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Vlada [557]
2 years ago
8

Help me please. (Algebra I)

Mathematics
2 answers:
Mashutka [201]2 years ago
7 0

------------------------------
Equations:
Quantity Eq.::: x + y = 480
Value Eq.::::: 5x +8y = 2895
------
Multiply thru the Quantity equation by 5
5x + 5y = 5*480
5x + 8y = 2895
---
Subtract the 1st from the 2nd:
3y = 495
y = 165 (# of non-student tickets sold)
---
Since x+y = 480, x = 480-165 = 315 (# of student tickets sold)
Zepler [3.9K]2 years ago
5 0
The answer is F. 164 tickets were sold for $8 each
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Help quick please. Order the numbers from least to greatest.
Anastasy [175]

Answer:

-2\frac{1}{4}

Step-by-step explanation:

Mod of any number represents the absolute value of the number.

Therefore, |-2\frac{1}{4}|=2\frac{1}{4} = 2.25

-2\frac{1}{4}=-2.25

|1\frac{1}{4}|=1.25

\frac{3}{4}=0.75

|-1\frac{3}{4}|=1\frac{3}{4}=1.75

-1\frac{1}{4}=-1.25

Now we can arrange these numbers in ascending order.

-2.25 < -1.25 < 0.75 < 1.25 < 1.75 < 2.25

Therefore, -2\frac{1}{4}

4 0
2 years ago
Part I: Describe the center and radius of the circle.
trasher [3.6K]

Answer:

Center (2,4) , radius=3, h=2 v=4 & r=3

Step-by-step explanation:

Ok so in order to find the center of the circle, use the graph (like you can see that the x is 2,if you count down from 5 to the left. the y is 4,because it's below 5 in the y pole).So the center is (2,4)

Now, in order to find the length of the radius, you need to do the following:

Take the center point (2,4) and the point where the circle ends (2,1) . Because radius is a straight, you can substract the y values of the two points : 4-1=3

As you can see in the equation, the h symbolizes the x of the center point and the v symbolizes the y.The r is the radius that we already found(3)

So it's shouldn't be a problem now to find the equation of the circle,simply replace the values with their numbers:

(x-2)^2 + (y-4)^2 = 9

4 0
3 years ago
You have 10 boxes and you shade 3 of the boxes what is the fraction of that.
7nadin3 [17]
If you have 10 boxes and you shade 3 of these boxes, then the fraction of shaded boxes is 3/10.  The fraction of unshaded boxes would just be the remainder of boxes, or 7/10.
7 0
2 years ago
A fireworks display is launched from a platform 10 feet above ground with an initial upward velocity of 70 feet per second. The
Lena [83]

Answer: A. 87 feet


Step-by-step explanation:

1. You can find the t value of the vertex of the parabola as following:

t=-\frac{b}{2a}

2. Substitute values:

a=-16

b=70

Then:

 t=-\frac{70}{2(-16}

t=2.18

3. Substitute the vaue obtained into the equation given in the problem. Therefore, you obtain the following result:

h=-16t^{2}+70t+10\\h=-16(2.18)^{2}+70(2.18)+10\\h=86.56

4. To the nearest foot:

h=87 feet

6 0
2 years ago
Does anyone know, slope: 3/2 y-intercept -4?
storchak [24]

Answer:

slope is 2/3.

Step-by-step explanation:

8 0
2 years ago
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