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Mila [183]
3 years ago
14

What is the equation for the angle below?

Mathematics
2 answers:
nirvana33 [79]3 years ago
7 0

Answer:

Step-by-step explanation:

60+5x+5=180 degree (being straight line)

65+5x=180

5x=180-65

5x=115

x=115/5

x=23

5x+5

5*23+5

115+5

120

kvasek [131]3 years ago
7 0

Answer:

(5x+5)=120

Step-by-step explanation:

180° - 60° = 120°

(5x+5)=120

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Charlene is wrapping the box below. How much wrapping paper will she need? *
Anit [1.1K]

Answer:

286 in³

Step-by-step explanation:

7×5 = 35

35×2 = 70in

9×5 = 45

45×2 = 90in

9×7 = 63

63×2 = 126in

70+90+126

=286in³

5 0
3 years ago
How do I find the values of these
skad [1K]
Since the triangles are similar, then 32 = x+7 those two angles are too
solve for "x"

now using proportions   \bf \cfrac{\textit{small triangle}}{\textit{large triangle}}\qquad \cfrac{JK}{18}=\cfrac{12}{12+10}

solve for JK

\bf \cfrac{\textit{small triangle}}{\textit{large triangle}}\qquad \cfrac{12}{12+10}=\cfrac{9}{9+KG}\implies 12(9+KG)=(22)9
\\\\\\
108+9KG=198

solve for KG

the scale factor of the perimeter of both triangles is just the same as the ratio of the sides, or \bf \cfrac{12}{12+10}

3 0
3 years ago
Divide <br><br> (3x^2 + 9x + 7) divide by (x+2)
scZoUnD [109]

Answer:

The remainder is: 3x+3

The quotient is: 1

Step-by-step explanation:

We need to divide

(3x^2 + 9x + 7) by (x+2)

The remainder is: 3x+3

The quotient is: 1

The solution is attached in the figure below.

3 0
3 years ago
Read 2 more answers
The diameter of a circle is 13 ft. Find its area to the nearest tenth.
PtichkaEL [24]
The answer is 132.665 but rounded it is 132.7
5 0
3 years ago
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A rope is swinging In such a way that the length of the arc traced by a knot at its bottom end is
Sati [7]

Answer:

  13.6 ft

Step-by-step explanation:

The geometric sequence of arc lengths can be described by ...

  f(n) = a·b^n

We have (n, f(n)) = (3, 20) and (7, 12). Using these values, we can find the common ratio (b):

  20 = a·b^3

  12 = a·b^7

Then ...

  12/20 = (a·b^7)/(a·b^3) = b^4 = 3/5

We want the 6th term, which we can get from the 7th term by multiplying by b^-1.

  b^(-1) = (b^4)^(-1/4) = (3/5)^(-1/4) = √(√(5/3)) ≈ 1.13622

Then the 6th swing had an arc length of ...

  f(6) = f(7)·b^-1

  f(6) = (12 ft)(1.13622) ≈ 13.63 ft ≈ 13.6 ft

3 0
2 years ago
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