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3 years ago

2+2 what is the answer

Mathematics

2 answers:

JulijaS [17]3 years ago

8 0

Answer:

Step-by-step explanation:

just add it up on your fingers

Olin [163]3 years ago

4 0

Answer:

Step-by-step explanation:

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Exercise 2.4.2: Proving statements about rational numbers with direct proofs. About Prove each of the following statements using

IgorLugansk [536]

Answer:

See Explanation

Step-by-step explanation:

(a) Proof: Product of two rational numbers

Using direct proofs.

Let the two rational numbers be A and B.

Such that:

$A = \frac{1}{2}$

$B = \frac{2}{3}$

The product:

$A * B = \frac{1}{2} * \frac{2}{3}$

$A * B = \frac{1}{1} * \frac{1}{3}$

$A * B = 1 * \frac{1}{3}$

$A * B = \frac{1}{3}$

Proved, because 1/3 is rational

(b) Proof: Quotient of a rational number and a non-zero rational number

Using direct proofs.

Let the two rational numbers be A and B.

Such that:

$A = \frac{1}{2}$

$B = \frac{2}{3}$

The quotient:

$A / B = \frac{1}{2} / \frac{2}{3}$

Express as product

$A / B = \frac{1}{2} / \frac{3}{2}$

$A / B = \frac{1*3}{2*2}$

$A / B = \frac{3}{4}$

Proved, because 3/4 is rational

(c) x + y is rational (missing from the question)

Using direct proofs.

Let x and y be

Such that:

$x = \frac{1}{2}$

$y = \frac{2}{3}$

The sum:

$x + y = \frac{1}{2} + \frac{2}{3}$

Take LCM

$x + y = \frac{3+4}{6}$

$x + y = \frac{7}{6}$

Proved, because 7/6 is rational

<em>The above proof works for all values of A, B, x and y; as long as they are rational values</em>

8 0

3 years ago

HELP MEEEEEE PLEASE<3

Mama L [17]

Answer:

3 3/5 miles

Step-by-step explanation:

6 3/4 divided by 1 7/8=

3 3/5

4 0

2 years ago

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A trailer will be used to transport several 50 kilogram crates to a store. The greatest amount of weight that can be loaded on t

Maslowich

Know

50 kg

Tell me if it’s right

8 0

3 years ago

PLEASE HELP!! I will award 60 points!

natta225 [31]

Answer:

1.22 i think

Step-by-step explanation:

3 0

3 years ago

Please help help help

mash [69]

Answer:

a, 2 cups of rice bubbles

3/4 cups icing sugar

1 1/2 tablespoons of cocoa

1/2 cup of desiccated coconut

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7 0

3 years ago

2+2 what is the answer​

2+2 what is the answer