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Ulleksa [173]
3 years ago
14

The question is in the screen shot you will get 100 points! if you lie i will report

Mathematics
1 answer:
adell [148]3 years ago
6 0
You are missing the screenshot I don’t mind helping you please post screenshot
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On a certain hot summers day, 648 people use the public swimming pool. The daily prices are $1.50 for children and $2.25 for adu
ehidna [41]

Answer:

252 children and 395 adults

Step-by-step explanation:

Make a linear system of equations, where x represents the number of children and y represents the number of adults

x+y=648

1.50x+2.25y=1269

solve using substitution, so y=648-x,

then substitute this into the second equation, so you get 1.50x+2.25(648-x)=1269,

solve for x and you will get x equals the 252

then substitute this into the first equation, so you get 252+y=648

solve and you will get y=395

3 0
3 years ago
CAN SOMEONE PLEASE HELP ME!!
QveST [7]
<h2>A) Wrong</h2><h2>B) Wrong</h2><h2>C) Right </h2><h2>D) Right</h2><h2>C and D is right because when you solve the problem it ends up as - 12 - 6f. </h2><h2>But to me it is mostly C. </h2><h2>I hope this helps. </h2><h2>I tried my best </h2><h2><u>Have a great dayyyy!!! :) </u></h2>
3 0
3 years ago
Which of the following is the maximum value of the function y = −x^2 + 2x + 1?
azamat

Answer:

Step-by-step explanation:

We don't need choices to find out the correct answer. Solve this problem by completing the square. Begin by setting the quadratic equal to 0 and moving over the constant, like this:

-x^2+2x=-1 and factor out the -1 in front of the x-squared, since the leading coefficient HAS to be a 1:

-1(x^2-2x)=-1 Now take half the linear term, square it, and add it to both sides. Our linear term is -2. Half of -2 is -1, and squaring that gives us 1. So we add a 1 into both sides. But that -1 out front there on the left is a multiplier, so what we actually added in was -1(1) which is -1:

-1(x^2-2x+1)=-1-1

On the left side we have a perfect square binomial, which is why we do this, and on the right side we have -2:

-1(x-1)^2=-2 and we can move that constant back over and set the quadratic back equal to y:

y=-1(x-1)^2+2  which gives us a max height of 2.

(If this was modeling parabolic motion, we would know that the time it takes to get to that max height is 1 second. The vertex of this parabola is (1, 2))

4 0
4 years ago
Divide. Round your answer to the nearest tenth. 85.5233 - 0.215?​
Sedbober [7]

Answer:

85.5233 divided by 0.215 = 397.8

Step-by-step explanation:

8 0
3 years ago
Which system of equations is represented in the graph?
joja [24]

Answer:d

Step-by-step explanation:

grugsfhijgefgjbv ya nij

3 0
3 years ago
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