There are 60 new houses being built in a neighborhood. Last month, 1/4 of them were sold. This month, 1/5 of the remaining houses were sold. How many houses are left to be sold.

Answers

Answer 1

Answer:

36

Step-by-step explanation:

Number of new houses  = 60

Number of houses sold last month = (1/4) of 60

                                                          [tex]= \frac{1}{4}*60[/tex]

                                                          = 15

Remaining houses  = 60 - 15 = 45

Number of houses sold this month = (1/5) of 45

                                                          [tex]=\frac{1}{5}*45\\\\= 9[/tex]

Number of houses that are left = 45 - 9 = 36


Related Questions

n = 2, a = 16


"Find the indicated real nth root(s) of a.

Answers

x^n = a
x^2 = 16
Square root of 16 = 4
The root is 4

The value of the indicated real nth root(s) of a will be 4.

What is square root of a number?

A square root of a number is a value that multiplied by itself gives the same number.

Given that;

The values are,

⇒ n = 2, a = 16

Now,

Since, We know that;

The indicated real nth root(s) of a = [tex]\sqrt[n]{a}[/tex]

Here, The values are,

⇒ n = 2, a = 16

Thus, The indicated real nth root(s) of a is,

⇒ [tex]\sqrt[n]{a}[/tex]

⇒ ²√ 16

⇒ 4

Thus, The indicated real nth root(s) of a = 4.

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Which of the following offers the least price per ounce of shampoo?
A) $6 for 8 ounces of shampoo
B) $4 for 5 ounces of shampoo
C) $8 for 12 ounces of shampoo
D) $12 for 16 ounces of shampoo

Answers

B because 5/4 = 1.25 per ounce

The required offer is the least price per ounce of shampoo is $8 for 12 ounces of shampoo. Option C is correct.

Given that,
To determine the offer the least price per ounce of shampoo.

What is the Ratio?

The ratio can be defined as the proportion of the fraction of one quantity towards others. e.g.- water in milk.


Here,
A) $6 for 8 ounces of shampoo
6 / 8 = $0.75 per ounces of shampoo

B) $4 for 5 ounces of shampoo
4/ 5 = $0.80 per ounces of shampoo

C) $8 for 12 ounces of shampoo
8/12 = $0.67 per ounce of shampoo

D) $12 for 16 ounces of shampoo
12/16 = $0.75 per ounce of shampoo

Thus, the required offer is the least price per ounce of shampoo is $8 for 12 ounces of shampoo. Option C is correct.

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Which linear regression equation best fits the given points?

(1,18), (4,15), (5,11), (8,9), (10,7), (13,4), (15,0)

yˆ=65x+19.2
yˆ=56x−19.2
yˆ=−65x+18.9
yˆ=−56x−18.9

Answers

Answer:

Here you go! Hope I am not to late..

Step-by-step explanation:

I took the test.

Toby works at an amusement park. He loads 10 new passengers onto the roller coaster every
3
4
of a minute. At what rate does Toby load passengers?

Answers

Answer:

13 1/3

Step-by-step explanation:

10 divided by 3/4 =10 times 4/3 =40 /3 = 13 1/3

sorry don´t really know how to explain my work i just kinda do it .plus it was on my homework .

Answer:

13 1/3

Step-by-step explanation:

can someone answer these?

Answers

Answer:

1. SSS

2.SSA

3.ASA

Step-by-step explanation:

For number one there is three congruent sides with the on in the middle

For number two there is two sides and one angle congruent

And number three has an embedded side between the two angles

an eight pack of juice cost 4.49 and a 12 pack of juice costs 6.59 which is one the better buy?

Answers

Answer:

12-pack

Step-by-step explanation:

We find the unit cost of each one by dividing its price by the number of juice containers.

4.49/8 = 0.56125

6.59/12 = 0.5491666...

The 12-pack has a lower unit cost, so the 12-pack is a better buy.

Use the Distributive Property to simplify
1/7 x (56 - 1/4)
Leave your answer in simplest form in the form of a/b − c/d

If one of your numbers is a whole number, put a 1 in that denominator

Answers

well what i got was:

the exact form: 233/28

decimal form: 7.96428571...

mixed number form: 7 27/28

not sure if this is right at all but i hope it helps at least a little

hi

1/7 * (56 -1/4) =   56/7 - 1/28  =   224/28 - 1/28 =  223 /28  

as 223 is  prime, it's cannot be simplified.   however  it 7 +27/28

-4(5x - 3) + 15
Solved please!

Answers

Answer:

Step-by-step explanation:

-20x + 12 + 15

-20x + 27

I think the answer is 75

Is it a nonlinear or a linear

Answers

Answer: linear



Step-by-step explanation:

-Hope this helps :D

Anthony receives $12 in allowance every week.He currently has $492 saved.How many weeks has he been saving?

Answers

Answer:

He has been saving for 41 weeks.

Step-by-step explanation:

492 is the total, we need to divide 492 by 12 to get how many weeks, 41 is the answer

Please help me I beg you I really need help.

Answers

Answer:

what's that ,we are all ears

ANSWER ASAP!
What is the result when the number 30 is decreased by 20%?

Answers

Step-by-step explanation:

it would be 24.........

24, 20% of 30 is 6, so 30-6 is 24... hope this helps and give thanks plsss!!

A store manager created this table representing the relationship between the reported number of snow days during a given month, x, and the sales revenue of bags of rock salt, y, rounded to the nearest dollar.

Using the linear best-fit model for the data, what is the predicted sales revenue of rock salt given there were 11 snow days in the month?

$773.00
$1,374.00
$1,457.00
$1,474.00

Number of snow days

Rock salt sales revenue
2 $823.00
1 $725.00
3 $943.00
5 $1,086.00
4 $997.00
3 $951.00
7 $1,163.00
6 $1,098.00

Answers

Answer:

1374.00

Step-by-step explanation:

I just took the test

oh this is for k12 students by the way

Sammy deposits $200 in an account at his bank.The simple interest rate is 8%.How much interest will he earn in three years

Answers

Answer:

$48

Step-by-step explanation:

Multiply 200 by 0.08 or 8%. That is how much interest he will earn in a year. Then multiply the product by 3.

please help - it neeeeddd this - im going to fail - i will give you a lot of points

Answers

The answer is one of the last two. I am pretty sure that it is corresponding but I could be wrong.

Answer:

389202838

Step-by-step explanation:

Let f(x) = 16 – x^2, g(x) = 4 – x. Find (fg)(x) and its domain.

Answers

Answer:

x+4; all real numbers except =-4

Step-by-step explanation:

f(x)/g(x) = (x2-16)/(x+4)

The domain is all real numbers except x = -4 (because the denominator is zero at x = -4 and division by zero is undefined.)

We can simplify by factoring the numerator:

(x2-16)/(x+4) = (x-4)(x+4)/(x+4) = (x-4)

The domain is the same as the original expression: all real numbers except x = -4

Write an equation perpendicular to x-3y=3 passes through (5,-9)

Answers

3y=x-3
y=1/3x-1
Perpendicular slope: -3
y=-3x+b
Plug in the coordinates in the equation:
-9=-3(5)+b
-9=-15+b
4=b
Equation: y=-3x+4
Also, when finding the perpendicular slope you take the reciprocal of the original slope and make it negative if it is positive and make it positive if it’s negative.

 Equation of a line perpendicular to x - 3y = 3 will be y = -3x + 6.

    If two lines having slopes [tex]m_1[/tex] and [tex]m_2[/tex] are perpendicular, property of perpendicular lines shows,

[tex]m_1\times m_2=-1[/tex]

Line given in the question is,

x - 2y = 3

-2y = 3 - x

[tex]y=\frac{1}{3}x-1[/tex]

Slope of this line is,

[tex]m_1=\frac{1}{3}[/tex]

Therefore, slope of the perpendicular line to the given line will be,

[tex]\frac{1}{3}\times m_2=-1[/tex]

[tex]m_2=-3[/tex]

Equation of a line passing through a point (h, k) and slope 'm' is given by,

y - k = m(x - h)

Therefore, equation of a line passing through (5, -9) and slope (-3) will be,

y - (-9) = -3(x - 5)

y + 9 = -3x + 15

y = -3x + 6

      Hence, equation of the line perpendicular to x - 3y = 3 will be y = -3x + 6.

Learn more,

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what is the meaning of function

Answers

Answer:

A relationship or expression involving one or more variables

Step-by-step explanation:

Tony rents a bike that costs $4 per hour and $10 for the lock. He has $32 to spend. How long can he rent the bike? Write an equation that represents this situation. Be sure to explain how you got your equation and specify what the variables represent.

Answers

Answer:

5 hours; 4x+10=32

Step-by-step explanation:

4x = 4 multiplied by the amount of hours

10 = the cost for the lock

so y = 4x+10

In this case y= 32 so plug it in

4x+10=32

    -10  -10

4x=22

/4   /4

x=5.5

So assuming you can only rent whole hours, it would be 5 hours

Hope this helps.

Answer:

he can rent the bike for 5 hours

Step-by-step explanation:

32-10=22

22*4=5

I’m not quite sure what the answer to this is... some help would be nice! :)

Answers

Answer:

x = total animals

.53x + .28x + .16x +6 = x

.97x +6 = x

6 = .03x

x = 200 total animals

Step-by-step explanation:

PLEASEEEEEEEEEEE HELP MEH WILL GIVE BRAINLIST PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE HURRYYYYYYYYYY

Answers

Answer:

the awnser is b

.........

PLS HURRY!
Which statement is true about the polynomial
5s6t2 + 6st9 – 8s6t2 – 6t7 after it has been fully simplified?

It has 3 terms and a degree of 9.
It has 3 terms and a degree of 10.
It has 4 terms and a degree of 9.
It has 4 terms and a degree of 10.

Answers

A is the correct answer 3 terms and a degree of 9:)

each chicken has 2 legs. how many legs are there in a group of 9 chickens? show how you decided

Answers

Answer:

18 legs

Step-by-step explanation:

2 legs 9 chickens.

2*9 which is 18.

Hope this helps ;D

What is the value of X in this Diagram

I will give a brainlist for the correct answer

Answers

Answer: 31°

Step-by-step explanation:

180° - 149° = 31°

Simplify the sum. (10x^5+1x+8)+(2x^5+8x^2+4)

Answers

Answer:

12x^5 + 8x^2 + x + 12

Step-by-step explanation:


The value of a school bus reduces from $512000 to $343000 in 3 years. Find the
uniform rate of depreciation per annum (R).​

Answers

Hope this helps!!!!!!!!!!!!!!!!!!!

What does one equal 10+ b over 25 equal

Answers

Answer:

b is 15.

Step-by-step explanation:

Trust me on this, The answer could only be 15 when solving for b. Hopefully that helps.

The answer is 15 because that is what it is.

An experiment involves studying the composition of genders of a set of triplets. What is the probability that there are 2 boys and a girl in the set?

Answers

Answer:

shoot man couldnt tell ya

Which statement is TRUE for the given triangles? A) The triangles are similar because the ratios of the corresponding sides are the same. B) The triangles are not similar because they are not the same size. The triangles are not similar because they are not equilateral. D) Similarity cannot be determined because angle measurements are not given.​

Answers

Similarity cannot be determined because angle measurements are not given.​ Option D is correct.

Given that,
A figure is shown we have to determine whether the given triangles are similar or not.

What are Similar triangles?

Similar triangles are those triangles that have similar properties,i.e. angles and proportionality of sides.

Here,
The ratio of the sides is not equivalent,
70/13 ≠ 42 / 25 ≠ 94 / 30
and also the angles are not given,

Thus, similarity cannot be determined because angle measurements are not given.​ Option D is correct.

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If I read 4 pages of a book in 5 minutes, how many pages did I read per minute?

Answers

Answer:

about a half a page

Step-by-step explanation:

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