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2 years ago

¿Cuál es el 20% porcentaje de 47,000?

Mathematics

1 answer:

zhuklara [117]2 years ago

7 0

Answer:

9400

Step-by-step explanation:

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Plzzzzzzzzz helppppp meeeee aaaaassssaaappp

antoniya [11.8K]

Answer:

1. the 3rd one

2. -9

3. 15

4. -8

5 0

2 years ago

What is -2d-2 < 3d+8

OleMash [197]

Answer:

d > -2

Step-by-step explanation:

-2d-2 < 3d+8

3d+8 > -2d-2

3d + 2d > -2 -8

5d > -10

d > -2

<em>Feel free to mark this as brainliest! :D</em>

8 0

2 years ago

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

2 years ago

The cost of 5 tables exceeds the cost of 8 chairs by Rs.150. Write the linear equation in two variables

Levart [38]

Answer:

The linear equation in two variables is 5u - 8v = 150 .

Step-by-step explanation:

As given

The cost of 5 tables exceeds the cost of 8 chairs by Rs150 .

Let us assume that the cost of one table be u .

Let us assume that the cost of one chairs be v .

Than the equation becomes

5u + 150 = 8v

Simplify the above equation

5u - 8v = 150

Therefore the linear equation in two variables is 5u - 8v = 150 .

3 0

3 years ago

Blank divided by six equals 14/6

natali 33 [55]

Answer:

14 is blank

Step-by-step explanation:

and its the numerator of the fraction

3 0

2 years ago

Read 2 more answers