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Korvikt [17]
3 years ago
5

Three friends go bowling. The cost per person per game is $5.30. The cost to rent shoes is $2.50 per person. Their total cost is

$55.20. How many games did they play? Set up an equation and show your work.
Mathematics
1 answer:
Tpy6a [65]3 years ago
3 0
55.20=2.50(3)+5.30x should help
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— 9a3. — Зазь<br> simplify
-BARSIC- [3]

Answer:

-3a(9+3b)

Step-by-step explanation:

-9a3-3a3b

= -27a-9ab

= -3a(9+3b) answer

4 0
3 years ago
The function Q(x)=2x^2-kx+18. For what value of k does Q(x) have one distinct real solution? (NEEDS TO BE DONE WITHIN 2 HOURS!)
Aliun [14]

Answer:

k = 12

Step-by-step explanation:

Given:

The equation Q(x)=2x^2-kx+18

To find:

Value of k = ? for which the given equation has one distinct real solution.

Solution:

The given equation is a quadratic equation.

There are always two solutions of a quadratic equation.

For the equation: ax^{2} +bx+c=0 to have one distinct solution:

b^2 - 4ac = 0

Here,

a = 2,

b = -k and

c = 18

Putting the values, we get:

(-k)^2 - 4\times 2\times 18 = 0\\\Rightarrow k^2 = 18\times 8\\\Rightarrow k^2 =144\\\Rightarrow k = 12

The equation becomes:

Q(x)=2x^2-12x+18

And the one root is:

2(x^2-6x+9 ) = 0\\\Rightarrow 2(x-3)^2=0\\\Rightarrow x = 3

4 0
3 years ago
Dan buys 24 packets of nuts. Each packet of nuts weighs 225g. Work out the total weight of all the packets of nuts that dan buys
Vlada [557]

Answer:

 Total weight of the nuts bought by Dan =  5.4 kg

Explanation:

Number of packets of nuts bought by Dan = 24

Weight of each packet of nuts = 225g

 Total weight of the nuts bought by Dan = Number of packets of nuts bought by Dan * Weight of each packet of nuts

    Total weight of the nuts bought by Dan = 24 * 225 = 5400 g = 5400/1000 kg = 5.4 kg

    Total weight of the nuts bought by Dan =  5.4 kg

3 0
3 years ago
Ayuda!!!!por favorrrrrrrrrrrrrrr
JulsSmile [24]

Answer:

z=24 y=5 x=12

Step-by-step explanation:

x+8=20  x=20-8 x=12

z+1=25 z=25-1 z=24

y+10=15 y=15-10 y=5

4 0
3 years ago
n a basketball tournament, team A scored 6 more points than 3 times as many points as team B scored. Team C scored 45 more point
Sergio039 [100]
To solve this problem we want to let X equal the amount of points that team A scored. Now we want to express the amount of points that team B scored in terms of X. If team A scored 7 more points than team B then team B scored X-7 points. We know that together they scored 163 points so we can set up this equation: x + x - 7 = 163 2x - 7 = 163 2x = 155 X = 78 Team A scored 78 points
7 0
3 years ago
Read 2 more answers
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