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3 years ago

Write and solve a proportion to answer the question. 72 is what percent of 45?

Mathematics

1 answer:

Ivanshal [37]3 years ago

8 0

Answer:

160% is for 72 of 45

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Which number is Composite (hope i spelled it right) 15 17 19 23

quester [9]

Answer:

15.

Step-by-step explanation:

15 is composite because 3 * 5 = 15.

The others are prime.

8 0

3 years ago

Find the area each sector. Do Not round. Part 1. NO LINKS!!

sladkih [1.3K]

Answer:

$\textsf{Area of a sector (angle in degrees)}=\dfrac{\theta}{360 \textdegree}\pi r^2$

$\textsf{Area of a sector (angle in radians)}=\dfrac12r^2\theta$

17) Given:

$\theta$ = 240°
r = 16 ft

$\textsf{Area of a sector}=\dfrac{240}{360}\pi \cdot 16^2=\dfrac{512}{3}\pi \textsf{ ft}^2$

19) Given:

$\theta=\dfrac{3 \pi}{2}$
r = 14 cm

$\textsf{Area of a sector}=\dfrac12\cdot14^2 \cdot \dfrac{3\pi}{2}=147 \pi \textsf{ cm}^2$

21) Given:

$\theta=\dfrac{ \pi}{2}$
r = 10 mi

$\textsf{Area of a sector}=\dfrac12\cdot10^2 \cdot \dfrac{\pi}{2}=25 \pi \textsf{ mi}^2$

23) Given:

$\theta$ = 60°
r = 7 km

$\textsf{Area of a sector}=\dfrac{60}{360}\pi \cdot 7^2=\dfrac{49}{6}\pi \textsf{ km}^2$

3 0

2 years ago

Do ∠ABE and ∠DBC share a ray?

Thepotemich [5.8K]

Answer:

yes, it's ray

Step-by-step explanation:

because there are two parallel lines

5 0

3 years ago

Please help me ASAP please please thank you so much

pickupchik [31]

Answer: a

Step-by-step explanation:

3 0

3 years ago

a rectangular prism is 5 meters long, 17 meters wide, and 4 meters high. what is the surface area of the rectangular prism?

Mars2501 [29]

The surface area of rectangular prism is 346 square meters.

Given the figure is rectangular prism.

We know that the surface area of rectangular prism with length L, width W and height H is = 2(LW+WH+LH)

Given that the length of prism = 5 m

Width of prism = 17 m

Height of prism = 4 m

So the total surface area of the rectangular prism is given by,

= 2 [5*17 + 17*4 + 4*5]

= 2 [85 + 68 + 20]

= 2*173

= 346 square meters

Hence the surface area of rectangular prism is 346 square meters.

To know more about Rectangular Prism refer to:

brainly.com/question/24284033

#SPJ4

8 0

11 months ago