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Neko [114]
3 years ago
9

Simplest form for 10 sec 1 min

Mathematics
1 answer:
Mademuasel [1]3 years ago
3 0

Answer:

70 seconds

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A book sold 41,900 copies in its first month of release. Suppose this represents 8.1% of copies sold to date. How many copies ha
babymother [125]

517284 books have been sold to date.

Step-by-step explanation:

Given,

Copies sold in first month = 41900

This represents 8.1% of copies sold to date.

Let,

x be the number of copies that have been sold to date.

8.1% of x = 41900

\frac{8.1}{100}*x=41900\\0.081x=41900\\

Dividing both sides by 0.081

\frac{0.081x}{0.081}=\frac{41900}{0.081}\\x=517283.95

Rounding off to nearest whole number

x = 517284

517284 books have been sold to date.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/8540796
  • brainly.com/question/8618791

#LearnwithBrainly

3 0
3 years ago
Use the quadratic formula to solve for x 8x^2+7x+1=0 plz help
vagabundo [1.1K]

Answer:

X= -7 ± √17 / 16

x= - 0.7798...

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
If mC = 90°, side c = 29, and side a = 21, then side b = 18.
Triss [41]
The 3 sides should obey the Pythagorean Theorem
29^2 = 21^2 + 18^2
29^2 does not equal 441 + 324 = 765
29^2 = 841

7 0
3 years ago
16.47 is what percent of 61 show step by step
GalinKa [24]
Solution for 47 is what percent of 61:

47:61*100 =

(47*100):61 =

4700:61 = 77.05

Now we have: 47 is what percent of 61 = 77.05

Question: 47 is what percent of 61?

Percentage solution with steps:

Step 1: We make the assumption that 61 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$x​.

Step 3: From step 1, it follows that $100\%=61$100%=61​.

Step 4: In the same vein, $x\%=47$x%=47​.

Step 5: This gives us a pair of simple equations:

$100\%=61(1)$100%=61(1)​.

$x\%=47(2)$x%=47(2)​.

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{61}{47}$
100%
x%​=
61
47​​

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{47}{61}$
x%
100%​=
47
61​​

$\Rightarrow x=77.05\%$⇒x=77.05%​

Therefore, $47$47​ is $77.05\%$77.05%​ of $61$61​.
3 0
3 years ago
Solve and describe the steps used to find x for the equation 2(x + 4) – 10 = 12
Lorico [155]
Well,  you want to find the value of x.  
3 0
3 years ago
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