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3 years ago

I need help with this I have no clue what to do so please help me.

Mathematics

2 answers:

denis23 [38]3 years ago

8 0

Answer:

Using 3.15 the answer is 523.6 Using terms of pi is i dont know

Step-by-step explanation:

Juli2301 [7.4K]3 years ago

4 0

Answer:

57 95

Step-by-step explanation:

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Answer:

Step-by-step explanation:

Simple

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3 years ago

What os the correct question and why

mr_godi [17]

Answer:

maybe the second equation i.e(10+1.2)x=24

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3 years ago

One side of a triangle is 13 feet shorter than the second side. The third side is 1 feet longer than the second side. The perime

Papessa [141]

Answer:

let second side be x

then first side = x-13

third side= x+1

now

perimeter of triangle = 45

x-13+x+x+1=45

3x=57

x=19

first side = x-13= 19-13=6

third side= x+1=19+1=20

Step-by-step explanation:

4 0

3 years ago

Simplify this expression.

frozen [14]

Answer:

2x + 12

Step-by-step explanation:

2(10)+2(x+4)

distribute the 2

20 + 2x - 8

add/ subtract like terms

2x + 12

6 0

3 years ago

Read 2 more answers

2. The table below shows that the distance d varies directly as the time t. Find the constant of variation and the equation whic

Artemon [7]

<h2><u>Problem Solving</u>:-</h2>

2. The table below shows that the distance d varies directly as the time t. Find the constant of variation and the equation which describes the relation.

<h2><u>Solution</u>:-</h2>

Since the distance d varies directly as the time t, then d = kt.

Using one of the pairs of values, (2, 20), from the table, substitute the values of d and t in d = kt and solve for k.

$\sf{\rightarrow{d = kt}}$

$\sf\rightarrow{20 = 2k }$

$\sf\rightarrow{K= \frac{20}{2} }$

$\sf\rightarrow{K={\color{magenta}{10}}}$

<h2><u>Answer</u>:-</h2>

Therefore, the constant of variation is 10.

3 0

3 years ago