Answer:
mary has 135 coins.
Step-by-step explanation:
let the coins that john has be x
and coin mary than = 3x
according to the question equation is
x + 3x = 180
4x = 180
x = 180 / 4
x = 45
coins mary has = 3x
=3*45
=135
Answer:
yo mama
Step-by-step explanation:
The dimension of the tennis court in the scaled model is 0.6 ft long and 0.3 ft wide.
Given, a rectangular plot of land that is 1,500 ft long and 600 ft wide the scale model of the park measures 7.5 ft x 3 ft.
The actual tennis court must be 120 ft long and 60 ft wide, then we need to find the dimensions of the tennis court in the scale model.
<h3>What is a scaled model?</h3>
A scale model is a physical model which is geometrically similar to an object. Scale models are generally smaller than large prototypes such as vehicles, buildings, or people.
First, divide the original measurements by the scaled ones. We get
1500 ft. ÷7.5 ft = 200
600 ft. ÷ 3 ft. = 200
Now, divide tennis courts actual dimensions by 200. That is
120 ft. ÷ 200 = 0.6 ft
60 ft. ÷ 200 = 0.3 ft
Therefore, the dimension of the tennis court in the scaled model is 0.6 ft long and 0.3 ft wide.
To learn more about scale factor visit:
brainly.com/question/22312172.
#SPJ1
Answer:
It will take 11.9 years for the property value to double.
Step-by-step explanation:
The value of the land is modeled by the following equation:
In which P(t) is the value after t years, P(0) is the initial value and r is the growth rate, as a decimal.
In this problem, we have that:
How long will it take for property values to double?
This is t when 
. So
We have that:
So to find t, we apply log to both sides of the equality.
It will take 11.9 years for the property value to double.
Answer:
13 dollars
Step-by-step explanation:
5 x 2= 10+3=13
