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2 years ago

15

Drag the numbers and the parentheses to create an equivalent addition sentence that illustrates the associative property of addi

tion
(3+4)+2=9

1 answer:

adelina 88 [10]2 years ago

8 0

Answer:

It would be (3+2)+4=9

Step-by-step explanation:

you just have to switch to numbers.

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This is a record of a marble being rolled along the ground. what was the marbles average speed for this entire trip brainly

saw5 [17]

The answer is 1.5 m/s

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3 years ago

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Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x).

natima [27]

The table answers for the first equation are
-5.5
-3
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3.5
The table answers for the second equation are
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3 years ago

Find the zeroes of the following equation:

weqwewe [10]

Answer: $\bold{x=\dfrac{1\pm \sqrt5}{2}}$

both zeros are irrational numbers

<u>Step-by-step explanation:</u>

Note: The question would have made more sense if if it was 2/x = x - 1 but I will answer it as written.

$\dfrac{1}{x}=x-1\qquad \text{Restriction: }x\neq 0\\\\\\\text{Cross multiply, simplify, and set equal to zero:}\\1=x(x-1)\\\\1=x^2-x\\\\0=x^2-x-1\\\\\\\text{This is not factorable so you will need to use Quadratic Formula:}\\\\x=\dfrac{-(-1)\pm \sqrt{(-1)^2-4(1)(-1)}}{2(1)}\\\\\\x=\dfrac{1\pm \sqrt5}{2}$

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2 years ago

Are the following proportional? Explain or show<br> your reasoning<br> 3/5 and 18/25

kykrilka [37]

Answer:

No, they are not proportional. 3/5 with equal out to 15/25 by using the method of Least Common Denominator!

Step-by-step explanation:

Hope this helps :)

7 0

2 years ago

If A = (0, 0) and B = (6, 3), what is the length of ? A.7.73 units B.6.24 units C.5.20 units D.6.71 units

ExtremeBDS [4]

Given two points A(x₁,y₁) and B(x₂,y₂) the distance betwen these points will be:
dist(A,B)=√[(x₂-x₁)²+(y₂-y₁)²].

We have these points: A(0,0) and B(6,3); its distance will be:

dist(A,B)=√[(6-0)²+(3-0)²]
=√(6²+3²)
=√(36+9)
=√45 ≈ 6.71

Answer: D. 6.71 units.

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3 years ago

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