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VLD [36.1K]
2 years ago
14

Which equation is equivalent to StartRoot x EndRoot + 11 = 15?

Mathematics
1 answer:
Lerok [7]2 years ago
5 0

The equivalent expression of \sqrt x + 11 = 15 is \sqrt x = 15 - 11

<h3>How to determine the equivalent expression?</h3>

The complete question is in the attached image

The expression is given as:

\sqrt x + 11 = 15

Subtract 11 from both sides of the equation

\sqrt x + 11 - 11= 15 - 11

This gives

\sqrt x = 15 - 11

Hence, the equivalent expression of \sqrt x + 11 = 15 is \sqrt x = 15 - 11

Read more about equivalent expression at:

brainly.com/question/4344214

#SPJ1

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A carpenter goes through 3.4 boxes of nails
jeka57 [31]

4.5 boxes of nails are required for finishing 2 tables

Step-by-step explanation:

Given:

3.4 boxes of nails  are required for finishing 1.5 tables

Required:

How much boxes of nails would he use  for finishing 2 tables

Solution:

We can solve using Unitary Method:

Nails needed to finish 1.5 tables = 3.4 boxes

Nails needed to finish 1 table = \frac{3.4}{1.5}\,\,boxes

Nails needed to finish 2 tables = \frac{3.4}{1.5}*2 =4.5\,\,boxes

So, 4.5 boxes of nails are required for finishing 2 tables.

Keywords: Word Problems

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4 0
3 years ago
Help with numer 5 please. thank you​
Alex17521 [72]

Answer:

See Below.

Step-by-step explanation:

We are given that:

\displaystyle I = I_0 e^{-kt}

Where <em>I₀</em> and <em>k</em> are constants.

And we want to prove that:

\displaystyle \frac{dI}{dt}+kI=0

From the original equation, take the derivative of both sides with respect to <em>t</em>. Hence:

\displaystyle \frac{d}{dt}\left[I\right] = \frac{d}{dt}\left[I_0e^{-kt}\right]

Differentiate. Since <em>I₀ </em>is a constant:

\displaystyle \frac{dI}{dt} = I_0\left(\frac{d}{dt}\left[ e^{-kt}\right]\right)

Using the chain rule:

\displaystyle \frac{dI}{dt} = I_0\left(-ke^{-kt}\right)  = -kI_0e^{-kt}

We have:

\displaystyle \frac{dI}{dt}+kI=0

Substitute:

\displaystyle \left(-kI_0e^{-kt}\right) + k\left(I_0e^{-kt}\right) = 0

Distribute and simplify:

\displaystyle -kI_0e^{-kt} + kI_0e^{-kt} = 0 \stackrel{\checkmark}{=}0

Hence proven.

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3 years ago
4(8 + 3x) Describe the two factors in this question.
Georgia [21]
4(8 + 3x)
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3 years ago
3/7 as a percentage (closest as possible)
3241004551 [841]

Answer:

your answer will be 42.857143%

3 0
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A square has the area of 16x2+16x+4. <br><br> Write the polynomial that represents the perimeter.
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the answer to the question
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