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Archy [21]
3 years ago
11

Which two expressions are equal?

Mathematics
1 answer:
guapka [62]3 years ago
4 0
Answer: C and d my guy becuz u have to calculate all and see answers moomoo
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Which alegbraic expression models the given word phrase?
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40 fewer than a number which is T would be

C 40-t


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3 years ago
The heights of American men aged 18 to 24 are approximately normally distributed with mean 68 inches and standard deviation 2.5
MissTica

Answer:

78.81

Step-by-step explanation:

6 0
3 years ago
Can u plz tell me the percent for each degrees?? Thnxxx.
Pavel [41]
25% for 90deg
15% for 54deg
10% for 36deg

All I did was put the degree number over 360 and moved the decimal place to the right twice :)
7 0
3 years ago
Read 2 more answers
If a savings account of $48,900 is compounded annually at 19.1% annual interest, how much will the account be worth in 53 months
ankoles [38]
Interest rate i=19.1% compounded annually.
Initial deposit, P=48900
Time t=53 months=53/12 years

Use compound interest formula
Future value,
F=P(1+i)^(t)=48900(1+0.191)^(53/12)
=  $105,824.40  (to the nearest cent)
4 0
3 years ago
<img src="https://tex.z-dn.net/?f=y%20%3D%20%20%5Cfrac%7B%20%20%5Csqrt%7B3x%7D%20%7D%7B1%20%2B%20e%5E%7B2x%7D%20%7D%20" id="TexF
kumpel [21]

~~~~~~~~y = \dfrac{\sqrt{3x}}{ 1+ e^{2x}}\\\\\\\implies \dfrac{dy}{dx} = \dfrac{d}{dx}  \left( \dfrac{\sqrt{3x}}{1+ e^{2x}} \right)\\\\\\~~~~~~~~~~~~=\dfrac{(1 + e^{2x} ) \dfrac{d}{dx} \left(\sqrt{3x} \right) - \left(\sqrt{3x} \right)\dfrac{d}{dx}(1+e^{2x})}{\left( 1+ e^{2x} \right)^2}~~~~~~~~~~~~;[\text{Quotient rule}]\\\\\\~~~~~~~~~~~~=\dfrac{(1+e^{2x}) \cdot \dfrac{1}{2\sqrt{3x}} \cdot 3-\left(\sqrt{3x} \right) \cdot 2 e^{2x}}{(1 + e^{2x})^2}~~~~~~~~~~~~~~~~~~~~;[\text{Chain rule}]\\\\\\

            =\dfrac{\dfrac{\sqrt 3 (1 + e^{2x})}{2\sqrt x} -2e^{2x} \sqrt{3x}}{(1+e^{2x})^2}\\\\\\=\dfrac{\tfrac{\sqrt 3(1 +e^{2x}) - 4x\sqrt 3 e^{2x}}{2\sqrt x}}{(1+e^{2x})^2}\\\\\\=\dfrac{\sqrt 3(1+e^{2x} -4xe^{2x})}{2\sqrt x(1 +e^{2x})^2}

7 0
1 year ago
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