Why are circles so important to constructions?

Answers

Answer 1

Answer: Its a way to find a range of length without using exact measuments (if your using a compass)
Also you need to know constructions for the weekly tests so your school can get more money

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PLZ HELP ME IF YOU ARE A MR.BEAST FAN. The sum of 7 and 5 times a number is 48. What are the two numbers? What is the equation and the solution of the question.

Answers

Answer:

I´m not a Mr. Beast fan but the answer is 4. 4*12 (which is the sum of 7 and 5) = 48

The equation is (7+5)x=48

Answer:

i am a big fan here is the answer (7+5)x=48

Step-by-step explanation:

Find the product. Do not round.

2.78 · 9.3 =

Answers

Answer:

25.854

Step-by-step explanation:

We are given that

$2.78\cdot 9.3$

We have to find the given product.

To find the product we will remove the decimal.

In 2.78 when we remove the decimal then we write 100 in denominator because here is decimal after two digit from right side.

In 9.3, when we remove the decimal then we write 10 in denominator because decimal after one digit from right side.

$(278)/(100)* (93)/(10)$

Multiply numerator with numerator and denominator with denominator

$(25854)/(1000)=25.854$

We write decimal after three digits from right side because denominator is 1000.

Hence, $2.78\cdot 9.3=25.854$

the answer is 25.854

4.5ft is what circumference of a circle

Answers

Formula for the circumference of a circle is
1). 2 • 3.14 (pi) • r
Or
2) d • 3.14
In this case I'm using #1
Plug in the numbers

2 • 3.14 • 4.5= 28.26

Peggy had four times as many quarters as nickels. She had $2.10 in all. How many nickels and how many quarters did she have?Which of the following equations could be used to solve the problem?

Answers

value of the coin times number of coins summed up equal total value
so since we have "$2.10 in all"...
0.05n + 0.25q = 2.10

and we are told that there are "four times as many quarters as nickels"
this translates to
q = 4n

0.05n + 0.25q = 2.10
and
q = 4n
are your two equations that could be used to solve this problem

if you would like to know how many nickels and how many quarters there are, plug in q = 4n into the first equation and get
0.05n + 0.25(4n) = 2.10

multiply
0.05n + 1n = 2.10

add like terms
1.05n = 2.10

divide both sides by 1.05
n = 2.10/1.05 = 2

then plug that back into
q = 4n
so
q = 4(2) = 8

therefore you have
2 nickels
and
8 quarters

What does the line x= 2 look like?

Answers

X = 2 means for whatever y value you select the x value will be 2. So if you graph a couple of coordinates it becomes quickly evident that x = 2 is a vertical line that crosses the x axis at 2.

x = 2

This would show a vertical line crossing the x axis at 2.

Since y = 0, there is no y intercept, which means it does not cross the y axis.

Please help i need answers

Answers

Answer:

Step-by-step explanation:

the bottom one would be 12x27 shape

the middle one would be 8x18 shape

the top one would be 9x4 9x4 shape

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