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3 years ago

For which equation is w= 4 not the solution?

Mathematics

2 answers:

marusya05 [52]3 years ago

8 0

Answer:

The answer is w - 2 = 4.

Step-by-step explanation:

w + 7= 11 is not correct because 4 + 7= 11 and the solution is true.

w - 1= 3 is not correct because 4 - 1= 3 and the solution is true.

6 + w = 10 is not correct because 6 + 4 = 10 and the solution is true.

w - 2 = 4 is correct because 4 - 2 does not = 4, but 2 and the solution is not true.

Therefore, w - 2 = 4 is correct.

I hope this Helps! Have a great day (:

ale4655 [162]3 years ago

3 0

Answer:

w - 2 = 4

Step-by-step explanation:

4-2 is not equal to 4. therefore, w does not equal 4.

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Write a polynomial function of the least degree that has roots of 3 and (4 + i).

polet [3.4K]

Answer:

x³ - 11x² + 41x - 51

Step-by-step explanation:

The least number of degree is 3 and the third root should be (4 - i) to make polynomial rational.

The polynomial is:

(x - 3)(x - (4 + i))(x - (4 + i)) =
(x - 3)(x² -x(4 + i + 4 - i) + (4 + i)(4 - i)) =
(x - 3)(x² - 8x + 16 - (-1)) =
(x - 3)(x² - 8x + 17) =
x³ - 8x² + 17x - 3x² + 24x - 51 =
x³ - 11x² + 41x - 51

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2 years ago

Find the surface area of the cylinder

STatiana [176]

<h2>Solution:-</h2>

• Surface area of a cylinder = 2πr(r + h) sq. units.

In the above diagram,

Radius (r) of the cylinder = 13 cm.

Height (h) of the cylinder = 39 cm.

<h3>• Taking value of π = 3.14</h3>

Hence, Surface area of the cylinder = 2 × 3.14 × 13(13 + 39)

Surface area of the cylinder = (81.64 × 52) cm²

Surface area of the cylinder = 4245.28 cm²

The surface area of the cylinder is 4245.28 cm². [Answer]

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2 years ago

Looking for an answer to a. please

Paladinen [302]

It's a cube so x should also equal 6

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2 years ago

Which equation is the direct variation equation if f(x) varies directly with x and f(x)=-18 when x=3

Otrada [13]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad \stackrel{f(x)}{y}=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=-18\\
x=3
\end{cases}\implies -18=k3
\\\\\\
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Roman said that the ratio comparing how many miles he walks to how many miles patrick walks each week is 3:2. patrick said that

Viktor [21]

Answer:

Since Roman walks 1 more than Patrick then you have to subtract 1 from Patricks number of miles.

4 0

3 years ago