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kondaur [170]
3 years ago
11

The model below is composed of a rectangle and a semicircle find the area of the figure 16 and 18

Mathematics
1 answer:
tatyana61 [14]3 years ago
5 0

Answer:

11. AREA=AREA 9F RECTANGLE +AREA OF SEMICIRCLE

AREA=LW+0.5pie×r²

r=18in/2=8in

Area=18in×36in+0.5×3.14×(9in)²

Area=648in²+127.17in²

Area=775.17in²

area=775.2in²

12. Area of the shaded region=Area of rectangle-area of semicircle

r=5in/2=2.5in

=LW-0.5pie×r²

=6in×5in-0.5×3.14×(2.5in²)

=30in²-9.8124in²

=20.2in²

hope it helped, please mark me brainliest

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Two whole numbers have a least common multiple (LCM) of 40.
emmasim [6.3K]

Answer:

10 and 8

Step-by-step explanation:

Case 1:

20 and 2

20 = 2^2 x 5

2   = 2^1

=> LCM = 2^2 x 5 = 20 (not 40)

=> Incorrect pair of numbers

Case 2:

10 and 8

10 = 2 x 5

8  = 2^3

=> LCM = 2^3 x 5 = 40

=> GCF = 2

=> Correct pair of numbers

Case 3:

10 and 4

10 = 2 x 5

4  = 2^2

=> LCM = 2^2 x 5 = 20 (not 40)

=> Incorrect pair of numbers

Case 4:

8 and 5

8 = 2^3

5 = 5 x 1

=> GCF = 1 (not 2)

=> Incorrect pair of numbers

Hope this helps!

:)

5 0
3 years ago
Read 2 more answers
At a dinner, the meal cost $22 and a sales tax of $1.87 was added to the bill.
ki77a [65]
The sales tax for a $66 meal would be $5.61.
6 0
2 years ago
What is the equation of the given line in standard form? Use integer coefficients (no decimals or fractions!). y = 3 over 5x - 3
Mazyrski [523]

Since this tells us that the y-intercept is .Remember the y-intercept is the point where the graph intersects with the y-axis So we have one point Now since the slope is comprised of the "rise" over the "run" this means Also, because the slope is , this means: which shows us that the rise is 3 and the run is 5.

Please mark brainliest! :)

6 0
3 years ago
The water was pumped out of a backyard pond. what is the domain of this graph
nadezda [96]
Water was pumped out in t-hours.
Time t would be the domain, 0 to t.
5 0
4 years ago
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El radio del cuarto de circunferencia de la figura es 10.6 cm. ¿Cuál es el área total de los 4 cuadrados en cm2?
storchak [24]

El area total de los 4 cuadrados es 71.86 centimetros cuadrados.

<h3>¿Cual es el area total de los 4 cuadrados?</h3>

Recordar que para un cuadrado de lado L, el area es:

A = L^2

Sabemos que el radio del circulo es R = 10.6cm, entonces para los dos cuadrados grandes tenemos:

L = 10.6cm/2 = 5.3cm

Es decir, cada uno de esos cuadrados tiene un area de:

A = (5.3cm)^2  = 28.09 cm^2

Notar que para los cuadrados pequeños, el lado es mayor que la mitad del cuadrado grande, midiendo el lado y comparandolo, veremos que para estos dos cuadrados:

L = 2.8cm

Entonces el area de cada uno de estos sera:

A = (2.8cm)^2 = 7.84cm^2

El area total es:

area = 2*(28.09 cm^2 + 7.84cm^2) = 71.86cm^2

Sí quieres aprender más sobre area:

brainly.com/question/24487155

#SPJ2

3 0
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