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Shtirlitz [24]
4 years ago
7

3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5.

Mathematics
1 answer:
tatyana61 [14]4 years ago
8 0
Ok so from experience on this site
3x2=3x^2
people don't know how to put exponents
3x^2-y^3-y^3-z
simplify first

3x^2-2y^3-z

x=3
y=-2
z=-5
3(3^2)-2(-2)^3-(-5)
3(9)-2(-8)+5
27+16+5
48
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The price of a bicycle was reduced from $120 to $90. By what percentage was the price of the bicycle reduced?
Degger [83]

Answer:price of the bicycle was reduced by 25%

Step-by-step explanation:

Step 1

Old Price of bicycle = $120

New Price of  bicycle= $90

Price decrease= $120-$90= $30

Step 2

Percentage decrease = Decrease / Original price x 100

= (30/120)  x 100

1/4 x 100

= 25%

Therefore the percentage decrease in the price is 25%

5 0
3 years ago
Will mark as brainliest! 40 points! Thanks!
n200080 [17]

When given a system of equations, the "solutions" are defined where two equations intersect, or meet.


A. The point where the lines p(x) and g(x) meet is (3, -1), and thus this is considered the solution set.

B. Because there are three lines in total, g(x) is able to intersect both lines one time, and so it has two pairs of solutions.

The first is (3, -1), which has already been established with p(x).

The second is (0, 5), and this is where it intersects with f(x).

C. The solution to f(x) = g(x) is 0, as this is the only x value where both equations are equal.


Hope my answer helped!

6 0
3 years ago
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HACTEHA [7]

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Step-by-step explanation:

5 0
3 years ago
Point P' is the image of P (-2, 4) under a translation by 2 units to the left and 5 units down. What are the coordinates of P'?
Oliga [24]

Answer:

(-4, -1)

Step-by-step explanation:

"A translation by 2 units to the left and 5 units down" would be: (x,y)\rightarrow(x-2,y-5)

Apply the rule to point P:

(-2,4)\rightarrow(-2-2,4-5)\rightarrow\boxed{(-4,-1)}

P' should be be (-4, -1).

Hope this helps.

4 0
3 years ago
Which symbol creates a true sentence when x equals 6?
Cloud [144]
Hi there!

To see which symbol meets the equation when x is 6, we can plug x into the equation.

7 • 6 - 3(6) ___ 5(11 - 6)

Simplify:

42 - 18 ___ 5(5)
24 ___ 25

24 < 25

Hope this helps!
7 0
4 years ago
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