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solmaris [256]
2 years ago
15

I dont understand plz help plz i am timed i have 8 mins left plz help me

Mathematics
1 answer:
KiRa [710]2 years ago
7 0

Answer: the answer is a

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Given the formula for the perimeter of a rectangle where l represents the length and w represents the width. 2(l + w) What does
Klio2033 [76]
The fact that there are two length sides and two width sides. 
3 0
3 years ago
Simplify.
eimsori [14]
25x-2+3(x-4)

25x-2+3x-12
-3x on both sides

22x-2=-12
+2 on both sides

22x= -10
Divide by 22 both sides

-10/22

Then you simply giving you

Answer: 5/11
4 0
3 years ago
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Tell which set or sets the number below belongs​ to: natural​ numbers, whole​ numbers, integers, rational​ numbers, irrational​
Alexus [3.1K]

Answer:

<h3>Rational numbers</h3>

Step-by-step explanation:

A rational number is a number that can be written as a ratio of two integers. The are expressed as fractions. Given the value 8/9, this value is a fraction and is written as a ratio of two integers 8 and 9.

The value is neither a real number, nor an integer because integers and whole numbers are not expressed as fractions.

Natural numbers are also whole numbers starting from 1 and above. Hence 8/9 is not a natural number as well.

Note that irrational numbers are also classified as real numbers and they can not be written as a ratio of two integers.

Conclusively, 8/9 is only classified as a rational number

6 0
3 years ago
PLEASE HELP PLEASE HELP PLEASE
fiasKO [112]

Answer:

384 cm

Step-by-step explanation:

Perimeter is the sum of all external sides. (do not mix this up with area. Perimeter is the easy one) :)

There are 4 external sides.

Top = bottom = 132 cm

Left = Right = 60 cm

Add all 4 sides:

2(132) + 2(60)

264 + 120 = 384 cm

4 0
2 years ago
In triangle abc, the measure of angle b is 20 more than three times the measure of angle
sleet_krkn [62]
Let x be the degree of angle a. 

Angle b: 20+3x
Angle c: 55+x 

We know that all angles add up to 180 degrees. 

180=x+(20+3x)+(55+x) 
180= 5x+75 
180-75=5x 
105/5=x
21=x 

Angle a: 21 degrees 
Angle b: 20+3(21) => 83 degrees 
Angle c: 21+55 => 76 degrees 

Hope I helped :) 
5 0
3 years ago
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