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xeze [42]
2 years ago
14

Which one?? help please for a grade!! due today

Mathematics
2 answers:
Novay_Z [31]2 years ago
8 0

Answer:

First one 10

Step-by-step explanation:

dimulka [17.4K]2 years ago
6 0

Answer:

its 10

Step-by-step explanation:

because all you have to do is add a zero for each place you go

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A right cylinder has a height of 20 1/2ft and a diameter of 1 1/5 times it's height what is the volume of the cylinder? Use 3.14
anygoal [31]
Volume (V) of a cylinder is the area of circular base (pi×r^2) times it's length/height (h):
V =  \pi {r}^{2} (h) \:  \: \pi = 3.14
h = 20.5 ft
diameter (d) = 1 1/5 × h, 1 1/5 = 6/5 = 1.20
d = 1.20 × 20.5 = 24.6 ft
radius (r) = 1/2 d = 24.6/2 = 12.3 ft
V =  \pi {r}^{2} (h)  \\ V = 3.14 ({12.3}^{2}) (20.5)  \\ V = 3.14 (151.29) (20.5) \\ V = 475.05 (20.5) = 9738.54  \: {ft}^{3}

4 0
2 years ago
Solve -2 1/3 - (-5) <br><br><br> ANSWER PLZ
Jlenok [28]

Answer:

Step-by-step explanation:

2.6666666667

6 0
3 years ago
Tyler used 1 1/4 gallons of paint to paint 5/7 of a fence. How many gallons will it take to paint the whole fence?
Pani-rosa [81]

1.75 or if it’s a fraction 1 3/4

Step-by-step explanation:

6 0
2 years ago
1/3n= 4<br> Help me please PLEASE
Sedbober [7]

Answer:

n=12

Step-by-step explanation:

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3 0
3 years ago
9. Hallar el perímetro de la figura sombreada.
STatiana [176]

Respuesta:

Perímetro de la parte sombreada = (6pi + 24)

Explicación paso a paso:

Encuentra el diagrama adjunto

Primero necesitamos encontrar el perímetro de los semicírculos externos que sobresalen

Diámetro del semicírculo = 1/2 de la longitud del lado del cuadrado

Diámetro del semicírculo = 1/2 × 6 m = 3 m

Perímetro de los 4 semicírculos = 4 (pi d)

Perímetro de los 4 semicírculos = 4 × 3,14 × 3

Perímetro de los 4 semicírculos exteriores = 1

2pi cm

Para la parte interior sombreada = Perímetro de todo el cuadrado - Perímetro de semicírculo (2 cuadrantes)

Perímetro del cuadrado entero = 4 (6) = 24m

Perímetro de los 2 cuadrantes = pi d

Perímetro de los 2 cuadrantes = 6pi cm

Para la parte sombreada interior, perímetro = 24-6pi

Perímetro de la parte sombreada = 12pi + 24-6pi

Perímetro de la parte sombreada = (6pi + 24) cm

7 0
3 years ago
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