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Ivanshal [37]
3 years ago
8

X4(1-x)+3=-2x-2 what the answer?

Mathematics
1 answer:
Oliga [24]3 years ago
5 0

Answer:

x=9/2

Step-by-step explanation:

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How long should an escalator be if it is to make an angle 30 with the floor and
Charra [1.4K]

Answer:

it should be 23 feet long

Step-by-step explanation:

7 0
2 years ago
Someone help me with my math homework pleaseee. Find the volumes of the pyramids and the height is 7cm for the first one.
gregori [183]
\bf \textit{volume of a pyramid}\\\\
V=\cfrac{1}{3}Bh\qquad 
\begin{cases}
B=\textit{area of the base}\\
h=height
\end{cases}

now, the first one, on the far-left.... can't see the height.. but I gather you do, now as far as its Base area, well, the bottom is just a 12x12 square, so the area of its base is just 12*12


now, the middle pyramid, has a height of 6, the base is also a square, 8x8, so the Base area is just 8*8

now the last one on the far-right

has a height of 8, the Base is a Hexagon, with sides of 6

\bf \textit{area of a regular polygon}\\\\
A=\cfrac{1}{4}ns^2cot\left( \frac{180}{n} \right)\qquad 
\begin{cases}
n=\textit{number of sides}\\
s=\textit{length of one side}\\
\frac{180}{n}=\textit{angle in degrees}\\
----------\\
n=6\\
s=6
\end{cases}\\\\\\ A=\cfrac{1}{4}\cdot 6\cdot 6^2\cdot cot\left( \frac{180}{6} \right)
5 0
3 years ago
Olga runs a business out of her home making quilts. Each month she has fixed costs of $350. In addition, for each quilt she make
gulaghasi [49]
She only has made one full quilt and half of another. So 1.5
4 0
3 years ago
Leslie determined that the system of equations below has infinitely many solutions. Is she correct?
Nookie1986 [14]

Answer:

Leslie determined that the system of equations below has infinitely many solutions. Is she correct?  

x=4y-4

2x-8y=-24

A.Yes, Leslie is correct.

B. No, the solution is (-8,-24)

C. No, the solution is (0,-16)

<u>D. No, the system of equations has no solution. </u>

Step-by-step explanation:

you have to solve they as a pair of simultaneous equations and their is no solutions

if you need a more detailed explanation post the question again and i will write a detailed explanation

plz mark as brainliest


6 0
3 years ago
Read 2 more answers
Draw 2 shapes with a perimeter of 16 and an area of 12. Plz help!!!
torisob [31]
A square with sides of 4 for perimeter and area of a rectangle with length 2 width 6<span />
3 0
3 years ago
Read 2 more answers
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