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3 years ago

Haley simplifies 3^5 · 4^5 and gets the result 12^10, but Lacey is not sure. Is Haley correct?

Mathematics

1 answer:

Ivahew [28]3 years ago

4 0

$\bf 3^5\cdot 4^5\implies (3\cdot 4)^5\implies (12)^5\implies 12^5$

what happened is Haley didn't get enough syrup in her pancakes.

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Explain why you cannot evaluate √−25 using real numbers.

puteri [66]

We can not evaluate it with real numbers, because there is no real number that multiplies itself twice and gives -25.

The answer is an imaginary number.

√-25 = 5i where i = √-1

So it can only be computed using imaginary numbers.

6 0

3 years ago

Help!!!!

joja [24]

Answer:

0.28 yr

Step-by-step explanation:

To find the doubling time with continuous compounding, we should look at the formula:

$FV = PVe^{rt}$

FV = future value, and

PV = present value

If FV is twice the PV, we can calculate the doubling time, t

$\begin{array}{rcl}2 & = & e^{rt}\\\ln 2 & = & rt\\t & = & \dfrac{\ln 2}{r} \\\end{array}$

1. Samuel's doubling time

$\begin{array}{rcl}t & = & \dfrac{\ln 2}{0.055}\\\\& = & \textbf{12.603 yr}\\\end{array}$

2. Claire's doubling time

$\begin{array}{rcl}t & = & \dfrac{\ln 2}{0.05625}\\\\& = & \textbf{12.323 yr}\\\end{array}$

3. Samuel's doubling time vs Claire's

12.603 - 12.323 = 0.28 yr

It would take 0.28 yr longer for Samuel's money to double than Claire's.

4 0

4 years ago

(1 + 2) x 2<br> it equals 6

torisob [31]

Answer:

yes you have to use PEMDAS

Step-by-step explanation:

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3 years ago

Name some jobs that include math on a daily bases.

valkas [14]

Answer:

Statisticians and Mathematicians. Statisticians use math on a daily basis. ...

Engineers and Architects. Correct use of math is a critical skill for engineers and architects to ensure that the buildings and structures they build are safe.

Healthcare Professionals. ...

Cryptographers. ...

Programmers and Designers. ...

Scientists. ...

Step-by-step explanation:

4 0

3 years ago

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What value of x makes this equation true? -2x+3=-15

zhannawk [14.2K]

Answer:

Step-by-step explanation:

-2x + 3 = -15

-2x = -15 - 3

-2x = -18

x = 9

Hope this helps! :)

5 0

4 years ago

Read 2 more answers