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Andrei [34K]
3 years ago
14

Table 2 is Proportional because when I cross multiply 2 times 3 and 1 times 6, I get 6. The products are the same

Mathematics
1 answer:
loris [4]3 years ago
3 0

What is the actual question?

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mont 10: The diagonals of a square bisect the vertical engles yp 1: Draw a square ABCD. Draw diagonals AC and BD. D B A | 2: of
a_sh-v [17]
Bisect a square the vertical
4 0
2 years ago
Read 2 more answers
if a bag contains 400 coins,and 33 1 over 2 are nickels, how many nickels are there what percent of the coins are not nickels
iren2701 [21]
Assuming the number is 331/2, or 331 over 2: 
331/2 = 165.5 ÷ 400 = .4138 x 100% = 41.38%
100% - 41.38% = 58.62% not nickels

If the number is 33 1/2, or 33 and one half
33 1/2 = 67.5 ÷ 400 = 0.0838 x 100% = 8.38%
100% - 8.38% = 91.62% not nickels
6 0
4 years ago
Read 2 more answers
The radius of a right circular cylinder is increasing at the rate of 3 ft/sec, while the height is decreasing at the rate of 6 f
goblinko [34]

Answer:

\frac{dV}{dt}=-450\pi ft^3/sec

Step-by-step explanation:

Let's assume

radius of cylinder as 'r'

height of cylinder as 'h'

so, we have

\frac{dr}{dt} =3ft/sec

\frac{dh}{dt} =-6ft/sec

r=15ft

h=10ft

now, we can use volume of cylinder formula

V=\pi r^2h

we can find derivative with respect to t

\frac{dV}{dt}=2\pi r h\times\frac{dr}{dt} +\pi r^2\times \frac{dh}{dt}

now, we can plug values

\frac{dV}{dt}=2\pi (15)(10)\times3 +\pi (15)^2\times -6

now, we can simplify it

\frac{dV}{dt}=-450\pi ft^3/sec

6 0
3 years ago
Find the discriminant and the number of real roots for this equation 9x^2+12x+4=0
VARVARA [1.3K]

Answer:

hello :

9x^2+12x+4=0

a = 9   b = 12    c = 4

the discriminant  Δ = b² - 4ac = 12² - 4(9) (4   ) =144 -  144 = 0

x1 = x2 = - b/2a = -12/18 = - 2/3

  the real root is : - 2/3


5 0
3 years ago
Read 2 more answers
-a + 4a - 9 = 8a + 6
wel

Answer:

-3=a

Step-by-step explanation:

-a+4a-9=8a+6

3a-9=8a+6

3a-9-6=8a+6-6

3a-15=8a

3a-3a-15=8a-3a

-15=5a

-15/5=5a/5

-3=a

3 0
3 years ago
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