Degrees.

2) m TUW equals  150 degrees

3) TUW is obtuse angle

4) SUT is acute angle

5) TUW and SUT are Adjacent angles

What are obtuse acte and adjacent angles?

Similar to corners, right angles have a 90° measure. Acute angles are less than ninety degrees. More than 90° but less than 180° are obtuse angles. Additionally, a straight angle is 180°, which is the point at which two lines merge into one by going in the same direction.

Any angle is composed of two rays that converge at a point known as the vertex. When two angles share a ray, it indicates that they are adjacent to one another.

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What is the function rule for the following situation? Rex paid $20 for a membership to the pool and pays $300 each time he goes to the pool
https://brainly.com/question/12669821

Answers

f(x)=20+300x

Also, Rex should find a different pool because that fee is ridiculous.

Final answer:

The function rule in the given situation is a linear function and can be represented as C=20+300x. In this rule, 'C' is the total cost in dollars, '20' is the initial membership fee, '300' is the cost of each pool visit and 'x' is the number of pool visits.

Explanation:

The function rule in this situation is called a linear function. A function rule describes how to convert an input (in this case, the number of times Rex visits the pool) into an output (the total cost).

The function rule for this specific situation could be represented as C=20+300x, where 'C' is the total cost, '20' is the initial membership fee, '300' is the cost each time Rex goes to the couple, and 'x' is the number of times Rex goes to the pool.

So, each time Rex goes to the pool, you would multiply that number by 300 (the cost per visit), and then add 20 (the initial fee) to get the total cost.

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Simplify (a + b )(a^2 - ab + b^2)

Answers

Answer:

a^3 + b^3

Step-by-step explanation:

(a + b )(a^2 - ab + b^2)

Distribute

a*a^2 -a*ab+a*b^2    + b*a^2 -b*ab +b*b^2

Simplify

a^3 -a^2b +ab^2 +a^2b -ab^2+b^3

Combining like terms

a^3 +b^3

Answer:

a^3 + b^3

Step-by-step explanation:

hope this helps you! have a good day/night :D

The principal P is borrowed at a simple interest rater for a period of time t. Find the loan's future value A, or the total amount due at timet. Round answers to the
nearest cent.
P - $7000, r = 7%, t = 6 years

Answers

Simple interest formula:
I=PRT

I(interest money created in dollars)
P(initial amount of money)
R(interest rate as a decimal)
T(time in years)

I=7000(.07)(6)
I=$2,940

Therefore, the future value of A is $2,940

The loan's future amount is $9940

What is simple interest?Simple interest is based on the principal amount of a loan or the first deposit in a savings account.

The formula to calculate Simple interest is :

I=PRT

where,

I(interest money created)

P(initial amount of money)

R(interest rate as a decimal)

T(time in years)

How to find the loan's future value?Loan's future value will be principle amount + the net interest.

I=7000(.07)(6)

I=$2,940

So, the loan's future amount = $7000 + $2940 = $9940

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what is the term that is used for the only number which is neither positive nor negative.

Answers

Answer:

Zero is neither positive nor negative integer and is known as origin.

Plz help me with this

Answers

The minimum y-value is -7.

I'm only a few Brainliests away from ranking up, so one would be much appreciated.

Answer:  A) -7

Step-by-step explanation:

The Asymptote is 1 so the range of the graph is from +1 to -1.

However, there is also a shift down of 6 units, so the range of the transformed graph is from (+1-6 = -5) to (-1-6 = -7).

Therefore, the maximum is -5 and the minimum is -7.

Which of the following are solutions to the equation below? Check all that apply.
9x2 – 64 = 0

Answers

Answer:

x= 8/3 and x= -8/3

Step-by-step explanation:

Remember the difference of two squares method

a²- b²= (a+b) (a-b)

Given;

9x²-64=0

We notice 9 and 64 are in square form thus can be written as

(3x-8) (3x+8)....................................applying the difference in squares method to simplify

Solving for x

(3x-8) (3x+8) =0

3x-8=0

3x=8

x= 8/3

or

3x+8=0

x= -8/3

Answer:

8/3 and -8/3

Step-by-step explanation:

PLEASE HELP RIGHT AWAY!!!!!

Answers

Answer:

1) 46.6

Step-by-step explanation:

Given Data:

s1 of Triangle ABC= 4cm

s2 of Triangle ABC=6cm

s3 of Triangle ABC=8cm

As per the side-side-side SSS of a given triangle

the corresponding angles are found by the following law of cosine formula

cos A = (b2 + c2 − a2) / 2bc

Putting the values we get

cos A= (4^2+8^2-6^2)/2(4)(8)

cos A= (16+64-36)/64

A=cos^-0.6875

A=46.57!

Liliana wants to start a seventh-grade computer club at Hamden Middle School. She surveyed 20 seventh-grade students at the town park. She asked each student how many hours they spend on their computers each week. She obtained the following results.

8, 15, 0, 11, 12, 13, 16, 13, 0, 4, 17, 14, 30, 13, 5, 12, 1, 13, 12, 21

What is the ratio of the total number of students who used their computers to the total number of students surveyed?

Answers

Answer:

Ratio would be 9 : 10

Step-by-step explanation:

Liliana surveyed 20 students that how many hours they spend on their computers each week.

The results are as follows

8, 15, 0, 11, 12, 13, 16, 13, 0, 4, 17, 14, 30, 13, 5, 12, 1, 13, 12, 21

In the above results 2 students did not use computers out of 20 students.

Therefore, The total number of students who used their computers = 20 - 2 = 18

So the ratio would be 18 : 20 or 9 : 10

Answer:

C. 18/20 or 9/10

50 points!!! please have serious answers
Use the data in the following table to answer the 3 questions below. Please show all calculations needed.

Daily Earnings $25 $26.50 $20 $23.50 $20

Find:
1: Median
2: Mean
3: Mode

PLEASE SHOW ALL STEPS

Answers

Answer:

Median: 23

Mode: $20

Mean: The average of numbers added up and then divided, equalling in 23

Write an equation.John bought 6 note books at CVS, he spent a total of $13.50.​

Answers

2.25 per notebook because 13.50/6 = 2.25

Hello There!

6n=13.50

This means that 6 notebooks and some amount represented as n is 13.50

HELP ASAP WILL REQARD BRAINLIEST

GRADUATING THIS WEEK NEED THIS ALL ANSWERED PLZ

1. 14k+k<30
2. 9d-3d+7 > 31
3. 13x-2x>77
4. 5y< 7y + 18
5. 3f-12-10+9f
6. 4t-8< 2t-2
7. 15h+ 16 > 6h-20
8. 4r-2r> 6-​

Answers

Part A

1. 14k+k<30

Add the left hand side to get;

15k<30

Divide both sides by 15.

[tex]\frac{15k}{15}\:<\:\frac{30}{15}[/tex]

k<2

2. We have 9d-3d+7>31

Group similar terms to obtain:

9d-3d>31-7

Combine similar terms:

6d>24

Divide both sides by 6

[tex]\frac{6d}{6}\:>\:\frac{24}{6}[/tex]

This implies that:

d>4

3. We have 13x-2x>77

This implies:

11x>77[tex]\frac{11x}{11} \:>\:\frac{77}{11}[/tex]

x>7

4. We have 5y<7y+18

This implies

5y-7y<18

-2y<18

Divide both sides by -2 and reverse the sign.

[tex]\frac{-2y}{-2} \:>\:\frac{18}{-2}[/tex]

[tex]y\:>\:-9[/tex]

5. The given expression is;

3f-12>-10+9f

Group similar terms:

-12+10>9f-3f

-2>6f

Divide both sides by 6.

[tex]\frac{-2}{6}\:>\:\frac{6f}{6}[/tex]

[tex]-\frac{1}{3}\:>\:f[/tex]

[tex]f\:<\:-\frac{1}{3}[/tex]

6. We have 4t-8<2t-2

Group similar terms;

4t-2t<-2+8

2t<6

t<3

7.  We have

15h+16>6h-20

Group like terms;

15h-6h>-20-16

9h>-36

Divide both sides by 9

h>-4

8. The given inequality is

4r-2r>6-r

This implies

4r-2r+r>6

3r>6

r>2

Part B

x-27=193

x=193+27

x=220

2. The given equation is

f(12)=48

or

12f=48

f=48/12

f=4

3. We have the equation 4s+2=74

4s=74-2

4s=72

s=18

4. The given equation is

9(r+1)-18=2r+12

Expand to get:

9r+9-18=2r+12

Group like terms:

9r-2r=12+18-9

7r=21

r=3

Theo starts with savings of £18
James starts​ with no savings
Each week from now,
Theo will save £4.50 and James will save £4
In how many weeks will Theo and James have savings in the ratio 15:8?

Answers

Answer:

6 weeks.

Step-by-step explanation:

Let x be the number of weeks to be found.

Then  4.5x + 18 / 4x = 15/8

Cross multiply:

36x + 144 = 60x

24x = 144

x =  6  (answer).

Final answer:

In approximately 1.67 weeks (or rounded to 2 weeks), Theo and James will have savings in the ratio 15:8.

Explanation:

We can set up an equation to represent the savings of Theo and James over time. Let x be the number of weeks they have saved. Theo will have saved £4.50x and James will have saved £4x. We can set up the equation:

£4.50x / £4x = 15 / 8

Cross-multiplying the equation gives us:

8 * £4.50x = 15 * £4x

Simplifying the equation gives us:

36x = 60x

Dividing both sides by 36x gives us:

1 = 5 / 3x

Cross-multiplying again gives us:

3x = 5

Dividing both sides by 3 gives us:

x = 5 / 3

Therefore, in approximately 1.67 weeks (or rounded to 2 weeks), Theo and James will have savings in the ratio 15:8.

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choose the correct simplification of (x^2/y^5)^4

Answers

Answer:

x^8/y^20

Step-by-step explanation:

multiply the exponents by 4.

David wants to build a rectangular fencing with the 5 identical parts for his animals. He has 780 feet of fencing to make it. What dimensions of each part will maximize the total enclosed area?

Answers

Answer:

65 ft by 39 ft

Step-by-step explanation:

Let x ft be the length of each part and y ft be the width of each part. The total perimeter of all 5 parts is

[tex]6x+10y=780[/tex]

The length of the large rectangle is 5y ft and the width of the large rectangle is x, so the total area is

[tex]A=x\cdot 5y[/tex]

From the first equation,

[tex]y=78-0.6x[/tex]

Substitute it into the area expression:

[tex]A(x)=x\cdot 5(78-0.6x)=390x-3x^2[/tex]

Find the derivative:

[tex]A'(x)=390-3\cdot 2x=390-6x[/tex]

Equate it to 0:

[tex]390-6x=0\\ \\6x=390\\ \\x=65[/tex]

Then

[tex]y=78-0.6\cdot 65=78-39=39[/tex]

How do I solve each log equation

Answers

When subtracting logs you actually divide.

logx^2 = log 160 - log 2

logx^2 = log (160/2)

logx^2 = log 80

Now remove the log from each side:

x^2 = 80

x = √80

x = 4√5 and -4√5

the height of an equilateral triangle is 4 square root 3. What is the perimeter of the equilateral triangle

Answers

Answer:

The perimeter of the equilateral triangle, P = 24 units

Step-by-step explanation:

All sides of an equilateral triangle are equal. The height of the equilateral triangle is given by :

[tex]h=\dfrac{\sqrt{3} }{2}\times a[/tex]

a is the side of triangle

If the height of an equilateral triangle is, [tex]h=4\sqrt{3}[/tex]

Equation (1) becomes,

[tex]a=\dfrac{2h}{\sqrt{3} }[/tex]

Put h in above formula. So,

[tex]a=\dfrac{2\times 4\sqrt{3}}{\sqrt{3} }[/tex]

a = 8

So, the side of triangle is 8. The sum of all sides is called perimeter of any figure. So,

[tex]P=8\times 3[/tex]

P = 24 units

So, the perimeter of the equilateral triangle is 24 units. Hence, this is the required solution.

Final answer:

To find the perimeter of the equilateral triangle with a height of 4√3, we determine the side length using the relationship between the height and side length of the triangle, and then multiply by three to get a perimeter of 24 units.

Explanation:

The height of an equilateral triangle is given as 4√3. To find the perimeter, we need to determine the length of a side of the triangle. In an equilateral triangle, the height (h) creates a right-angled triangle where the height is opposite to a 60° angle, and the half of a side of the triangle (half-base) is adjacent to it. The relationship is given by the equation h = (a√3)/2, where a is the side length of the equilateral triangle. By substituting the height with 4√3, we get:

4√3 = (a√3)/2 → a = 8

Since all sides of an equilateral triangle are equal, the perimeter is three times the side length, which means the perimeter P = 3 × 8 = 24 units.

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