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Gnom [1K]
3 years ago
9

Which number produces a rational number when added to 0.5? A.0,54732871...., B.√3,C.-1.73205081.. .D.1/4

Mathematics
1 answer:
Andru [333]3 years ago
4 0
Choice D is correct.
I need brainliest!!!
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A movie theater conducted a survey of its customers. Twelve people were selected at random and asked how many times they had gon
Mila [183]
Here, you know that 12 people answered.

Therefore :

Take the "M" for mean :

M= \frac{1+4+2+7+3+11+3+5+1+1+1+3}{12}
M= \frac{42}{12}
M = 3.5

In short, you answer would be C. 3.5.

Hope this helps !

Photon

7 0
3 years ago
The length of the rectangle is x cm. The length of a diagonal of the rectangle is 8 crn. The perimeter of the rectangle is 20 cm
klemol [59]

Answer:

x^2-10x+18=0

<em>a</em> = -10 and <em>b</em> = 18.

Step-by-step explanation:

Let <em>w</em> represent the width of the rectangle.

We are given that the perimeter of the rectangle is 20 cm, this means that:

20=2(x + w)

Let's put <em>w</em> in terms of <em>x</em>. Divide both sides by two:

10=x+w

And solve for <em>w:</em>

<em />w=10-x<em />

So, the rectangle measures <em>x</em> by (10 -<em> x</em>) cm.

<em />

According to the Pythagorean Theorem:

a^2+b^2=c^2

<em>a</em> and <em>b</em> are the legs and <em>c</em> is the hypotenuse.

Substitute <em>x</em> for <em>a, w</em> for <em>b</em>, and 8 for <em>c:</em>

<em />x^2+w^2=8^2<em />

Simplify and substitute:

x^2+(10-x)^2=64

Square:

x^2+(100-20x+x^2)=64

Isolate the equation. So:

2x^2-20x+36=0

Since the leading coefficient is one, divide both sides by two:

x^2-10x+18=0

Therefore, <em>a</em> = -10 and <em>b</em> = 18.

6 0
3 years ago
Problem:<br> 4 × 32 + 8 ÷ 2 - (5 + 3)
lubasha [3.4K]

Answer:

124

Step-by-step explanation:

is in the photo

i hope this helps :)

6 0
2 years ago
Read 2 more answers
Negative four and one third ÷ two and one fifth
3241004551 [841]

The solution to the given expression negative four and one third ÷ two and one fifth is -1 32/33

<h3>Fraction division</h3>

negative four and one third ÷ two and one fifth

-4 1/3 ÷ 2 1/5

= -13/3 ÷ 11/5

  • Multiply by the reciprocal of 11/5

  • The reciprocal of 11/5 is 5/11

= -13/3 × 5/11

= (-13 × 5) / (3 × 11)

= -65 / 33

= -1 32/33

Therefore, the solution to the fraction is -1 32/33

Learn more about fraction:

brainly.com/question/11562149

#SPJ1

5 0
1 year ago
Read 2 more answers
A cab charges $1.75 for the first mile and $0.25 for each additional mile. Write and solve an inequality to determine how many m
Margaret [11]
A. 1.75+0.25x<15;x,53miles

sorry, i could not put in the or equal to signs
                       
4 0
3 years ago
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