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mixas84 [53]
2 years ago
12

Someone help me pleaseeee

Mathematics
1 answer:
motikmotik2 years ago
3 0

Answer:

3,943.84

Step-by-step explanation:

Since we know the angle of the arc is 70°, its length will be 7/36 of the whole circumference. The circumference, which is 2*pi*r, is 20 pi = 62.8, so the arc JL is 7/36 * 62.8 = 3,943.84

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Drag the tiles to the boxes to form correct pairs. Not all tiles will be used.
kolezko [41]

Answer:

Please see attached image

Step-by-step explanation:

We can work on the products of binomials using distributive property to multiply every term of the first binomial by every term of the second one. Finally combine like terms to get the trinomial that results:

1) (2+a)(2+a)=4+2a+2a+a^2=4+4a+a^2

2) (2a+1)(2a+1)=4a^2+2a+2a+1=4a^2+4a+1

3) (2a-1)(2a-1)=4a^2-2a-2a+1=4a^2-4a+1

4) (2-a)(2-a)=4-2a-2a+a^2=4-4a+a^2

7 0
4 years ago
The quotient of 56 and n is multiplied by 3.
Nutka1998 [239]

Answer:

Equivalent expression using n to represent the unknown number is: \mathbf{(\frac{56}{n})\times 3\\}

Step-by-step explanation:

The quotient of 56 and n is multiplied by 3.

Create an equivalent expression using n to represent the unknown number.

We need to write equivalent expression of The quotient of 56 and n is multiplied by 3.

We will do this step by step

First we will find:

The quotient of 56 and n

It can be written in mathematical form is: \frac{56}{n}\\

Now, we will find

The quotient of 56 and n is multiplied by 3.

It can be written in mathematical form as: (\frac{56}{n})\times 3\\

So, equivalent expression using n to represent the unknown number is: \mathbf{(\frac{56}{n})\times 3\\}

5 0
3 years ago
Please helpppp me. Will give Brainlyist
solmaris [256]
SOH CAH TOA.
Sin = Opposite / Hypotenuse
Cos = Adjacent / Hypotenuse
Tan = Opposite / Adjacent
3 0
3 years ago
I need help with 40 and 39!!!
vagabundo [1.1K]
39-A
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40-D
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3 0
3 years ago
Read 2 more answers
I need this answer fast! Please!
vovangra [49]

Answer:

\large\boxed{\begin{array}{c|c|c|c}Length:&4cm&2cm&8cm\\Width:&6cm&12cm&3cm\\Height:&9cm&9cm&9cm\end{array}}

Step-by-step explanation:

The formula of a volume of a cube with side length a:

V=a^3

We have a = 6cm. Substitute:

V=6^3=216\ cm^3

\begin{array}{c|c}216&2\\108&2\\54&2\\27&3\\9&3\\3&3\\1\end{array}

216=2\cdot2\cdot2\cdot3\cdot3\cdot3=(2\cdot2)\cdot(2\cdot3)\cdot(3\cdot3)=4\cdot6\cdot9\\\\216=2\cdot2\cdot2\cdot3\cdot3\cdot3=2\cdot(2\cdot2\cdot3)\cdot(3\cdot3)=2\cdot12\cdot9\\\\216=2\cdot2\cdot2\cdot3\cdot3\cdot3=(2\cdot2\cdot2)\cdot3\cdot(3\cdot3)=8\cdot3\cdot9\\\vdots

7 0
3 years ago
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