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MAXImum [283]
3 years ago
13

What is the circumstances if the diameter is 68ft

Mathematics
2 answers:
Nutka1998 [239]3 years ago
7 0

Answer:

Step-by-step explanation:

diameter = 68ft

Radius = 34ft (68/2)

Circumference =213.6283 (68 x pi)

liraira [26]3 years ago
4 0
C= 213.63
C=2• 3.14(pie)•r(radius)
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Calcula 2 números tales que la suma del primero más el triple del segundo sea 85 y la diferencia entre el cuadruple del primero
vekshin1
Calcula dos números tales que la suma del primero mas el triple del segundo sea 85 y que la diferencia entre el cuádruple del primero y el doble del segundo sea 102

Sea el primer número = T
Sea el segundo número = U

Las ecuaciones según el enunciado son:
1) T + 3U = 85
2) 4T - 2U = 102

Resolvemos por el MÉTODO DE IGUALACIÓN.
-Despejamos T en las dos ecuaciones.
T + 3U = 85 4T - 2U = 102
T = 85 - 3U 4T = 102 + 2U
T = (85 - 3U)/1 T = (102 + 2U)/4

Igualamos las dos ecuaciones entre sí.
(85 - 3U)/1 = (102 + 2U)/4

Multiplicamos las ecuaciones en cruz.
4 (85 - 3u) = 1 (102 + 2U)
340 - 12U = 102 + 2U
- 12U - 2U = 102 - 340
- 14U = - 238
U = - 238/-14
U = 17

El valor de U lo reemplazamos en uno de los despeje de T para hallar el valor de la misma.
T = (85 - 3U)/1
T = (85 - 3 (17)/1
T = (85 - 51)/1
T = 34/1
T = 34

Rpt. Los números son: 34 y 17



COMPROBAMOS LA SOLUCIÓN.
T + 3U = 85
34 + 3 (17) = 85
34 + 51 = 85
85 = 85



4T - 2U = 102
4 (34) - 2 (17) = 102
136 - 34 = 102
102 = 102

LISTO!
3 0
2 years ago
A garden is rectangular with a width of 8 feet and a length of 10 feet. If it is surrounded by a walkway 2 feet wide, how many s
PilotLPTM [1.2K]

Answer:

The rea of walk way is 32 ft^2.

Step-by-step explanation:

width, w = 8 feet

length, L = 10 feet

width of walkway, d = 2 feet

length of outer, L' = 10 + 2 + 2 = 14 feet

Area of outer, A' = L' x w = 14 x 8 = 112 ft^2

Area of inner, A = L x w = 10 x 8 = 80 ft^2

The area of walkway = A' - A = 112 - 80 = 32 ft^2

The rea of walk way is 32 ft^2.

4 0
2 years ago
What Is the value of X?<br> Lines cut by a transversal line...
inysia [295]

(2x–5)° + 45° = 180° (sum of consecutive interior angles

=> 2x + 40 = 180

=> 2x = 180– 40

=> x = 140 /2

=> x = 70

5 0
3 years ago
The movement of the progress bar may be uneven because questions can be worth more or less
Vanyuwa [196]
The correct answer “the exponent is 4 and the coefficient is -3”
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2 years ago
38. A painting without its frame has
Anni [7]

Answer:

1.5*w^2 + 15*w + 36

Step-by-step explanation:

We have to make the width of the portrait be 'w'

 in addition to that the height of the frameless portrait (h) = 1.5 times its width, i.e. 1.5 * w

Frame width is 3 inches on all sides.

Therefore the area of the framed portrait is the total area of the portrait plus the area of the frame. The figure representing the above scenario is shown below.

I enclose a figure that allows us to see the problem better, the area of the rectangle ABCD is the area of the framed portrait.

From the figure, we have to:

AB = 3 + w + 3 = w + 6

BC = 3 + h + 3 = h + 6 = 1.5 * 2 +6

We know that the area of the rectangle ABCD is given as the product of the length AB and the width BC. Thus,

Area = (w + 6) * (1.5 * w + 6)

Area = 1.5 * w ^ 2 + 6 * w + 9 * w + 36

Area = 1.5*w^2 + 15*w + 36

That is, the expression for the framed portrait area in terms of the width 'w' is:

1.5*w^2 + 15*w + 36

7 0
3 years ago
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