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2 years ago

Why is it not possible to know the exact value of an irrational number?

Mathematics

1 answer:

alexdok [17]2 years ago

4 0

Answer:

it has repeating decimal digits that continue on infinitely

Step-by-step explanation:

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What is the value of (x^3 − 7x^2 − 18x + 42) when x = 3?

Eva8 [605]

Answer:

-150

Step-by-step explanation:

x^2 - 7x^2 - 18x +42

3^2 - 7(3)^2 - 18(3) + 42

9 - 63 - 54 + 42

-54 -54 + 42

-108 + 42

-150

8 0

3 years ago

The ratio of the measures of the angles in a triangle is 5 to 2 to 3 what's the measure of one angle

aleksandr82 [10.1K]

5x + 2x + 3x = 180
10x = 180
x = 18

Angles are 36, 54, 90

4 0

3 years ago

A fraternity charged $2.00 admission for dudes and $1.00 for ladies for their finals week bash. The fraternity made $100.00 and

SVETLANKA909090 [29]

Given : 2D + 1L = 100,
And D + L = 70

This is a simultaneous equation can be solved as follows

2D + L = 100
- D - L = -70
————————————-
D - 0 = 30

i.e D (number of dudes) = 30

Therefore, since we already know the fraternity sold 70 tickets in total,

70 -30 = 40 (the number of ladies attended)

3 0

3 years ago

What are the sides of a rectangular prism increased by if the volume increases from 54 mm3 to 3456 mm3?

kotykmax [81]

Answer:

The sides of the original rectangular prism have been increased by a scale factor of 4

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z----> the scale factor

x---> volume of the increased rectangular prism

y---> volume of the original rectangular prism

$z^{3}=\frac{x}{y}$

substitute

$z^{3}=\frac{3,456}{54}=64$

$z=4$ -----> the scale factor

therefore

The sides of the original rectangular prism have been increased by a scale factor of 4

6 0

3 years ago

FIRST TO ANSWER GETS BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

uysha [10]

10h+120p=950.50
h+p=12
p=?

h+p=12
-p both sides
h=12-p

plug in to 10h+120p=950.50
10 (12-p)+120p=950.50
distribute
120-10p+120p=950.50
simplify
120+110p=950.50
-120 both sides
110p=830.50
÷110 both sides
p=7.55

6 0

3 years ago