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Semenov [28]
3 years ago
15

Please help with this math​

Mathematics
1 answer:
e-lub [12.9K]3 years ago
7 0
I think it's 5 because 15 divided by 3=5
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A solid has a circular base of radius 3. If every plane cross section perpendicular to the x-axis is an equilateral triangle, th
almond37 [142]
Letter E is correct.
Area of equilateral trianlge= (1/2) tiime a^2 square root 3
Equation for the base is = x^2+y^2 =9

at x ,
y= square root (9-x^2)
Side of triangle a= 2y

d times Volume = (1/2)a^2 square root 3 dx

d times V= (square root 3) (9-x^2) dx

V= square root 3 INT (9-x^2) dx
-3V= 2square root INT (9-x^2) dx
0
V= 2 square root 3 ( 9x-x^3/3)

V=2 square root 3 ( 27-9)
V= 36 square root 3

The answer is E.
5 0
3 years ago
A 3-column table with 5 rows. Column 1 is labeled Tomato Sauce (ounces) with entries 6, 9, 12, 15, 18. Column 2 is labeled Julie
Andreyy89

Answer:

192 ounces is equivalent to 12 pounds

is this right???

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help on all of the questionsssss!
ladessa [460]

Answer:

Yes

Step-by-step explanation:

They are similiar because the big triangle is a dialated version of the first one

5 0
4 years ago
This is homework. please help with the answer for both 11a and 11b :))
RideAnS [48]
11a:
3x+5=5x-57
3x-5x=-57-5
-2x=-62
x=31
11b:
2x+2x+4x+150+4x+150=360
12x+300=360
12x=360-300
12x=60
x=5

hope this helped !!
3 0
3 years ago
In △ABC, the coordinates of vertices A and B are A(1,−1) and B(3,2).
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C90,2) - Not a right triangle

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C(0,4) - is a right triangle ( its slope is a negative inverse )

6 0
3 years ago
Read 2 more answers
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