What is the difference between constructing and drawing geometric figures? Give a real-world example of each.

Answers

Answer 1

Answer: The difference between constructing and drawing geometric figures is that when constructing a geometric figure, you use compass, protractor, ruler, or any scale with accurate measurement while when drawing geometric figures, you just draw with free-hand. It is not exact in measures.

Answer 2

Answer:

The difference between constructing and drawing geometric figures is as follows:

To construct geometric figure you use many tools like protractor, compass, ruler, scale, square, among others. So you need an accurate representation of the geometric figure. On the other hand, to draw a geometric figure you only need a pencil to do that. You don't need an accurate representation of the geometric figure.

A real-world example of each:

Think about an civil engineer who is constructing a building. He would need many tools to do that. In fact, he would need an building which is an accurate representation of the drawings he made using a software. He would need the accurate measurements and the correct location of each characteristic points of the building. So, this is the construction. On the other hand, when starting with the project, the civil engineer maybe took a paper and began drawing an sketch of his building, he only needed a pencil to do that, so this is the drawing made by hand.

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Brownies are now on sale. Each brownie costs $0.20 less than the original price. Right now, if you buy 8 of them it will cost $15.20

Answers

Answer: The original price of brownie was $2.1 each.

Step-by-step explanation:

since we have given that

Let the original price will be x

Number of brownie purchased = 8

According to question , each brownie costs $0.20 less than the original price.

So, it becomes

$8* (x-0.20)=\$15.20\n\n8x-1.6=15.20\n\n8x=15.20+1.60\n\n8x=16.8\n\nx=(16.8)/(8)\n\nx=\$2.1$

Hence, the original price of brownie was $2.1 each.

At a hockey game, a vender sold a combined total of 176 sodas and hot dogs. The number of sodas sold was three times the number of hot dogs sold. Find the number of sodas and the number of hot dogs sold.

Answers

Answer:

Hot dogs sold: 44

Sodas sold: 132

Step-by-step explanation:

This is is a problem of a system of two equations with two unknowns. This can be solved in multiple ways (the substitution method, the elimination method, the equalization method, the graphic method...) . I will resolve it using the equalization method that is a little bit more practical from my point of view.

First, we have to determine the system by the data we are given:

$\left \{ {{y+x=176} \atop {y=3x}} \right.$

Where:

$y=sodas sold\nx=hot dogs sold$

Secondly, we are going to isolate any variable from both equations. I chose to isolate Y.

$\left \{ {{y=176-x} \atop {y=3x}} \right.$

Thirdly, we equalizate both equations.

$Y= Y$

So we get:

$176-x=3x$

Then we isolate X.

$-x-3x=-176$

$-4x=-176$

$x=-176:(-4)$

$x=44$

So now we know that the number of hot dogs sold was 44! If the sodas sold were three times the number of hot dogs sold, then we know that there were 132 sodas sold at the hockey game!

What is the x-intercept of the line with this equation −2x 12y=18 enter your answer in the box. (?, 0)

Answers

Answer:

x-intercept of the given line is, (-9, 0)

Step-by-step explanation:

x-intercept says that a line crosses the x-axis

Substitute y = 0 and solve for x.

As per the statement:

An equation of line is given as:

$-2x+2y = 18$

To find the x-intercept:

Substitute y = 0 and solve for x:

$-2x+12(0) = 18$

⇒-2x = 18

Divide both sides by -2 we get;

x = -9

Therefore, the x-intercept of the line is, (-9, 0)

I did this test too! The answer was (-9, 0)

Madison’s plant was 10 7/8 inches tall. She trimmed off 2 1/4 inches. How tall is her plant now?thx
edited

Answers

Answer:

Madison's plant is now 8 5/8 inches tall.

Step-by-step explanation:

Solve i=prt if i=105, p=700 & r=0.05

Answers

assuming you're trying to find t, first you would plug in the numbers given to get 105=(700)(.05)t
next, you multiply p and r to get 105=35t
after that, you divide the 105 by 35 to get the final answer of t=3

How do I find the calculated sum of 1/7 and 1/2

Answers

$(1)/(7)+(1)/(2)=(1 * 2)/(7 * 2)+(1 * 7)/(2 * 7)=(2)/(14)+(7)/(14)=(2+7)/(14)=\boxed{(9)/(14)}$

first make the denomenators (bottom numbers) the same

find the smallest number that 7 and 2 can both go into
the number is 14

multiply both by 1 or x/x where x is the same

1/7 times 1 or
1/7 times 2/2=2/14

1/2 times 1 or
1/2 times 7/7=7/14

sum of numbers
2/14+7/14
add numberators (top numbers)
2+7=9
answer=9/14

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