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3 years ago

PLEASE PLEASE HELP MEH

Mathematics

2 answers:

wel3 years ago

4 0

Answer is in bold and i will add step
Since they are vertical angles they will be the same. Since 6=146 2=146

Burka [1]3 years ago

4 0

146 is going to be your answer, hope this helps!!

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The area of the shaded triangle is 5x2+3x-4. What is the area of the entire figure?

Phoenix [80]

The answer will be 2 cuz you multiply them at the answers

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4 years ago

a toy manufacturer has designed a new piece for use in building models. It is a cube with side lengths 7 mm and has a 3 mm in di

Ray Of Light [21]

Given that the cubical piece has side (s) 7 mm, and a cylindrical hole of diameter (d) as 3 mm.

The volume of the piece can be calculated as,

$\begin{gathered} \text{Volume of piece}=\text{ Volume of cube}-\text{ Volume of cylinder} \\ V=s^3-\frac{\pi}{4}d^2s \\ V=7^3-\frac{\pi}{4}(3)^2(7) \\ V=343-\frac{63\pi}{4} \\ V\approx293.52mm^3 \\ V\approx293.52\times10^{-9}\text{ }m^3 \end{gathered}$

It is mentioned that the material costs $207 per cubic meter, so the cost (c) of 1 piece is calculated as,

$\begin{gathered} \text{Cost of 1 piece}=\text{ Cost per unit volume}\times\text{ Volume of 1 piece} \\ c=207\times293.52\times10^{-9} \\ c\approx60758.64\times10^{-9} \end{gathered}$

This is the cost (in dollars) for 1 piece.

Given that the manufacturer wants to produce 1,000,000 such pieces, so the total cost (TC) is calculated as,

$\begin{gathered} \text{Total Cost}=\text{ Cost per piece}\times\text{ No. of pieces} \\ TC=60758.64\times10^{-9}\times1,000,000 \\ TC=60758.64\times10^{-9}\times10^6 \\ TC=60758.64\times10^{-3} \\ TC=60.75864 \\ TC\approx60.75 \end{gathered}$

Thus, the total prototypes will cost around $60.75

7 0

1 year ago

Bx-6y=18 and 2x-3y=9

Sloan [31]

X - 6y=18
2x-3y=9 |*-2

x -6y=18
-4x+6y=-18
----------------
-3x=0, x=0

2x-3y=9
2*0-3y=9
-3y=9, y=-9/3, y= -3

4 0

4 years ago

julianna wrote -16+ x = -8 on the board.Do not solve.Tell how you would simplify julianna's expression?

LUCKY_DIMON [66]

Answer:

x = 8

Step-by-step explanation:

→ Add 16 to both sides

x = 8

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2 years ago

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8_murik_8 [283]

Sorry I say it’s the 3ed one

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3 years ago