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SVETLANKA909090 [29]

4 years ago

9

What is used to repair big brass band instruments

1 answer:

alina1380 [7]4 years ago

5 0

<span> the answer tuba glue!

</span>

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What are the solution(s) of x2-4-0?

Elanso [62]

Answer:

For $x^2 - 4 = 0$ , x = 2, or x = - 2.

Step-by-step explanation:

Here, the given expression is :

$x^2 - 4 = 0$

Now, using the ALGEBRAIC IDENTITY:

$a^2 - b^2 = (a-b)(a+b)$

Comparing this with the above expression, we get

$x^2 - 4 = 0 = x^2 - (2)^2 = 0\\\implies (x-2)(x+2) = 0$

⇒Either (x-2) = 0 , or ( x + 2) = 0

So, if ( x- 2) = 0 ⇒ x = 2

and if ( x + 2) = 0 ⇒ x = -2

Hence, for $x^2 - 4 = 0$ , x = 2, or x = - 2.

4 0

3 years ago

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In circle O, central angle AOB measures

GalinKa [24]

Answer: 6 (pi)

Step-by-step explanation:

Feta/3 = (arc)/Radius

5 0

3 years ago

I kinda need some help as soon as possible I'll give you 20 points

Shtirlitz [24]

Answer:

x= 5

Step-by-step explanation:

20x=100

divide 100 by 20

x=5

8 0

3 years ago

The distance between two towns is 192 kilometers.

MaRussiya [10]

Answer:

The answer is: 120.

Step-by-step explanation:

The give ratio is 5 miles for every 8 kilometers.

Multiply the ratio times 192:

5/8 * 192 =

960 / 8 = 120 Miles

3 0

3 years ago

Translate this sentence into an equation. 99 is the product of Chrissy's age and 9 Use the variable c to represent Chrissy's age

Lana71 [14]

Answer:

$9c=99\\$

Step-by-step explanation:

Product means multipulcation

So it must be 9c = 99

7 0

3 years ago

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