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Vlad [161]
2 years ago
10

What is Eight decreased by 3 times a number is 2​

Mathematics
2 answers:
algol [13]2 years ago
8 0

Answer:

    8- 3x = 2 I think this is

Furkat [3]2 years ago
6 0

Answer: The unknown number is 2.

Step-by-step explanation:

<u>Let the number be x</u>

<u>8-3x = 2</u>

<u>or, -3x = -6</u>

<u>so, x = -6/-3</u>

<u>so, x = 2</u>

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What is m&lt;1?<br> A.39<br> B. 47<br> C. 51<br> D. 129
Ilia_Sergeevich [38]

Oops i accidentally deleted it, but the angle would be 39 degrees :)

4 0
2 years ago
Air is being pumped into a spherical balloon at a rate of 5 cm^3/min. Determine the rate at which the radius of the balloon is i
Romashka-Z-Leto [24]

0.08 cm/min

Step-by-step explanation:

Given:

\dfrac{dV}{dt}=5\:\text{cm}^3\text{/min}

Find \frac{dr}{dt} when diameter D = 20 cm.

We know that the volume of a sphere is given by

V = \dfrac{4\pi}{3}r^3

Taking the time derivative of V, we get

\dfrac{dV}{dt} = 4\pi r^2\dfrac{dr}{dt} = 4\pi\left(\dfrac{D}{2}\right)^2\dfrac{dr}{dt} = \pi D^2\dfrac{dr}{dt}

Solving for \frac{dr}{dt}, we get

\dfrac{dr}{dt} = \left(\dfrac{1}{\pi D^2}\right)\dfrac{dV}{dt} = \dfrac{1}{\pi(20\:\text{cm}^2)}(5\:\text{cm}^3\text{/min})

\:\:\:\:\:\:\:= 0.08\:\text{cm/min}

3 0
2 years ago
Can someone help me please?
Elodia [21]
The height should be around 9.19 or 9.2 if you round it up.
(if you need an explanation as to why i would be happy to help as well!)
4 0
3 years ago
Read 2 more answers
(plz helppp !) A triangular prism has base edges 4cm, 5cm, and 7cm long. it’s lateral area is 353cm2 what is the height of the p
Oksanka [162]

Answer:

22.0625

Step-by-step explanation:

Lateral surface area formula: (a+b+c)h=L

(4+5+7)h=L

(16)h=353

16h=353

h=22.0625

Hope this helps!

8 0
3 years ago
I need help with this
jeka57 [31]

Answer:

A

Step-by-step explanation:

supplementary agles add up to 180 degrees, so when you subtract 162 from 180, you get 18. Hope this helped :D

6 0
3 years ago
Read 2 more answers
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