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evablogger [386]
3 years ago
13

a cylinder has a height that is 2 times as large as its radius. The lateral area of the cylinder is 16pi square units. What is t

he length of the radius of the circle
Mathematics
1 answer:
Sav [38]3 years ago
5 0
4 ............I think
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Simplify: 30 - 23 × 3
gogolik [260]
The answer to this question would be 39..here is why:

First you multiply 23 x 3..because multiplication or division always comes before addition or subtraction.

Second, you get the product from 23 x 3 which is 69..and you subtract 30 from that.

Last, after you do that you get an over all answer of 39..

                     
                         Hope this helps!!
4 0
3 years ago
Joe and his family are flying to Texas. Their plane flies 645 miles at 215 mph. How long does the trip take? Solve and explain
olya-2409 [2.1K]
You can use the distance equation.. d = rt
d = distance = 645
r = rate = 215 mph
t = time = ???? find the time
645 = 215t
645/215 = 215t / 215
3 = t
t = 3
It took 3 hours

7 0
3 years ago
X^2 - 81y^2<br><br>can someone please answer this ?​
harina [27]

Answer:

Since both terms are perfect squares, factor using the difference of squares formula.

(x+9y)(x−9y)

7 0
3 years ago
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Find the value of<br> a if 3x+ay=6​
Akimi4 [234]
I guess =ay=6-3x= ay/y=6-3x/y= a=6-3x/y
6 0
3 years ago
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Can someone please help me with this math question
inn [45]

Answer:

1. reflection across x-axis

2. translation 6 units to the right and 3 units up (x+6,y+3)

Step-by-step explanation:

The trapezoid ABCD has it vertices at points A(-5,2), B(-3,4), C(-2,4) and D(-1,2).

First transformation is the reflection across the x-axis with the rule

(x,y)→(x,-y)

so,

  • A(-5,2)→A'(-5,-2)
  • B(-3,4)→B'(-3,-4)
  • C(-2,4)→C'(-2,-4)
  • D(-1,2)→D'(-1,-2)

Second transformation is translation 6 units to the right and 3 units up with the rule

(x,y)→(x+6,y+3)

so,

  • A'(-5,-2)→E(1,1)
  • B'(-3,-4)→H(3,-1)
  • C'(-2,-4)→G(4,-1)
  • D'(-1,-2)→F(5,1)

7 0
3 years ago
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