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Anvisha [2.4K]
2 years ago
14

Negative of (-5) does not exist is true or false

Mathematics
1 answer:
Alinara [238K]2 years ago
3 0

Answer:

Negative of 5 exists

It continues in the left part of a number line...

Hence the answer is false it does exist

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Please give me the answers to all three I will mark u brilliant
elixir [45]

Answer:

First know the formula for the area of a circle;

<h2>A = πr^{2}</h2>

Where 'π' represents pi(3.14 or 22/7), and 'r' stands for the radius being squared.

For the first problem, we can see that 12 is our <u>diameter</u>.

And to find the radius, we need to find 1/2 of the diameter (half of the diameter), so;

D/2 = R

Replace with actual values;

12/2 = 6, <u>6</u> is our <u>radius</u>.

Now we plug this into our formula:

A = πr^{2}

A = 3.14(6^2)

A = 3.14(36)

A = <u>113.04 centimetres</u> is the area of the circle.

For the second problem, we can see that 18 is our <u>diameter</u>.

And to convert the diameter into the radius, we do what we did to the past problem, find 1/2 of the diameter.

So;

D/2 = R

18/2 = 9, <u>9</u> is our <u>radius</u>.

Now we plug this into our formula:

A = πr^{2}

A = 3.14(9^2)

A = 3.14(81)

A = <u>254.34 inches</u> is the area for this circle.

For the third problem, we can see that our radius is already given, 5.

So now we just simply and easily plug this into our formula;

A = πr^{2}

A = 3.14(5^2)

A = 3.14(25)

A = <u>78.5 meters</u> is the area for this circle.

4 0
1 year ago
Can someone pls give answer to number 4
katen-ka-za [31]

Step-by-step explanation:

Supplement= 180°- 13°

167° Answer

3 0
2 years ago
Read 2 more answers
What is the length of the diagonal of a 10 foot by 8 foot rectangle?
zloy xaker [14]
Diagonal of a rectangle formula:

Diagonal = √l² + w²
Diagonal = √10² + 8²
Diagonal = √100 + 64
Diagonal = √164
Diagonal = 12.806 feet.

Or you can use the pythagorean theorem. The diagonal of a rectangle is the hypotenuse of a triangle.

a² + b² = c² ; where a and b represents the lengths of the triangle and c is the hypothenuse. In this case, the lengths are 10 ft and 8ft.

10² + 8² = 100 + 64 = 164 ; This represents c².
c = √c² = √164 = 12.806 ft
6 0
3 years ago
Ben bowled 160 and 191 in his first two games. What must he bowl in his third game to have an average of at least 190?​
natita [175]
I don’t understand the question
7 0
1 year ago
Alayna worked 44 hours last week. Her hourly rate is $9.00. Alayna’s gross pay for last week was $
Leni [432]

Answer:

$396

Step-by-step explanation:

Alayna's hourly rate (or pay per hour) is $9.

She worked 44 hours in total last week. To solve, multiply 44 with 9

44 x 9 = $396

Alayna's gross pay for last week was $396.

~

6 0
2 years ago
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