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alexandr1967 [171]
3 years ago
7

P=21+2w; if p=18 when l=5, find w

Mathematics
2 answers:
jolli1 [7]3 years ago
7 0

Answer:

if im not mistaken.. i would say its -3.5 or -7/2

Step-by-step explanation:

Rashid [163]3 years ago
6 0

Answer:

Exact form: w = -3/2

Decimal form: w = -1.5

Mixed number form: w = -1 1/2

Step-by-step explanation:

<em>isolate</em><em> </em><em>the</em><em> </em><em>variable</em><em> </em><em>by</em><em> </em><em>dividing</em><em> </em><em>each</em><em> </em><em>side</em><em> </em><em>by</em><em> </em><em>factors</em><em> </em><em>that</em><em> </em><em>don't</em><em> </em><em>contain</em><em> </em><em>the</em><em> </em><em>variable</em>

<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>!</em><em>!</em><em>!</em>

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Write a polynomial function of the least degree that has roots of 3 and (4 + i).
polet [3.4K]

Answer:

  • x³ - 11x² + 41x - 51

Step-by-step explanation:

The least number of degree is 3 and the third root should be (4 - i) to make polynomial rational.

<u>The polynomial is:</u>

  • (x - 3)(x - (4 + i))(x - (4 + i)) =
  • (x - 3)(x² -x(4 + i + 4 - i) + (4 + i)(4 - i)) =
  • (x - 3)(x² - 8x + 16 - (-1)) =
  • (x - 3)(x² - 8x + 17) =
  • x³ - 8x² + 17x - 3x² + 24x - 51 =
  • x³ - 11x² + 41x - 51
4 0
2 years ago
A class is selling magazines as a fund raiser. Of the 500 magazines sold, Amy sold 1/9 of them. Garret sold 0.145 of the magazin
andrey2020 [161]
500 total magazines...

Amy sold 1/9......1/9(500) = 500/9 = 55.5
Garret sold 0.145.....0.145(500) = 72.5
Robbie sold 12/100.....0.12(500) = 60
Carlita sold 0.095.....0.095(500) = 47.5

Garret sold the most

or u could have done it this way...
Amy sold 1/9.....1/9 = 11.1%
Garret sold 0.145 = 14.5%
Robbie sold 12/100.....12/100 = 12%
Carlita sold 0.095....0.095 = 9.5%

u will still get the same answer...Garret

3 0
3 years ago
Read 2 more answers
10 points if you can answer what percent of 20 <br> Is 0.6
UNO [17]
Dividing 20 by 100 gives us 1%. so 0.2 × 3 = 0.6 so it take 3 0.2s to get to 0.6. meaning 0.6 is 3% of 20.

7 0
3 years ago
1. What is the difference between a median of a triangle and an altitude?
Step2247 [10]

Answer:

The difference between a median and altitude of a triangle is given below :

Altitude is the perpendicular line drawn from a vertex of a triangle to its opposite side .But a median of a triangle is a segment connecting a vertex to the midpoint of its opposite side.

Step-by-step explanation:

The difference between a median and altitude of a triangle is given below :

Altitude is the perpendicular line drawn from a vertex of a triangle to its opposite side .But a median of a triangle is a segment connecting a vertex to the midpoint of its opposite side.

4 0
2 years ago
25 POINTS PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Andrews [41]

Answer:

87+87+81+86+89+83+89= 602. Divided by 7 because that’s how many numbers there were is 86 and that is your mean/average.

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