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musickatia [10]
3 years ago
10

What is the absolute value of -4.5

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
6 0

Answer:4.5

Step-by-step explanation:

nikitadnepr [17]3 years ago
6 0

Answer:

Absolute value means any value but always positive. So |-4.5|=4.5

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A triangle has side lengths of (1.3k+3.5m)(1.3k+3.5m) centimeters, (4.1k-1.6n)(4.1k−1.6n) centimeters, and (9.7n+4.4m)(9.7n+4.4m
Scorpion4ik [409]

Answer:

(5.4k+7.9m+8.1n) centimeters

Step-by-step explanation:

Given the side length of a triangle;

S1 = (1.3k+3.5m) cm

S2 = (4.1k-1.6n) cm

S3 = (9.7n+4.4m) cm

Perimeter of the triangle = S1+S2 + S3

Perimeter of the triangle = (1.3k+3.5m) + (4.1k-1.6n) + (9.7n+4.4m)

Collect the like terms;

Perimeter of the triangle = 1.3k+4.1k+3.5m+4.4m-1.6n+9.7n

Perimeter of the triangle = 5.4k+7.9m+8.1n

Hence the expression that represents the perimeter of the triangle is (5.4k+7.9m+8.1n) centimeters

5 0
3 years ago
How many degress are in an angle that cuts 2/4 of a circle
saw5 [17]
B:180 degrees because a circle is 360 degrees and half of 360 is 180. I'm learning this too lol
4 0
3 years ago
Read 2 more answers
Helpppp plzzzzzzzzzzzzz<br><br> I know it’s supplementary but I can’t find the value of X
Black_prince [1.1K]

Answer:

x = 18

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is the volume (in terms of pi) for a cylinder with a radius of 3 inches
Likurg_2 [28]

Answer:

254.469

Step-by-step explanation:

Formula for Volume of Cylinder:   V=πr²h

8 0
3 years ago
Solve in radians help plz
PIT_PIT [208]
I think we can use the identity  sin x/2  = sqrt [(1 - cos x) /2]

cos x -  sqrt3 sqrt ( 1 - cos x) /sqrt2 = 1

cos x - sqrt(3/2) sqrt(1 - cos x) = 1
sqrt(3/2)(sqrt(1 - cos x) =  cos x - 1   Squaring both sides:-
1.5 ( 1 - cos x) = cos^2 x - 2 cos x + 1

cos^2 x - 0.5 cos x - 0.5 = 0 

cos x = 1 , -0.5

giving x = 0 , 2pi, 2pi/3,  4pi/3  ( for  0  =< x <= 2pi)

because of thw square roots some of these solutions may be extraneous so we should plug these into the original equations to see if they fit.

The last 2 results dont fit so the answer is  x = 0 , 2pi Answer
5 0
3 years ago
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