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2 years ago

What would happen if addition were not associative?

Mathematics

1 answer:

bixtya [17]2 years ago

8 0

Answer:

B, C, and D........................

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Can someone please help me with this thank you so much :)

zavuch27 [327]

Answer:

Step-by-step explanation:

Use a calculator to find sin-¹ of 0.5

6 0

2 years ago

What’s the slope of the line?

ivolga24 [154]

Answer:

$m=\frac{3}{4}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Find points from the graph.

Point (0, -1)

Point (4, 2)

Step 2: Find slope m

Substitute: $m=\frac{2+1}{4-0}$
Add/Subtract: $m=\frac{3}{4}$

And we have our final answer!

3 0

2 years ago

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Ten people put 63 boxes on a red truck and 38 boxes on a blue track About how many boxes did they load in all

jekas [21]

Answer:

63+38=101

Step-by-step explanation:

7 0

2 years ago

What is the following quotient? 5/√11-√3

kati45 [8]

ANSWER

$\frac{5( \sqrt{11} + \sqrt{3} )} {8}$

EXPLANATION

The given rational function is

$\frac{5}{ \sqrt{11} - \sqrt{3}}$

We need to rationalize the denominator by multiplying both the numerator and the denominator by the conjugate of

$\sqrt{11} - \sqrt{3}$

which is

$\sqrt{11} + \sqrt{3}$

When we rationalize we obtain:

$\frac{5( \sqrt{11} + \sqrt{3} )}{(\sqrt{11} - \sqrt{3} )( \sqrt{11} + \sqrt{3} )}$

The denominator is now a difference of two squares:

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

We apply this property to get

$\frac{5( \sqrt{11} + \sqrt{3} )}{( \sqrt{11}) ^{2} - ( \sqrt{3}) ^{2} )}$

$\frac{5( \sqrt{11} + \sqrt{3} )}{11 - 3}$

This simplifies to

$\frac{5( \sqrt{11} + \sqrt{3} )} {8}$

$\frac{5 } {8}\sqrt{11} + \frac{5 } {8}\sqrt{3}$

8 0

2 years ago

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F(x)=−x 2 −7x Find f(−10)

djyliett [7]

Answer:

What's '2−7x'

Step-by-step explanation:

3 0

1 year ago