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3 years ago

Which number is rational?

Mathematics

2 answers:

ankoles [38]3 years ago

7 0

Answer:

3.1 is a rational number as it can be expressed as 31/10

√2 is an irrational number

√32 is the product of irrational and rational numbers, being equal to 4√2

4.142357... is presumably meant to represent an irrational number, although it could potentially be a rational one depending on what is in the ...

disa [49]3 years ago

4 0

Answer:

I think it's A.

hope this helps

have a good day :)

Step-by-step explanation:

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What’s missing reason in the proof

svetlana [45]

Answer:

SSS congruence theorem.

Step-by-step explanation:

We have proved that the 3 sides of the triangles are congruent.

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4 years ago

Draw a rough sketch of a quadrilateral KLMN. State, (a) two pairs of opposite sides, (b) two pairs of opposite angles, (c) two p

kogti [31]

Answer:

Please find attached the drawing of quadrilateral KLMN created with MS Whiteboard using the Ink to Shape command

(a) Two pairs of opposite sides are $\overline {KN}$ , $\overline {LM}$ and $\overline {KL}$ , $\overline {NM}$

(b) Two pairs of opposite angles are ∠LKN, ∠LMN, and ∠KLM and ∠KNM

(d) Two pairs of adjacent angles are ∠LKN, ∠KLM and ∠LMN, ∠KNM

Step-by-step explanation:

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3 years ago

Joseph needs 345 cement blocks to build a wall 40 cm thick. He needs 205 cement blocks to build a wall 25 cm thick. Each block c

IrinaVladis [17]

9514 1404 393

Answer:

$105

Step-by-step explanation:

The thicker wall takes 345 -205 = 140 more blocks. Each of those costs $0.75, so the added blocks will cost ...

140 × $0.75 = $105

The thicker wall will cost $105 more.

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3 years ago

A company manufactures and sells shirts. The daily profit the company makes

Rom4ik [11]

Answer:

$f(-5) = -150$

Meaning: If the company sells -5 shirts, they would make a profit of -150 dollars. This interpretation of loss in the context of the problem

$f(7) = -30$

Meaning: If the company sells 7 shirts, they would make a profit of -30 dollars. This interpretation of loss in the context of the problem

$f(10.5) = 5$

Meaning: If the company sells 10.5 shirts, they would make a profit of 5 dollars. This interpretation of profit in the context of the problem

Step-by-step explanation:

Given

$f(x) = 10x - 100$