2 years ago

Which of the numbers listed below are solutions to the equation? Check all

Mathematics

1 answer:

8_murik_8 [283]2 years ago

6 0

Answer:

The answer is 25 and -25 :)

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A. x = 40 c. x = 20 b. x = 10 d. x = 15

velikii [3]

Answer:

Step-by-step explanation:

Multiply x/20 each side

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3 years ago

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Find the minimum value if f(x) = xe^x over [-2,0]

SashulF [63]

Given function:

$f(x)=xe^x$

The minimum value of the function can be found by setting the first derivative of the function to zero.

$f^{\prime}(x)=xe^x+e^x$ $\begin{gathered} xe^x+e^x\text{ = 0} \\ e^x(x\text{ + 1) = 0} \end{gathered}$

Solving for x:

$\begin{gathered} x\text{ + 1 = 0} \\ x\text{ = -1} \end{gathered}$ $\begin{gathered} e^x\text{ = 0} \\ \text{Does not exist} \end{gathered}$

Substituting the value of x into the original function:

$\begin{gathered} f(x=1)=-1\times e^{^{-1}}_{} \\ =\text{ -}0.368 \end{gathered}$

Hence, the minimum value in the given range is (-1, -0.368)

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1 year ago

the surface area of a square pyramid is 84 square inches. the side length of the base is 6 inches. what is the value of x?

Sladkaya [172]

The formula is(V=B•h)(84•6)

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3 years ago

How to write half of a number is equal to -5?

Oxana [17]

1/2x=-5 is the answer

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2 years ago

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Someone please help w image below

Nadusha1986 [10]

Answer:

slope = 0

Step-by-step explanation:

A horizontal line parallel to the x- axis has a slope of zero.

Since the x- axis has a slope of zero, any line parallel to it will also have a slope of zero.

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