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Colt1911 [192]
3 years ago
12

Y (y-4) – (y-2) (y-3)=10

Mathematics
2 answers:
Basile [38]3 years ago
5 0

Answer:

y = 16

Step-by-step explanation:

y(y - 4) - (y - 2)(y - 3) = 10

Multiply/distribute.

(y² - 4y) - (y² - 5y + 6) = 10

Distribute negative symbol, rearrange.

y² - y² - 4y + 5y - 6 = 10

Combine like terms.

y - 6 = 10

Add 6 to both sides

y = 16

Alika [10]3 years ago
3 0

Answer:

(y {}^{2} - 4y) - ( {y}^{2} - 3y - 2y - 6) \\   - 4y - 3y - 2y - 6 \\  - 9y - 6 \: equals \: 10 \\  - 9y \: equals16 \\ y \: equals \:  \frac{16}{ - 9}

y = -(16/9)

You might be interested in
a circle is divided into 18 equal parts how many degrees is the angle for each part? how many degrees is the angle for 5 parts?
Ket [755]
There are 360 degrees in a circle, and we have 18 pieces, so we need to see how many times 18 goes into 360. We can find this out by dividing.

360/18=20

You can check this by multiplying 20 and 18 (it equals 360)!

So, each fraction of the circle will be 20 degrees.

If you take 5 of these 20 degree pieces, you'll need to multiply them by 20 to see how many degrees they'd be.

You need to multiply by 20 because each piece is 20 degrees, and we need to find how many degrees 5 pieces is. It's the same as doing
20+20+20+20+20! :)

20*5=100. 5 parts will be 100 degrees.


Hope I helped! :)
4 0
3 years ago
An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 5 ft long with a diameter of 1.8 ft .
dangina [55]
\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad 
\begin{cases}
r=radius=\frac{diameter}{2}\\
h=height\\
----------\\
diameter=1.8\\
r=\frac{1.8}{2}=0.9\\
h=5
\end{cases}\implies V=\pi \cdot 0.9^2\cdot 5\\\\
-------------------------------\\\\
\textit{is draining at }\boxed{2.1}\ \frac{ft^3}{min}\textit{ , it has a total of }\boxed{\pi \cdot 0.9^2\cdot 5} \ ft^3
\\\\\\
\textit{it'll take }\cfrac{\pi \cdot 0.9^2\cdot 5}{2.1}\ minutes
3 0
3 years ago
Solve for x<br> A)9<br> B)33<br> C)45<br> D)62
sattari [20]

Answer:

A) 9

Step-by-step explanation:

R=7x+17

S=4x-6

Q=180-110=70

  • 4x-6+7x+17+70=180
  • 11x+81=190
  • 11x=180-81
  • 11x=99
  • x=99/11
  • x=9
3 0
3 years ago
PLEASE HELP I PROMISE I WILL MARK BRAINLIEST IF RIGHT ASAP.
Roman55 [17]

Answer:

1.8

Step-by-step explanation:

5 0
3 years ago
3.) 7:14. Find the value ofr
slega [8]

Answer:

1:2 all you have to do is simplify

5 0
3 years ago
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