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Artyom0805 [142]
2 years ago
8

What does y = 1x - 3 and y=-x-21 - 3 have in common?

Mathematics
1 answer:
sergij07 [2.7K]2 years ago
5 0

Answer:  Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(

−

21

2

,

−

27

2

)

Equation Form:

x

=

−

21

2

,

y

=

−

27

2

Step-by-step explanation:

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2 years ago
Rewrite, differentiate and simplify:<br> 3/(2x)^3
Llana [10]

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let y = \frac{3}{(2x)^{3} } = \frac{3}{8} x^{-3}

differentiate using the power rule

\frac{d}{dx} (ax^{n} ) = nax^{n-1}

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8 0
3 years ago
I don’t understand this! I just need an answer and how to solve it!
Elenna [48]

Answer:

Step-by-step explanation:

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6 0
3 years ago
Find x, y, and z.<br><br> Multiple choice answers are below!
labwork [276]

Answer:

<u>The correct answer is B. x ≈ 4.5, y = 5, z = 9</u>

Step-by-step explanation:

1. We will use the Pythagorean theorem for solving for x, this way:

x² = 6² - 4²

x² = 36 - 16

x² = 20

x = √20

x = 2 √5 = 4.47 ≈ 4.5

2. For solving for y, we will do it this way:

There are only two possible options: y = 5, included in answer B or y = 9 as it is defined on answer C.

If we review it carefully, we will realize that y = 9 is not accurate because as we can see in the graph y + 4 = z and in this specific case, 9 + 4 ≠ 5 but it's true that 5 + 4 = 9.

<u>Because of this reason, the correct answer is B. x ≈ 4.5, y = 5, z = 9</u>

7 0
3 years ago
I need help please???):
Ket [755]

Answer:

The first option is correct.

Step-by-step explanation:

how do we multiply x - 9 by something? we put it in brackets

(x - 9) × (-3) = 51

that can be written like this

(x - 9)(-3) - 51

5 0
3 years ago
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