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svetlana [45]
3 years ago
12

Match the property of equality with the corresponding definition given that a = b.

Mathematics
2 answers:
DochEvi [55]3 years ago
7 0

Answer:

See Explanation

Step-by-step explanation:

Given

a = b

Required

Match proper type of equality

Each of the equality properties can easily be identified with their names; For multiplication property of equality, same term must be multiplied on both sides;

For addition, same term  must be added on both sides;

Same thing implies for division and subtraction

Multiplication:

a(c) = b(c)

Subtraction

a - c = b - c

Addition

a + c = b + c

Division

a/c = b/c

dezoksy [38]3 years ago
7 0

..................................................

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If (3a-5b) : (3a+5b)=1:4 then find the value of a:b​
rodikova [14]

Answer:

a : b = 25 : 9

Step-by-step explanation:

(3a - 5b) : (3a + 5b) = 1 : 4

Product of extremes = product  of  means

(3a - 5b) *4 = (3a +5b) * 1    {Distributive property}

3a * 4  - 5b*4 = 3a + 5b

12a - 20b = 3a + 5b

Add 20b to both sides

12a = 3a + 5b + 20b

12a = 3a + 25b

Subtract 3a from both sides

12a - 3a = 25b

9a = 25b

\dfrac{a}{b}=\dfrac{25}{9}

a:b = 25 : 9

5 0
3 years ago
Pyramid A is a square pyramid with a base side length of 18 inches and a height of 9 inches. Pyramid B has a volume of 3,136 cub
Basile [38]

The volume of pyramid B (3,136 in.³) is 323% bigger than the volume of pyramid B (972 in.³).

<h3>What is the Volume of a Square Pyramid?</h3>

Volume of square pyramid = 1/3(a²)h

Given the following:

  • Volume of pyramid B = 3,136 in.³
  • Base side length of pyramid A (a) = 18 in.
  • Height of pyramid A (h) = 9 in.

Volume of square pyramid A = 1/3(a²)h = 1/3(18²)9 = 972 in.³

3,136/972 × 100 = 323%

Pyramid B volume is 323% bigger than the volume of pyramid A.

Learn more about volume of pyramid on:

brainly.com/question/14332950

#SPJ1

7 0
2 years ago
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
2 years ago
HELPPPPPPPPPPPPP!!!!!! 2-10?!? espcially 5,6,8,9,10
emmainna [20.7K]
2-10 = -8       I'm not sure what the 5,6,7,8,9,10 means if you tell me i might be able to help you
3 0
3 years ago
Read 2 more answers
Length of stamp is 3 centimeters and it’s width is 5 centimeters what are the dimensions of the scale picture
Zanzabum
Easy multiply 5 * 3 and it equals 15 there your answer.
8 0
3 years ago
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