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sweet-ann [11.9K]
2 years ago
5

Which value of a makes the equation 5a+1 1/2=4 true?

Mathematics
1 answer:
ss7ja [257]2 years ago
4 0

Answer:

5a+1 1/2=4

a = 1/2

Step-by-step explanation:

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A cube number is rolled 20 times and lands on 1 two times and on 5 four times. Find each experimental probability. Then compare
kykrilka [37]
The experiment probabilities are listed below:

One:  2 out of 20 = 2 / 20 = 0.1  or 10%

Four:  5 out of 20 =  5 / 20 = 1 / 4 = 0.25 = 25%

The theoretical probability of any single number is 1 out of 6 or about 17%.

The experimental probability for ones was less than and for fours it was greater than the theoretical probability. 
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Step-by-step explanation:

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BRAINLIEST!! PLZ HELP<br> Given f (x) = x2 – 4 and g(x) = x + 3 then g (f (2)) =
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Answer:

g (f(2)) = 3

Step-by-step explanation:

f (x) = x2 – 4

g(x) = x + 3

g (f (2)) =?

Find f(2) first

f (x) = x2 – 4

f (2) = 2^2- 4

= 0

Now put this in your g(x)

g(x) = x + 3

g (f(2)) = (f(2)) + 3

And u alredy know f(2) =0, so just put it in

g (f(2)) = 0 + 3

=3

6 0
3 years ago
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Answer:

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Read 2 more answers
Engineering The equation for the cross section of a spotlight is y+5= 1/2x^2.
Marysya12 [62]

Answer:

p=1/2\ or\ 0.5\ inches

Step-by-step explanation:

From the question we are told that

Equation of cross section is y+5= \frac{1}{2x^2}

Generally the equation can be rewritten mathematically as

  y+5= \frac{1}{2}x^2

  x^2=(y+5)2

  (x-0)^2=(y-(-5))2

Generally the equation of a parabola with vertical axis is mathematically given by

(x - h)2 = 4p(y - k)

Therefore  comparing equations

(x-0)^2=(y-(-5))2

4p=2

p=2/4

The distance from the bulb to the vertex of the cross section is given by

p=1/2\ or\ 0.5\ inches

4 0
3 years ago
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