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ankoles [38]
3 years ago
14

Please please please help

Mathematics
2 answers:
irga5000 [103]3 years ago
5 0

3x+x= 180°(straight angle)

4x= 180°

x= 180/4

x= 45°

Talja [164]3 years ago
4 0
Wallind is right very smart
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The Russo-Japanese War was a conflict between Russia and Japan that started in the year 190419041904. Let xxx represent any year
wel
The first thing we must do for this case is to define a variable.
 We have then:
 x: number of years before the Russo-Japanese conflict began
 We write now the inequality that models the problem.
 We know that the conflict began in the year 1904, therefore, all the previous years are given by:
 x <1904
 Answer:
 
an inequality in terms of x and 1904 that is true only for values of x that represent years before the start of the Russo-Japanese War is:
 
x <1904
4 0
3 years ago
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A crystallographer measures the horizontal spacing between molecules in a crystal. The spacing is 14.8 nm . What is the total wi
IrinaK [193]
Answer: 1539.2nm

The space between molecule is going as X-1 function. That mean 1 molecule doesn't have space, 2 molecules have 1 space, 3 molecules have 2 space. Then 105 molecules will be will have 104 space.
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4 0
3 years ago
What number do you divide each side of the equation by to solve for g? 3g = 36
asambeis [7]

Answer:

The first option.

Step-by-step explanation:

In order to effectively simplify, you need to divide the side with the variable by a number that is less than or equal to the number. 3 goes into 36 twelve times.

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4 0
3 years ago
Plz help similarity theorems
Pachacha [2.7K]

Answer:

<h2>Hey , option B is correct ....</h2>

as two angles are equal

6 0
2 years ago
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Question 1
12345 [234]

Answer:

A). Surface area = 222 cm²

Volume = 180 cm³

B). Surface area = 375 cm²

Volume = 360 cm³

C). % increase in surface area = 67.57%

% increase in volume = 100%

Step-by-step explanation:

In the figure attached base of a prism has been given.

A). Surface area of the prism = (Perimeter of the base of the prism) × height + 2(area of the base)

Perimeter of the base = 5 + 3 + 2 + 2 + 2 + 3 + 5 + 8

                                       = 30

Area of the base = 8×5 - 2×2 = 36 cm²

Surface area of the prism = 30×5 + 2×(36)= 222 cm²

Volume of the prism = volume of the bigger prism - volume of the smaller prism cut off

                                  = 8×5×5 - 2×2×5

                                  = 200 - 20

                                  = 180 cm³

B). Surface area of the prism if it's height is 10 cm,

Surface area = 30×10 + 2×(36) = 372 cm²

Volume of the prism = 8×5×10 - 2×2×10

                                   = 400 - 40

                                   = 360 cm³                                      

C). Increase in surface area = 372 - 222 = 150 cm²

% increase in the surface area = \frac{150}{222}\times 100 = 67.57%

Increase in volume = 360 - 180 = 180 cm³

% increase in volume = \frac{180}{180}\times 100 = 100%

4 0
2 years ago
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