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victus00 [196]
3 years ago
8

If K = (AB)/(A+B) , then B =?

Mathematics
1 answer:
ziro4ka [17]3 years ago
6 0

Answer:

K(A+B)/A

Step-by-step explanation:

K = (AB)/(A+B)

K(A+B)=AB

K(A+B)/A=B

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Find the solution to the equation 4r + 2(r - 8) = 4(3 + r).
o-na [289]

Answer:

r = 14

Step-by-step explanation:

Use distributive property:

4r + 2r - 16 = 12 + 4r

Combine like terms:

6r - 16 = 12 + 4r

Isolate the variable:

6r = 28 + 4r

2r = 28

r = 14

3 0
2 years ago
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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
guajiro [1.7K]

Answer:

5 - x

Step-by-step explanation:

Given:

f(x)=25-x^2

g(x)=x+5

\begin{aligned}\left(\dfrac{f}{g}\right)(x) & = \dfrac{f(x)}{g(x)}\\\\ & = \dfrac{25-x^2}{x+5}\\\\& = \dfrac{(5-x)(5+x)}{(x+5)}\\\\& = \dfrac{(5-x)(x+5)}{(x+5)}\\\\& = 5-x\end{aligned}

8 0
2 years ago
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A game at the state fair has a circular target with a radius of 10.7 cm on a square board measuring 30 cm on a side. Players win
Stells [14]

Answer:

The probability of hitting the circular area = P(H) = favorable area/ total area = Area of the circle / Area of the square

Step-by-step explanation:

= π/9

6 0
3 years ago
A) Rate (R)<br>24/5<br>Time = 1 month<br>Interest = Rs. 39.96​
yKpoI14uk [10]

Answer:  P = $ 1,998.01

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 24%/100 = 0.24 per year,

putting time into years for simplicity,

1 months ÷ 12 months/year = 0.083333 years,

then, solving our equation

P = 39.96 / ( 0.24 × 0.083333 ) = 1998.007992032

P = $ 1,998.01

The principal required to

accumulate interest of $ 39.96

on a rate of 24% per year for 0.083333 years (1 months) is $ 1,998.01.

5 0
3 years ago
Hell me plz, and can plz explain as well
Montano1993 [528]
The sixth graders collected $250 of their $300 goal. The seventh graders collected $250 of thier $450 goal.

Sixth Graders:
$250 / $300
Reduce: $25 / $30 = 5/6

Seventh Graders:
$250 / $450
Reduce: $25 / $45 = 5/9
7 0
3 years ago
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