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lisabon 2012 [21]
3 years ago
12

A soccer game is 90 minutes long. 36 minutes have passed.

Mathematics
1 answer:
laila [671]3 years ago
5 0

Answer: 40%

Step-by-step explanation:

The answer is 40%. 36/90 is 0.4 in decimal form,and since percentages are out of a hundred, the answer is 40%

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A total of 444 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t
Yakvenalex [24]
A + s = 444
s = 2a

a + 2a = 444
3a = 444
a = 444/3
a = 148 <== adults

s = 2a
s = 2(148)
s = 296 ...students
7 0
3 years ago
Read 2 more answers
Keith’s gas tank is 1/3 full. After he buys 2 gallons of gas, it is 1/2 full. How many gallons can Keith’s tank hold?
madam [21]
It will be 3 cuz why not lol
6 0
3 years ago
Read 2 more answers
Will award a lot of points :)
WARRIOR [948]

Answer:

Step-by-step explanation:

Your final answer is the standard form of a parabola.  Since your equation has an x-squared term in it and not a y-squared term, your form will be

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

To get it into this form we will solve the quadratic for y and then set it equal to 0 so we can complete the square on it.  Solving for y then setting y equal to 0:

x^2-2x-23=8y so

\frac{1}{8}x^2-\frac{2}{8}x-\frac{23}{8}=0

We only need to complete the square on the x-terms, so we will move the constant back over to the other side of the equals sign:

\frac{1}{8}x^2-\frac{2}{8}x=\frac{23}{8}

The rule for completing the square is that the leading coefficient HAS to be a 1.  Ours is 1/8, so we have to factor it out.  When we do that we are left with:

\frac{1}{8}(x^2-2x)=\frac{23}{8}

To complete the square on the left, we take half the linear term, square it, and add it onto both sides.  Our linear term is 2 (the number stuck to the x-term).  Half of 2 is 1, and 1 squared is 1.  So we add it into the parenthesis on the left.  BUT we cannot discount the 1/8 sitting out front there.  It is a multiplier.  So what we actually added on the left is 1/8(1).  That looks like this:

\frac{1}{8}(x^2-2x+1)=\frac{23}{8}+\frac{1}{8}

Now we will write the left side into its perfect square binomial (which was the whole reason for doing this!) and simplify the right at the same time:

\frac{1}{8}(x-1)^2=\frac{24}{8}

Now we will set the whole thing back to equal y:

\frac{1}{8}(x-1)^2-3=y

That's one form.  But you need it in vertex form, so we add 3 to both sides:

\frac{1}{8}(x-1)^2=y+3 and then multiply both sides by 8:

(x-1)^2=8(y+3)

If you need to break it down further to include what your p value is, then:

(x-1)^2=4(2)(y+3)

Either that one or the one right above it should work.

3 0
3 years ago
How many 1 fourths teaspoons doses are in 7 eighths teaspoon of medicine
seraphim [82]
There are 3 1/4 doses in 1 7/8 dose.
4 0
4 years ago
3(fg+f)=2fg-4f+14 for f
Anestetic [448]

Answer:

f= 14/(g +7)

Step-by-step explanation:

3(fg+f) = 2fg-4f+14

3fg +3f = 2fg -4f +14

3fg - 2fg + 3f +4f =14

fg +7f = 14

f( g + 7) = 14

f = 14 / (g +7)

8 0
2 years ago
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