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Sergeu [11.5K]
3 years ago
12

If the base area of a cone is 78.5 square centimeters and the height

Mathematics
1 answer:
ch4aika [34]3 years ago
7 0

Volume of the cone is 942 cm³

Step-by-step explanation:

  • Step 1: Find the volume of the cone given base area = 78.5 cm² and height = 12 cm

Volume of the cone = Base area × Height

                                 = 78.5 × 12 = 942 cm³

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prisoha [69]
The answer is 42 bc I really do not know trying to get points!
6 0
2 years ago
Read 2 more answers
A line represented by y = 2x − 3 and a line perpendicular to it intersect at R(2, 1). What is the equation of the perpendicular
neonofarm [45]

Answer:

y = -1/2x + 2

Step-by-step explanation:

y = 2x - 3. The slope here is 2. A perpendicular line will have a negative reciprocal slope. To find the negative reciprocal, just flip the slope and change the sign.

slope = 2 or 2/1.....flip it.....1/2....change the sign...-1/2. So our perpendicular line will have a slope of -1/2.

y = mx + b

slope(m) = - 1/2

(2,1)....x = 2 and y = 1

now we sub and find b, the y intercept

1 = -1/2(2) + b

1 = -1 + b

1 + 1 = b

2 = b

so ur equation is : y = -1/2x + 2 <===

and u can check it with ur points....(2,1)

y = 2x - 3

1 = 2(2) - 3

1 = 4 - 3

1 = 1 (yep...it checks out)

8 0
3 years ago
HELP say im getting it wrong <br><br>the perimeter of the polygons is ?​
lara [203]
So the answer would be16*4=64
8 0
2 years ago
Figure A is a scale image of figure B.
Tomtit [17]

Answer:5.25

Step-by-step explanation:

multiply  it

5 0
3 years ago
Find the error american car produce 5,650,000 cars each year.In a report,ben wrote that americans made 6,550,000 cars.What mista
Oksanka [162]

Answer:

The error Ben made was writing down 6,550,000 cars rather than 5,650,000 cars in the report.

He can fix it by correcting the wrong numbers.

Step-by-step explanation:

American car produce 5,650,000 cars each year.

When writing a report Ben wrote down that americans produce 6,550,000 cars every year

Therefore the error Ben made in the report was that he mixed the numbers, he ought to have written 5 and 6 as the initial two numbers but rather he wrote the first number as 6 and the second number as 5.

Ben can fix his mistake by correcting the numbers and writing down the correct initial two numbers which are 6 and 5.

Hence, doing this will give him the correct number of cars which is 5,650,000 cars.

8 0
3 years ago
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