Mathematics College

Help!!!!!!!!!!!!!!!!

Help!!!!!!!!!!!!!!!!

Answers

Answer 1

Answer:

13.8

Step-by-step explanation:

We know that 1 inch is 9.2 miles. The houses are 1.5 inches away. We need to divide 9.2 by 2. We get 4.6. 9.2+4.6=13.8!

13.8

Related Questions

x2 − 15x = −50 A) x = 3, x = 5 B) x = 5, x = 10 C) x = 3, x = −5 D) x = −5, x = −10

Answers

Answer:

x = 10 or x = 5 thus: B is the answer

Step-by-step explanation:

Solve for x over the real numbers:

x^2 - 15 x = -50

Add 225/4 to both sides:

x^2 - 15 x + 225/4 = 25/4

Write the left-hand side as a square:

(x - 15/2)^2 = 25/4

Take the square root of both sides:

x - 15/2 = 5/2 or x - 15/2 = -5/2

Add 15/2 to both sides:

x = 10 or x - 15/2 = -5/2

Add 15/2 to both sides:

Answer:  x = 10 or x = 5

8. A cent is 0.01 of a dollar

Answers

Answer:

Yes

Step-by-step explanation:

A dollar = 100 cents

1 cent : 100 cents

= 1/100

= 0.01

Right ? Or wrong help

Answers

Answer:

I think thats right

Step-by-step explanation:

least common denominator
-7/x and-5/6x^2

Answers

Answer:

6x^2

Step-by-step explanation:

The LCD of x and 6x^2 is 6x^2

Helpppp!!!!!!! I will give brainliest and extra points!!! Be fast!!
:
Mary weighs n kg while her sister weighs 15 kg less. How many times is Mary heavier than her sister?

Answers

Answer:

n= 15

Step-by-step explanation:

what is their combined weight?

please help someone dumb

Answers

Answer:

just look for a ratio to ration it out so it will be simple

Step-by-step explanation:

What is the result when the number 43 is decreased by 2.6%?

Answers

Answer:

41.882

Step-by-step explanation:

43 x 2.6% is 1.118, and when you subtract that from 43, you get 41.882.

Answer:

41.882

Step-by-step explanation:

43*97.4% = 41.882

The table shows equivalent ratios. Find the missing numbers in the table.

Answers

The ratio is 1:4, so to find the second number in each set all you have to do is multiply by four.

So,

2 : 8
(2x4=8)

8 : 32
(8x4=32)

Find the value of each of the following.Increase 60 by 35 percent

Answers

Answer:

the new value is 81.

Step-by-step explanation:

Answer:

81

Step-by-step explanation: its kind of hard to explain but thats the answer:)

PLS HELP WITH THIS QUESTION DONT UNDERSTAND

Answers

Answer:

x-int (-3, 0); y-int (3, 0)

Step-by-step explanation:

The x-intersect is where the points intersect the x-axis, while the y-intersect is where the points intersect the y-axis.

Can someone please help me with this, I don't have much time!!!

Answers

Answer:

x=8.3 y=16.1

Step-by-step explanation:

87+12y+-7=180

29+9x+6=180

just add like terms then solve

A real estate agent believes that the value of houses in the neighborhood she works in has increased from last year. To test this claim, she selects random houses in this neighborhood and compares their estimated market value in the current year to their estimated market value in the previous year. Suppose that data were collected for a random sample of 8 houses, where each difference is calculated by subtracting the market value of the previous year from the market value of the current year. Assume that the values are normally distributed. The agent uses the alternative hypothesis Ha:μd>0. Using a test statistic of t≈7.496, which has 7 degrees of freedom, determine the range that contains the p-value.

Answers

Answer:

The range is  [tex]-0.00007 < p-value < 0.00007[/tex]

Step-by-step explanation:

From the question we are told that

    The sample size is  n =  8

    The null hypothesis is  [tex]H_o : \mu_d = 0[/tex]

     The alternative hypothesis is  [tex]H_a : \mu_d > 0[/tex]

      The test statistics is  [tex]z \approx 7.496[/tex]

      The degree of freedom is  [tex]df = 7[/tex]

Generally the p-value is mathematically represented as

       [tex]p-value = P(Z > 7.496 )[/tex]

Generally from the t distribution table

(Reference  -

danielsoper(dot)com(slash)statcalc(slash)calculator)  

the value of  [tex]P(Z > 7.496 )[/tex] at a degree of freedom 7 is

      [tex]P(Z > 7.496 ) = t_{7.496 , 7 } =0.00007[/tex]

So the range that contains the p -value is  

        [tex]-0.00007 < p-value < 0.00007[/tex]

     

Natalie has a budget of $15,000 dollars to spend on tracking devices to study bison. A radio tracker costs $650 and a GPS tracker costs $1400. Natalie wants to buy at least 9 radio trackers and more than 3 GPS trackers. The following system of inequalities represents this situation, where x is the number of radio trackers and y is the number of GPS trackers. x ≥ 9 y > 3 650x + 1400y ≤ 15000

Answers

I think its Cheap GPS trackers can be purchased from stores such as Walmart or Target. They can also be purchased from electronics stores such as Best Buy.

If y = 20 inches, z = 21 inches, and h = 11 inches, what is the area of the object?

Answers

Answer:

1742 inches squared

Step-by-step explanation:

Surface Area = 2×(20×21 + 20×11 + 21×11) = 1742 inches2

Did I graph this correctly?

Answers

Answer:

no you did not graph it correctly

Step-by-step explanation:

put the line straight down 4 on the right side

Hello!


X = 4 , X should be on the 4. There is no Y. So Y would be zero.


The order pair is [0,4]

So yes you got it correct!

Hope this helps!

- Bambi

An airplane travels at a speed of 582 miles per hour to reach its destination in 4 hours. Determine the duration of the flight, if the airplane travels at a speed of 388 miles per hour.

Answers

Answer: 6 Hours

Step-by-step explanation:

It takes 6 hours to reach the destination when traveling at 388 mph.

Speed is the ratio of total distance traveled to the total time taken It is given by:

Speed = distance/time

Given that it takes 4 hours to reach a destination when travelling at 582mph, hence the distance is:

582 = distance / 4

distance = 2328 miles

If travelling at 388 mph, the time is:

388 = 2328 / time

time = 6 hours

Hence it takes 6 hours to reach the destination when traveling at 388 mph.

Answer:

the answer is 6

Step-by-step explanation:

speed is the ratio of total distance traveled to the total time taken It is given by: speed = distance/time

given that it takes 4 hours to reach a destination when travelling at 582 mph, hence the distance is:

582 = distance / 4

distance = 2328 miles

if travelling at 388 mph, the time is:

388 = 2328 / time

time = 6 hours

which of the following should not be used as a guideline for making a purchase​
A. you budgeted for it
b. you can afford it
c. you need it
d. you want it

Answers

Answer: d.) You want it

Step-by-step explanation:

People want a lot of things that they don't really need, can't afford, and haven't budgeted for.

That how they build debt that may take years to pay off!

Answer:

Which of the following should not be used as a guideline for making a purchase?

a.  ) You budgeted for it.

b. )  You can afford it.

c.)   You need it.

d.  )  You want it.  <<<---Correct

Step-by-step explanation:

Edge 2021

What kind of triangle has sides that have length 4, 8, and 10? ( the triangle acute, right, or obtuse ?)

Answers

Answer:

acute because your a cutie

Step-by-step explanation:

A congressional committee of 2 Republicans and 2 Democrats is to be formed. How many ways can the committee be formed if there are 11 Republicans and 9 Democrats to select from?

Answers

maybe you have to do 2*11 and 2*9

What is the answer?

Answers

Answer:

C

Step-by-step explanation:

Volume = 0.5 * Base * Height * Length

You have to multiply by 0.5 because it is a Triangular prism

base(b) = 4.1

Height (h) = 7.2

Length (l) = 3.5

Plug in the numbers to the equation below and you get 51.66

Hope this Helps! :)

ion know this shi........

Answers

Answer:

area of field = 146.24 m²

Step-by-step explanation:

Total area of field = I + II + III

Total area of field = 64 + 32 + 50.24

Total area of field = 146.24 m²

128,955 round to the nearest ten thousand

Answers

Answer:

128,955 rounds to 130000 i believe

Step-by-step explanation:

1/3 times pi times three cubed times nine

Answers

Answer:

254.469004941

Step-by-step explanation:

So 1/3 * 3.14 * 3^3 * 9 = 84.78

Solve for x. PLEASE HELP ME

Answers

x=36 is the answer:)

Keisha collected a total of $ 108 selling cookies for her scout troop. If the cookies cost $4 per box, how many boxes did she sell?

Answers

Answer:

27

Step-by-step explanation:

108/4=27

Determine the Future Value (FV) of your account, after 2 years, if you invest $7580 in an account that pays a simple interest of 6%.

Answers

Answer:

8489.6

Step-by-step explanation:

We know that:

[tex]T=2\\ P=7580\\ R=6\ percent[/tex]

Substitute into formula

[tex]T=2\\ P=7580\ into\ formula\\ R=6\ percent\\ F=P+prt\\ F=7580+7580rt[/tex]

Calculate

[tex]7580\times(1+0.06\times2)[/tex]

Calculate the product or quotient

[tex]7580\times(1+0.12)[/tex]

Calculate the sum or difference

[tex]7580\times1.12[/tex]

Calculate the product or quotient

[tex]8489.6[/tex]

I hope this helps you

:)

Mia has 24 yards of ribbon. She gave 10 yards to her sister. Mia now wants to work on a project that requires 2 1/4 yards of ribbon per project. What is the greatest number of projects that Mia can complete with this ribbon?

Answers

Answer:

7.25

Step-by-step explanation:

This diagram shows a park's walking path in the shaded area.

The outside circumference of the walking path is 50.24 meters and the inside circumference of the walking path is 25.12 meters.

What is the area of this walking path?

Use 3.14 for π.

Enter your answer as a decimal in the box.
Point theif = ban

Answers

Answer:

150.72 m²

Step-by-step explanation:

To find the shaded area, calculate the area of the smaller (white) circle and subtract it from the area of the larger circle.

-------------------------------------------------------------------------------------------

Formulae

Area of a circle = [tex]\pi r^2[/tex]Circumference of a circle = [tex]2\pi r[/tex]

(where [tex]r[/tex] is the radius of the circle)

-------------------------------------------------------------------------------------------

Area of large circle

Given:

circumference = 50.24 m[tex]\pi[/tex] = 3.14

⇒ 50.24 = 2 × 3.14 × r

⇒ r = 8 m

Therefore:

⇒ Area = 3.14 × 8²

             = 200.96 m²

-------------------------------------------------------------------------------------------

Area of small circle

Given:

circumference = 25.12 m[tex]\pi[/tex] = 3.14

⇒ 25.12 = 2 × 3.14 × r

⇒ r = 4 m

Therefore:

⇒ Area = 3.14 × 4²

             = 50.24 m²

-------------------------------------------------------------------------------------------

Area of shaded path

area = area of large circle - area of small circle

        = 200.96 - 50.24

        = 150.72 m²

-------------------------------------------------------------------------------------------

As part of a survey, 75 people were asked to name their favorite sport. The results showed that 25 of the people named basketball as their favorite sport. What percentage of the people in the survey named basketball as their favorite sport?

Answers

Answer:

33.33 repeating

Step-by-step explanation:

because 75 divided by 25 is 3 so it is 1/3

can someone please help me

Answers

Answer: X=6 AB= 52

Step-by-step explanation:

7x + 10 = 9x -2 (because the sides are equal) & solve.

subtract the 7x on both sides.

10 = 2x -2

add 2 on both sides

12 = 2x

divide by 2

x = 6

Answer:

x = 4

AB = 52

Step-by-step explanation:

The dashes on the line segments AB and BD mean that they are equal in length.

⇒ 7x + 10 = 9x - 2

Add 2 to both sides:

⇒ 7x + 10 + 2 = 9x - 2 + 2

⇒ 7x + 12 = 9x

Subtract 7x from both sides:

⇒ 7x + 12 - 7x = 9x - 7x

⇒ 12 = 2x

Divide both sides by 2:

⇒ 12 ÷ 2 = 2x ÷ 2

⇒ 6 = x

⇒ x = 6

Substitute x=6 into the expression for AB to find the length of AB:

⇒ AB = 7(6) + 10

⇒ AB = 42 + 10

⇒ AB = 52

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