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Marizza181 [45]
2 years ago
7

4x2-6 If x = 3 then has a value of what? X

Mathematics
1 answer:
puteri [66]2 years ago
3 0
I did not understand quite well, but I am assuming two possibilities, I hope it will be helpful.
If you meant what is the result 4x^2-6 if x equals to 3:
4(3)^2-6
12^2-6
144-6
=138

If you meant 4x(2)-6
4(3)(2)-6
12(2)-6
24-6
=18

Hope I could help!
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In the adjoining figure O is the centre of the circle the tangent to the circle of radius 6 cm from the exterior point P of the
slamgirl [31]

Answer:

Let P be the external point. O be the origin. join O and P get OP and nearest point on the circle from P be A.

Let Q be the point onthe circle  in which, tangent make 90° with radius at Q.

PQ = 8 and OQ = 6

we get a right angled triangle  PQO right angled at Q.

so, OP^2 = OQ^2 + PQ^2= 8^2 + 6^2 = 64 + 36 =1==

therefore OP =10cm

we need nearest point from P, which is PA

PA = OP - OA= 10 -6=4cm

7 0
2 years ago
A group of 247 people are traveling in vans to a zoo. The greatest number of people who can travel in
NeTakaya

Answer:

B

Step-by-step explanation:

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2 years ago
You deposit $6500 into an account paying 8% annual interest compounded monthly. How much money will be in the account after 7 ye
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3 0
3 years ago
Read 2 more answers
For options A– E choose all of the expressions that are equivalent to 3(4x + 3).
Katen [24]
3(4x+3) = 12x + 9
A= 3(4x+1)
B= 9 + 12x
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E= 12x + 9

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Hope This Helps✨
3 0
3 years ago
A sphere and a cylinder have the same radius and height. The volume of the cylinder have the same height and radius. The volume
USPshnik [31]

Step-by-step explanation:

radius of sphere, rs

radius of cylinder, rc

height of cylinder, h

given: h = rs = rc =r..eq1

volume of cylinder, vc = 27pi ft...eq2

volume of cylinder, vc = pi × rc^2 × h...eq3

volume of sphere, vs = 4/3(pi×rs^3)...eq4

subst for h & rs from eqn 1 in eqn 3...

vc = pi x r^2 x r= pi x r^3...eqn 5

subst for vc from eqn 2 in eqn 5...

=> 27 pi ft = pi x r^3

=> 27 = r^3

=> r = 3ft...eqn 6

subst for rs from eqn 1 in eqn 4

vs = 4/3 (pi x r^3)...eqn7

subst for pi x r^3 from eqn 5 in eqn 7

vs = 4/3 vc = 4/3 (27pi ft) = 36 pi ft

6 0
3 years ago
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