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dexar [7]
2 years ago
10

Explain why it does not matter what letter or symbol is used to find and unknown number?

Mathematics
1 answer:
boyakko [2]2 years ago
8 0
It dose not matter what letter or symbol to find the unknown number because you are only using something to represent that number.
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A right triangle has legs that are 11 inches and 13 inches long.What is the area of the triangle?
Citrus2011 [14]
Just use your right angled triangle formula.

A=\frac{ab}{2}

Plug n chug 

A=\frac{11*13}{2}
A=71.5 in^{2}
5 0
2 years ago
In which of the following drawings is DE parallel to AC?
Akimi4 [234]

Answer:

its option D because the lines are not even close to crossing.

Step-by-step explanation:

hope this helps :)

5 0
2 years ago
The new post office has an area that is 6.5 times the area of the old post office. Let p represent the area of the old post offi
IrinaK [193]

Answer:

Area = 6.5p

Step-by-step explanation:

Given

Area\ of\ Old = p

Area\ of\ New = 6.5 * Area\ of\ Old

Required

Write an expression for the area of new post office

From the question, we have the following:

Area\ of\ Old = p

and

Area\ of\ New = 6.5 * Area\ of\ Old

Substitute p for Area of Old in the second equation

Area\ of\ New = 6.5 * p

Area\ of\ New = 6.5 p

Hence, the expression is:

Area = 6.5p

5 0
2 years ago
Going 65 mph and going 145 miles. How many hours to reach destination?
evablogger [386]
Where is the starting and stopping point?
3 0
3 years ago
A study of several cities shows a positive correlation between the number of churches and the
gtnhenbr [62]

<u>Answer- </u>

<em>A. More churches lead to more crimes. </em>

<u>Solution-</u>

Properties of Correlation Coefficient,

1- A positive correlation means that if one variable gets bigger, the other variable tends to get bigger.

2- A negative correlation means that if one variable gets bigger, the other variable tends to get smaller.


Here,there is a positive correlation between the number of churches and the city’s crime rate. So as the number of churches increase, the crime rate also gets increased.

3 0
3 years ago
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