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kolezko [41]
3 years ago
9

How many factors are in the expression 2w(w+9)

Mathematics
1 answer:
Delvig [45]3 years ago
4 0
There are 3 factors in the expression which are 2w w and 9
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Plzz help me to solve this qns please
tatiyna

9514 1404 393

Answer:

  ₹14000

Step-by-step explanation:

Let c represent the cost price, and m represent the marked price.

  c × (1 +40%) = m

  m × (1 -15%) - c = ₹1900

Using the first expression for m, the second equation becomes ...

  1.40c×0.85 -c = ₹1900

  0.19c = ₹1900

  c = ₹1900/0.19 = ₹10000

Then the marked price was ...

  m = 1.40c = 1.40×₹10000 = ₹14000

The marked price was ₹14000.

_____

The selling price was ₹11900.

7 0
3 years ago
Use the Law of Sines to find the measure of angle J to the nearest degree.
rjkz [21]
\bf \textit{Law of sines}
\\ \quad \\
\cfrac{sin(\measuredangle A)}{a}=\cfrac{sin(\measuredangle B)}{b}=\cfrac{sin(\measuredangle C)}{c}\\\\
-----------------------------\\\\
\cfrac{sin(J)}{9.1}=\cfrac{sin(97^o)}{11}\implies sin(J)=\cfrac{9.1\cdot sin(97^o)}{11}
\\\\\\
\textit{now taking }sin^{-1}\textit{ to both sides}
\\\\\\
sin^{-1}\left[ sin(J) \right]=sin^{-1}\left( \cfrac{9.1\cdot sin(97^o)}{11} \right)
\\\\\\
\measuredangle J=sin^{-1}\left( \cfrac{9.1\cdot sin(97^o)}{11} \right)
8 0
3 years ago
Write the equation for the line that goes through the point (5, 12) with a slope m = 10​
Iteru [2.4K]

Answer:

<u>Point-slope form</u>:  y - 12 = 10 (x - 5)

<u>Slope-Intercept form</u>:  y= 10x - 38

Step-by-step explanation:

 im not fully sure which equation ur looking for but i think thats right lol. hopefully this helps ! :)

3 0
2 years ago
Write a formula that can be used to find the area of a sector of a circle explain and justify the formula you wrote
Airida [17]

Answer:

X/360 (r^2)

Step-by-step explanation:

If X is the number of degrees of the sector, then the area will be given by

X/360 *r^2

Where r^2 is the radius of the circle. The denominator of X is 360 because the degrees of a circle add up to 360

For instance, if the sector is half the circle, then we have

180/360 *r^2 (or 0.5(360)*r^2)

8 0
3 years ago
Use algebra tiles to model the expression and combine like terms. Complete the statements.
gulaghasi [49]

Answer:

The equivalent expression is 4x + 3

3 0
1 year ago
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