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alexira [117]
4 years ago
6

What is the value of the function f(x) = 2x^2 + 3 when x = 2?

Mathematics
2 answers:
professor190 [17]4 years ago
8 0
2*2^2+3                                  PEMDAS
2*4+3
8+3
11
 
Answer is 11

puteri [66]4 years ago
8 0
F(2)= 2x^2 + 3 = 11

Hope this helps!
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Need help due tmr :)
aliina [53]
A.) height(h), diameter Sphere(d) = 14.6 in., diameter Cylinder (l) = 11 in.

d^2 = h^2 + l^2
h^2 = d^2 - l^2
h^2 = 14.6^2 - 11^2
h^2 = 213.16 - 121
h^2 = 92.16
h = 9.6 in.


b.) V = (4/3)(pi)(r^3)
r = d/2 = 14.6/2 = 7.3 in.

V = (4/3)(pi)(7.3^3)
V = 518.6893pi in^3
V = 1629.5106 in^3
V = 1629.51 in^3
3 0
3 years ago
What is 25÷255 pls help me​
White raven [17]

Answer:

0.09803922 if its 25 dived by 255 but if you wrote it wrong and it's actually 255 divided by 25 it would be 9

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The 5 participants in a weight-loss class the following weights (in pounds) after three week of dieting
slava [35]

Answer:

ok so it should be 100

Step-by-step explanation:

when u add 100 + 100 + 200 - 300 u got 100

8 0
3 years ago
Arianna has $0.70 worth of nickels and dimes. She has 4 more dimes than nickels. By
jekas [21]

Answer:

x=2 and y=6

Step-by-step explanation:

thee isn't any other way im sorry but there isn't here is a list:

1 nickel = $0.05 and 5 dimes =$0.50 = $0.55

2 nickels = $0.10 and 6 dimes = $0.60 = $0.70

3 nickels = $0.15 and 7 dimes = $0.75 = $0.85

4 nickels = $0.20 and 8 dimes = $0.80 = $1.00

5 nickels equal $0.25 and 9 dimes equals $0.90 = $1.15

so as you can see the more you add the higher the number gets and if its any lower it won't be enough sorry if you really needed that last part

4 0
3 years ago
Simplify the following problem.<br> (-8+61) +(6+61)
Travka [436]

Answer: -8+61 = 53 and 6+61 = 67

3 0
3 years ago
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