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Debora [2.8K]
3 years ago
7

E^x not equal to zero

Mathematics
1 answer:
Zina [86]3 years ago
8 0

Answer:

e^x \neq 0

Step-by-step explanation:

We will prove this with the help of a contradiction:

Let as assume that e^x = 0

Multiplying both sides by e^{-x}

e^x\times e^{-x} = 0\times e^{-x}\\e^0 = 0\\1 = 0

which is not possible.

Hence, our assumption was wrong which led us to a contradiction.

Thus,

e^x \neq 0

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Fiesta28 [93]

Answer:

114 Feet^2

Step-by-step explanation:

Volume is length*width*height

So we can cut our shape into 2 rectanges.

The bottom one will have the dimensions of 6*1*3 which is 18 feet

And the top one will have the dimensions of 8*4*3 which is 96 feet

Add them up, 96+18=114 feet

5 0
3 years ago
Randall already has 20 toys made and makes 10 toys every hour
Fed [463]
10x=20 would be the equation

8 0
4 years ago
If cos a=0•8, what Is the value of tan a​
kotegsom [21]

Answer: 0.75

Step-by-step explanation:

Cos A = 0.8 = 4/5

Note that:

sin = opposite / hypotenuse

cos = adjacent / hypotenuse

tan = opposite / adjacent

Since cos = adjacent / hypotenuse

Therefore, we need to find the opposite which will be:

Hypothenuse² = Opposite² + Adjacent²

5² = Opposite² + 4²

Opposite² = 5² - 4²

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Opposite = ✓9

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Since tangent = opposite / adjacent

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3 0
3 years ago
The surface area of a sphere is 3000 m2. What is the volume of the sphere
riadik2000 [5.3K]

Answer:

The answer is

<h2>15448 cm³</h2>

Step-by-step explanation:

Volume of a sphere is

V =  \frac{4}{3} \pi {r}^{3}

where r is the radius

From the question in order to find the volume of the sphere we must first find the radius of the sphere using it's surface area

Surface area of sphere = 4πr²

3000 = 4πr²

Divide both sides by 4π

r² = 750/π

r = 15. 45 cm

Now the volume of the sphere is

V =  \frac{4}{3} \pi( {15 .45})^{3}

<h2>= 15448.06</h2>

<h3>= 15448 cm³ to the nearest whole number</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
What is the answer to this question ?
astraxan [27]

Answer:

TS=2cm

Step-by-step explanation:

7 0
3 years ago
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