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3 years ago

What is the solution to the equation 1/4 × +2= 5/8x-5?

Mathematics

1 answer:

egoroff_w [7]3 years ago

5 0

Step 1. Divide by the numbers 0.25 (1 divided by 4):

0.25 x +2=5 divided by 8x-5

Step 2. Divide the by the numbers 0.625 (5 divided by 8):

0.25 x +2=0.625x-5

Answer: 0.25 + 2= 2.25

Please correct me if I'm wrong, hope I could help! :)

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9(4b-1)=2(b+3) Slove for b plz answer as quick as u can please

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3 years ago

Melanie saves $20 every month in her savings account. She

OLga [1]

Let x represent the amount of months she has been saving for.

20x - 60 = 280

Solve for x.

20x - 60 = 280

~Add 60 to both sides

20x - 60 + 60 = 280 + 60

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20x = 340

~Divide 20 to both sides

20x/20 = 340/20

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Therefore, Melanie has saved for 17 months.

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3 years ago

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3 years ago

Factor the polynomial: 81b^2 - 64c^2

Lilit [14]

Answer:

160D^2

Step-by-step explanation:

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3 years ago

If a wheel with a radius of 80 inches spins at a rate of 50 revolutions per minute, find the approximate linear velocity in mile

Lubov Fominskaja [6]

$\bf \textit{arc's length}\\\\
s=rw\qquad 
\begin{cases}
r=radius\\
w=\textit{angular speed}
\end{cases}\qquad w=\cfrac{50 rev}{min}\cdot \cfrac{2\pi }{rev}
\\\\\\
w=\cfrac{100\pi }{min}\qquad s=80in\cdot \cfrac{100\pi }{min}\implies s=\cfrac{8000\pi\ in}{min}\\\\
-------------------------------\\\\
\textit{now to convert it to miles/hr}
\\\\\\
\cfrac{8000\pi\ in}{min}\cdot \cfrac{ft}{12in}\cdot \cfrac{mile}{5280ft}\cdot \cfrac{60min}{hr}\implies \cfrac{8000\pi \cdot 60\ in}{12\cdot 5280\ hr}$

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3 years ago