There are 80 new houses being built in a neighborhood. Last month, 2/5 of them were sold. This month, 3/4 of the remaining houses were sold. How many houses are left to be sold?

Answers

Answer 1
Answer:

Answer: 12 houses are left to be sold.

Step-by-step explanation: The starting number is 80 units of houses. Last month, 2/5 of them were sold which means, houses sold last month were

Houses sold = 2/5 x 80

Houses sold = 32

If 32 houses were sold, then the houses left over were 80 - 32 which equals 48.

This month, 3/4 of the remaining houses were sold which means 3/4 of 48 houses.

Houses sold = 3/4 x 48

Houses sold = 36

If out of the remainder of 48 houses, 36 were sold, then houses left over would be

Left over = 48 - 36

Left over = 12.

Finally, there were 12 houses left to be sold


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Please Answer!!!!! What is the amplitude of the sinusoidal function m(x)= -3.5 cos x

Answers

Answer:

Amplitude = 3.5

Step-by-step explanation:

The amplitude of a sinusoidal function is one-half of the positive difference between the maximum and minimum values of a function.

Given the cosine function m(x)=-3.5\cos x

The maximum and the minimum values of the function  y=\cos x are 1 and -1, so the maximum and the minimum values of the function m(x) are 3.5 and -3.5.

Positive difference:

3.5-(-3.5)=3.5+3.5=7

Half of the difference:

(1)/(2)\cdot 7=3.5

0.6 is greater than 0.5 or less please help

Answers

.6 is greater than .5 just like how 6 is greater than 5. If it's negative though, its the opposite!
0,6 ...... 0,5

6/10 ..... 5/10

6/10 > 5/10

Your help is much appreciated. Thank you.

Answers

Answer:

A

Step-by-step explanation:

If I am not wrong, the answer is A. If you take the sides of ΔABC and multiply all of the sides by three you get ΔDEF.

If I can get the brainliest that would help me out a lot thanks.

During 2002 a town had a total snowfall of 92 inches, which was an increase of 15% from the previous year. What was the total snowfall in the previous year?

Answers

1.) Divide 92 by 100 so that it can be 100 pieces or 100%  92/100= 0.92
2.) Multiply the 15% be 0.92 to get how much more inches in snow that they got this year than last year.  15 X 0.92= 13.8
3.) Since we have how much more inches of snow they got all we need to do is subtract 13.8 from 92.   92-13.8= 78.2
4.) In the previous year the town had received 78.2in of snow.
                                                              I hope this helps :)
The town received 78.2 inched of snow the previous year 

What integer does 357 need to be divided by to equal -21

Answers

357 needs to be divided by -17 to equal -21.

What is Division?

Division is one type of mathematical operation.

Division consists of four different parts - Divisor, Dividend, Quotient, Remainder.

\mathrm{Dividend=Divisor* Quotient+Remainder}

So here in this problem it is given that,

Quotient = -21

Dividend = 357

Remainder should be 0.

We have to find the divisor for that division.

Let the Divisor be =D, so value of D is to be determined.

By the condition,

357=D*-21+0\n\Rightarrow-21D=357\n\Rightarrow D=(357)/(-21)=-17

So 357 needs to be divided by -17 to equal -21.

Learn more about Division more -

brainly.com/question/1622425

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the answer would be -17. I got this by dividing 375 by -21. i hope this helps!!

1Which circles have an area of 9\pi ^m^(2)?Choose all answers that are correct.

A.
a circle with a radius of 3 m

B.
a circle with a diameter of 6 m

C.
a circle with a radius of 9 m

D.
a circle with a diameter of 9 m

Answers

The answer is letter A.