Which of the following expresses the ratio of 3 inches to 2 yards?(A) 3 : 12
(B) 3 : 72
(C) 3 : 9
(D) 3 : 24
(E) 3 : 2

Answers

Answer 1
Answer: 1\ yard=36\ inches\n ratio:3\ inches:2\ yards\n 2\ yards=72\ inches\n \n ratio: 3:72[inches]\n The\ correct\ answer\ is\ B.
Answer 2
Answer:

Answer:

E

3 :2

if inhes

then D


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Which friend has greatee elevation & which friend is father from sea level?

Answers

Greater elevation: Howard
Closer: Peter

There are 81 new houses being built in a neighborhood. Last month, 1 over 3 of them were sold. This month, 2 over 3 of the remaining houses were sold. How many houses are left to be sold?

Answers

81 houses total.

(1)/(3) of 81 (27) sold last month.

81 - 27 = 54 houses remaining.

(2)/(3) of 54 (36) sold this month.

54 - 36 = 18 houses remaining.

There are 18 houses left to be sold.

Final answer:

There were 81 new houses. Initially, 1/3 of them were sold, leaving 54 houses. Later on, 2/3 of the remaining houses were sold, leaving a total of 18 houses left to be sold.

Explanation:

The subject of this question is Mathematics and it appears to be suitable for a Middle School level. The problem is about understanding fractions applied to a real-life situation, specifically the sales of new houses in a neighborhood.

Let's begin by working out how many of the 81 houses were sold last month. Because the question states that '1 over 3' were sold, this equates to 81 divided by 3, which is 27 houses. We then deduct this number from the total of 81 to find the remaining houses. So, 81 - 27= 54 houses remained.

In this month, '2 over 3' of the remaining houses were sold. So, we calculate 2/3 of 54. Multiply 54 by 2 and then divide this by 3 to get 36 houses being sold this month.

Subtracting these 36 houses from the remaining 54 (i.e., 54 - 36), we find that there are 18 houses left to be sold.


Learn more about Fraction Calculation here:

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Evaluate d/2 + c/3 for c = 6 and d = 10

a) 10
b) 16/5
c) 7
d) 6

Answers

d/2 + c/3

10/2 + 6/3

5+6/3

=5+2

=7



An item regularly priced at $80 is on sale for 20% off. There is a 3% sales tax. What is the sale price before sales tax?

Answers

Answer:

The answer is $64.

Step-by-step explanation:

An item regularly priced at $80 is on sale for 20% off.

This amount becomes:

0.20*80=16 dollars

So, price after discount is 80-16=64 dollars

Given is that there is a 3% sales tax.

So, sales tax must have been applied to $64 before final bill.

And we have to tell the sale price before tax, so the answer is $64.

Therefore, the answer is $64.

the sale price before the sale tax is $ 60 and the sales taxes will be $ 180

What do you call tha tool that can be used to collect data?__________

Answers

Answer:

pendrive, memory, chip

The amount of money in an account with continuously compounded interest is given by the formula A = Pert , where P is the principal, r is the annual interest rate, and t is the time in years. Calculate to the nearest hundredth of a year how long it takes for an amount of money to double if interest is compounded continuously at 3.1%. Round to the nearest tenth.

Answers

A=future amount
P=present amount
r=rate in decimal
t=time in years


when A=2P, then that is double
A=Pe^(rt)
2P=Pe^(rt)
divide by P
2=e^(rt)
r=3.1% or 0.031 solve for t
2=e^(0.031t)
take the ln of both sides
ln(2)=0.031t
divide both sides by 0.031
(ln(2))/0.031=t
use calculator
22.359=t
round to tenth
22.4 years to double
It will take approximately 1.04 years to double the principal amount.