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Anuta_ua [19.1K]
3 years ago
6

What is the area of a rectangle that is 178 cm long and 86 cm wide?

Mathematics
2 answers:
loris [4]3 years ago
8 0
15308 cm^2 ahsgsgtagw
Mademuasel [1]3 years ago
4 0

Answer:

15308 cm^2

Step-by-step explanation:

178*86=15308

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Describe and correct the error in finding the measure of the angle
DerKrebs [107]

Sorry, it's late, and I'm a bad explainer.

The error is adding (2x-12) with x and 30. This is wrong because you are adding the angles inside the triangle and you are assuming that (2x - 12) is the unlabeled angle INSIDE the triangle, when it is the exterior angle/outside of the triangle.

A straight line is also 180°.

(2x - 12) + ? = 180

30 + x + ? = 180

If you look at the equations, and put parentheses around 30 + x, (30 + x) and (2x - 12) should be the SAME NUMBER. So you could set them equal to each other to find x. (or you could also look at the picture and see that they both need/are missing the same angle)

2x - 12 = 30 + x

x = 42

Now you plug 42 into the exterior angle equation

2(42) - 12 = 84 - 12 = 72°

5 0
3 years ago
if x = 2 and y = 1 what is the expression of 3(y-1)+2x2 ( it’s not actually 2x2 the 2 is small i don’t remember what it’s called
MAXImum [283]

Answer:

substituting the given values we get,

3(1-1)+2*2

using bodmas we get

3(0)+2*2

0+2*2

0+4

4

therefore the answer is 4,thank you and mark the answer as brainliest if u find my answer helpful

4 0
2 years ago
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jessica packed 1 inch cubes into a box with a volume of 144 cubic inches. how many layers of 1 inch cubes did jessica pack?
Dominik [7]
Your answer is 1 layer
5 0
3 years ago
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A function g(x) has x-intercepts at (1/2, 0) and (6, 0). which could be g(x)?
AlexFokin [52]
The x-intercepts of a function are used to express the function into factored form:
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(x - 1/2)

From (6, 0)
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(2x -1)(x-6) = 0

The function is:
B. g(x) = (x – 6)(2x – 1)

5 0
3 years ago
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Find the perimeter of a rectangle when it’s length is three times it’s width and the area is 108
Natasha2012 [34]

Answer:

Step-by-step explanation:

Let w = width

 

Then 3w = length

 

A= LW

 

108 = (3w)(w)

 

108 = 3w2

 

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6 = w   18 = length  Perimeter = 2(6) + 2(18) = 48 in

7 0
3 years ago
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