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Nastasia [14]
2 years ago
10

Are the expressions 5 ( x - 3) and 5x + 15 equivalent? use the distributive property to support your answer

Mathematics
1 answer:
ratelena [41]2 years ago
3 0

Answer: No

Step-by-step explanation: No, they aren't. If you look at 5 and multiply (distribute) it to <u>negative</u> three you will end up with -15. And 15 is not equal to negative 15.

I hope this helps!

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7 1/4 times 2 x 2 + (8 1/2 - 2) divided by 3
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The answer is 31 1/6, I hope this helps!
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Help me please! correct answer gets brainliest!!
MrRa [10]

47 - 19 = 28

28/4 = 7

At most they can spend 7 hours

The solution is

T = (47-19)/4

T = 28/4

T = 7

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What is the area of the composite shape?
yuradex [85]

Answer:

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5 0
2 years ago
The area of a triangle is 15x^4+3x^3+4x^2-x-3 square meters. The length of the base of the triangle is 6x^2-2 meters. What is th
MArishka [77]

Answer:

The height of the triangle is: H = (5x^2 + x +3)

Step-by-step explanation:

Here, the area the triangle  is given as: 15x^4 + 3x^3 + 4x^2 - x  - 3

Also, base of the triangle  = (6x^2 -2)

Let us assume the height of the triangle = H units

Now, AREA of TRIANGLE =  \frac{1}{2}  \times B  \times H

\implies (15x^4+3x^3+4x^2-x-3 ) = \frac{1}{2}  \times ( 6x^2-2)  \times H\\\implies H =\frac{ (15x^4+3x^3+4x^2-x-3 )}{(3x^2-1)}

Solving by LONG DIVISION, we get:

H = (5x^2 + x +3)

Hence, the height of the triangle is: H = (5x^2 + x +3)

6 0
3 years ago
What is the radius of the circle shown below?<br> x^2+y^2-2x+6y+9=0
aliina [53]

Answer:

  1

Step-by-step explanation:

The graph below shows the radius to be 1.

__

If we rewrite the equation to standard form, we have ...

  (x^2 -2x +1) +(y^2 +6y +9) = -9 +1 +9

  (x -1)^2 +(y +3)^2 = 1

The square of the radius is 1, so the radius is 1.

8 0
2 years ago
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