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Maslowich
3 years ago
15

(3d + 9) + (4a+6)= Ssdddd

Mathematics
1 answer:
Lina20 [59]3 years ago
6 0

Answer:

4a + 3d + 15

Step-by-step explanation:

Remove parentheses.

3d + 9 + 4a + 6  

Add 9 and 6.

3d + 4a + 15  

Reorder 3d and 4a.  

4a + 3d + 15

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Can (5z+3)(-5z-3) result in a difference of squares
castortr0y [4]

Answer:

no, it cannot

Step-by-step explanation:

a difference of square is: a² - b² = (a - b)(a + b)

looking at the expression (5z+3)(-5z-3), we see that it does not fit the criteria of the breakdown of a perfect square, as (-5z-3) has a negative <em>a</em> term (-5z)

if we FOILed (5z+3)(-5z-3) out, we would get:

-25z² - 30z - 9, which is not a difference of squares

8 0
3 years ago
Can somebody please get me the answer to this?
Advocard [28]

Answer:

x = 15 , y = 105 ,z= 105

Step-by-step explanation:

i dont think you need explanation for all this

7 0
2 years ago
What are the are and perimeter of the triangle?
fenix001 [56]

Answer:

First option is correct answer.

Step-by-step explanation:

Area = 4x - 10

Perimeter = x + 8

5 0
3 years ago
Does anyone know what the first question is ?
icang [17]
Answer is negative two
3 0
3 years ago
without calculating steven says that prisms A and B have the same volume. Explain why Steven is correct​
Harlamova29_29 [7]

Answer:

The shapes are the same, just one is sideways. They also have very similar measurements.

Step-by-step explanation:

Even so, when we check this we get:

(1 1/2 x 1 3/4) 7 = (3 x 1 3/4) 3 1/2

when simplified (solved) this is: 18 3/8 = 18 3/8

3 0
3 years ago
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