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kolbaska11 [484]
3 years ago
12

Given the sizes of the angles as specified in the picture, how large is angle 1?

Mathematics
2 answers:
Dvinal [7]3 years ago
6 0
100 because opposite angles are equal. The angles in the triangle above add up to 80 so the last angle must equal 100. Since angle 1 is directly opposite to that angle, it also equals 100.
mafiozo [28]3 years ago
3 0

Answer:100 because all triangles add up to 180 degrees

Step-by-step explanation:

50+30=80

180-80=100

Answer-100

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The density of ice is approximately 0.92 g/cm3 . If a block of ice has a volume of 2300 cm3, what is its mass?
Mumz [18]

Answer:

The mass of the ice block is 2116 grams ⇒ a

Step-by-step explanation:

The formula of density is p=\frac{m}{V} , where m is the mass and V is the volume

To find the mass from this formula multiply both sides by V,

then m = p.V

∵ The density of ice is approximately 0.92 g/cm³

∴ p = 0.92

- That means the mass of 1 cm³ is 0.92 g

∵ The volume of an ice block is 2300 cm³

∴ V = 2300

- Use the formula of the mass

∵ m = p.V

- Substitute the values of p and V in it

∴ m = (0.92)(2300)

∴ m = 2116 grams

The mass of the ice block is 2116 grams

7 0
3 years ago
NO SILLY ANSWER, OR JUST DOING IT FOR THE POINTS!! WILL GIVE BRAINLEYEST
FrozenT [24]

Answer:

9a/ -3a

Step-by-step explanation:

4 0
3 years ago
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What is the length of the hypotenuse of right UVW shown?
photoshop1234 [79]

Answer:

UV

Step-by-step explanation:

8 0
3 years ago
The length of a rectangular book is 2 times its width. The perimeter of the book is 42 inches. Write a system of
wel

Answer:

Mark me as brainlist

Step-by-step explanation:

P = Perimeter            

L = Length          

W = Width

Perimeter of rectangle = L + L + W + W        

or P = 2L + 2W

You know:

P = 36 inches

L = 2W          [length is(=) 2 times it's width]

W = ?

P = 2L + 2W    

Substitute/plug in what you know, plug in 2W for L since L = 2W

36 = 2(2W) + 2W         Simplify

36 = 4W + 2W

36 = 6W        Divide 6 on both sides

6 = W              Now that you know the width, you can find the length:

L = 2W

L = 2(6)

L = 12

L = 12 in

W = 6 in

PROOF

P = 2(12) + 2(6)

P = 24 + 12

P = 36

7 0
3 years ago
What is equivalent expressions by combining terms like 5c - 4c + c
vampirchik [111]

the answer is 2c you - the five with four then you gaana have 1c +1c equal 2c.

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