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3 years ago

One-third the sum of 6 and 3

Mathematics

2 answers:

irina [24]3 years ago

8 0

Step-by-step explanation:

1/3(6+3)

= 1/3(9)

= 3

......

mezya [45]3 years ago

4 0

Step-by-step explanation:

6+3=9 a third (⅓) multiplied 9 = 3

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If a piece of ribbon is 6 and 1 over 4. feet long, how long is it in inches?

timama [110]

The piece of ribbon would be 75 inches. The ribbon would be 75 inches because 1 foot would be 12 inches and you would multiply 12 by 6 to get 72. Then, 1/4 of a foot would be 3 inches because you could divide 12 and 4(the denominator you are dealing with) to get 3. Then, add 72 + 3 to get 75. Hope this helps!

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3 years ago

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

Leno4ka [110]

Answer: 11) 1/3

12)1/4

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Arrange the given steps in the correct order to find A and B if A and B are two sets where A – B = {1, 5, 7, 8}, B – A = {2, 10}

GarryVolchara [31]

Answer:

A = {1, 3, 5, 6, 7, 8, 9}

B = {2, 3, 6, 9, 10}

Step-by-step explanation:

Here as given in the question:

A – B = {1, 5, 7, 8} ⇒ {1, 5, 7, 8} is in A not in B.

B – A = {2, 10} ⇒ {2, 10} is in B not in A

A ∩ B = {3, 6, 9} ⇒ {3, 6, 9} is BOTH in A and B.

Step 1:

Set A can also be expressed as : A = (A - B) ∪ (A ∩ B)

Set A can also be expressed as : B = (B - A) ∪ (A ∩ B)

Step 2:

Substituting the values of (A - B) and (B - A)

A = {1, 5, 7, 8} ∪ {3, 6, 9}

B = {2, 10} ∪ {3, 6, 9}.

Step 3:

Finding the UNION of the above two sets, we get:

A = {1, 3, 5, 6, 7, 8, 9}

B = {2, 3, 6, 9, 10}

5 0

3 years ago

Will give 50points Pleasee help urgent!

Lorico [155]

Answer:

a = 10; a = 2

Step-by-step explanation:

Step 1: Use the Pythagorean theorem to solve this equation

1. Orignal eqaution: (a + 2)² + (a - 5)² = (a + 3)²

2. Expand (a + 2)² + (a - 5)² which will give us 2a² - 6a + 29

3. Expand (a + 3)² giving us a² + 6a + 9

4. Simplified equation: 2a² - 6a + 29 = a² + 6a + 9

Step 2: Subtract 9 from both sides

1. 2a² - 6a + 29 - 9 = a² + 6a + 9 - 9

2. Simplify: 2a² - 6a + 20 = a² + 6a

Step 3: Subtract 6a from both sides

1. 2a² - 6a + 20 - 6a = a² + 6a - 6a

2. Simplify: 2a² -12a + 20 = a²

Step 4: Subtract a2 from both sides

1. 2a² - 12a + 20 - a² = a² - a²

2. Simplify: a² - 12a + 20 = 0

Step 5: Use the quadratic formula to solve for a

1. Quadratic formula: a = -b += √b² - 4ac/2a

2. Plug in the correct values: a = -(-12) += √(-12)² + 4(1)(20)/2(1)

3. Simplify the numerator and denominator: 12 += 8/2

4. Final equation: a = 12 - 8/2 or a = 12 + 8/2

5. Hence, the answer is 10 or 2

4 0

3 years ago

Select the property of equality used to arrive at the conclusion<br> If x= 3, then x2 = 3x

Luda [366]

You used the fact that you can multiply both sides of an equality by the same, non-zero constant.

So, if you start with the trivial equality

$x=x$

you can multiply both sides by 3:

$3x=3x$

But if $x=3$ , $3x$ becomes $3\cdot 3$ , which is $3^2$ . So, we have

$3^2=3\cdot 3$

which leads to

$x^2=3x$

if you recall that $x=3$

4 0

3 years ago