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Harlamova29_29 [7]

3 years ago

7

What happenens to the value of the expression 100 -x as x increases

1 answer:

garik1379 [7]3 years ago

6 0

The value of the expression would decrease because if you add more to the smallest number in the subtraction problem the value or the answer decreases

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If R is the set of all integers with absolute value less than 10, A is its subset containing all natural numbers less than 10 an

Elza [17]

Answer:

See explanation

Step-by-step explanation:

1. R is the set of all integers with absolute value less than 10, thus

$R=\{a\in \mathbb{Z}\ :\ |a|$

2. A is its subset containing all natural numbers less than 10, thus

$A\subset R\\ \\A=\{b\in \mathbb{N}\ :\ b$

3. B is the set of all integer solutions of inequality 2x+5<9 that are less than 10 by absolute value (and therefore, it is also a subset of R). First, solve the inequality:

$2x+5$

Thus,

$B\subset R\\ \\B=\{c\in \mathbb{Z}\ :\ 2c+5$

See the diagram in attached diagram.

Note that

$A\cup B=R\\ \\A\cap B=\{1\}.$

4 0

3 years ago

What is measure of angle A?

Goryan [66]

Answer:

$A=53.13\°$

Step-by-step explanation:

The figure shows a right triangle.

To calculate the measure of the angle A, you can use the inverse trigonometric function arctangent:

$\alpha=arctan(\frac{opposite}{adjacent})$

Identify the angle $\alpha$ , the opposite side and the adjacent side:

$\alpha=A\\opposite=4cm\\adjacent=3cm$

Substitute into $\alpha=arctan(\frac{opposite}{adjacent})$ .

The measure of the angle A is:

$A=arctan(\frac{4}{3})\\\\A=53.130\°$

Rounded to the nerarest hundreth:

$A=53.13\°$

4 0

4 years ago

Find the missing side length in the following triangle.

Ilya [14]

169 because you have to add the angles from the inside and the firat angke is 90

6 0

4 years ago

There are 275 people in a movie theater. Of those, 150 are adults. What is the ratio of

Alexxandr [17]

Answer:

270 to 150

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

(3x + 2y = 7<br> (7x-2y = 3

sineoko [7]

Answer for the equation by elimination

8 0

2 years ago