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Naily [24]
3 years ago
13

Are the ratios 2:3 and 8:12 equivalent? Justify you answer.

Mathematics
1 answer:
Lunna [17]3 years ago
3 0

Answer:Yes

Step-by-step explanation:You are multiplying the ratios by 4

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Please help wit all questions! leave work below! if you do this , it will give you 40 points!!
Marta_Voda [28]

Answer:

13. ft per minute is 150. ft per hour is 9,000.

work:

  • 300÷ 2 = 150
  • 150 times 60 min.

14. x ÷ y = feet per minute.

it is this because the time divided by the depth will equal the time that it took.

15. it would be more reasonable to use feet by minute, because of the accuracy of the answers. with measuring it using feet per hour, your answers will be less precise.

16. the distance will double because the proportional relationship says that the distance is 3 km away if thunder is 9 secs apart from lightning.

will answer next question later

7 0
4 years ago
WILL GIVE BRAINLIEST!
Mariana [72]
An hour is 60 mins long. 30 mins is half of it. If we take 12 miles in an hour, divide it by 2, it will be 6 miles in 30 mins, and if we take 8 miles, divide it by 2, it would be 4 miles in 30 mins. Since the questions telling us how far apart are north cyclists, we’re adding 6 and 4 to get 10 miles. In conclusion, both cyclists are 10 miles apart. I might be wrong, but that’s the best I can do.
5 0
3 years ago
Given an angle that is 120°, find m3. *<br><br> O 60<br> O 100<br> O 120*
lozanna [386]

Answer:

m3 is 60 degrees

Step-by-step explanation:

Angles 1 & 3 are complementary angles. What that means is that the two angles equal 180 degrees. We already have 120 degrees with m1, so subtract that from 180 for 60 degrees.

8 0
3 years ago
Read 2 more answers
Solve for the value of s.<br> 58<br> (s-4)
sukhopar [10]

Answer:

Step-by-step explanation:

58(s-4)=0

58s-232=0

58s=232

S =232/58

S=4

Value of a is 4.

4 0
3 years ago
The base of a cone has a radius of 4 millimeters and the height of the cone is 24 millimeters. What is the volume of the cone?
bixtya [17]

Answer:

The volume of the cone is 128π mm³ ⇒ answer (C)

Step-by-step explanation:

* Lets study the cone

- Its base is a circle

- Its height the perpendicular distance from its vertex to

 the center of the base

- The length of its slant height = √(h² + r²)

- The volume of the con is 1/3 the volume of the cylinder

∵ The volume of the cylinder = πr²h

∴ The volume of the cone = (1/3) πr²h

* In our problem:

- r = 4 mm

- h = 24 mm

∴ Its volume = (1/3) × π × (4)² × 24 = 128π mm³

* The volume of the cone is 128π mm³

7 0
3 years ago
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