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7nadin3 [17]
3 years ago
10

If you subtract 14 from twice a number, the result is 6. What is the number?

Mathematics
1 answer:
julia-pushkina [17]3 years ago
7 0

The equation for this statement:

2x – 14 = 6

=> 2x = 6 + 14

=> 2x = 20

=> x = 20/2

=> x = 10

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F(x)=e*1/x<br>Calculate f'(x) ​
Murljashka [212]

Answer:

\huge\boxed{f'(x)=-\dfrac{e^\frac{1}{x}}{x^2}}

Step-by-step explanation:

(e^x)'=e^x\\\\\bigg[f\bigg(g(x)\bigg)\bigg]'=f'\bigg(g(x)\bigg)\cdot g'(x)\\\\\left(\dfrac{1}{x}\right)'=-\dfrac{1}{x^2}\\\\====================

f(x)=e^\frac{1}{x}=\left(e^\frac{1}{x}\right)'\cdot\left(\dfrac{1}{x}\right)'=e^\frac{1}{x}\cdot\left(-\dfrac{1}{x^2}\right)=-\dfrac{e^\frac{1}{x}}{x^2}

6 0
4 years ago
What is the value of b?
Evgen [1.6K]

Answer:

30

b =   \sqrt{ {c}^{2}  -  {a}^{ {2} } }

b =  \sqrt{ {34}^{2}  -  {16}^{2} }

b = \sqrt{1156 - 256}

b =  \sqrt{900}

b =  30

6 0
3 years ago
Round these numbers to 1
s344n2d4d5 [400]

Answer:

A) 6.4

B) 13.2

C)26.5

D)154.3

E)282.4

F)0.3

3 0
3 years ago
Convert 500ml to 4c​
Lapatulllka [165]

Answer:

Step-by-step explanation:

The answer is 2.11 cups because 100 ml is equal to 0.42 so if you add 0.42 five times then you get 2.11 cups

3 0
3 years ago
Choose the correct simplification of the expression d3 ⋅ d5. <br> d <br> d15 <br> d2 <br> d8
irga5000 [103]

Answer:

Option D is correct

d^{8}  

Step-by-step explanation:

Given the expression: d^3 \cdot d^5  

Use exponents rule:

x^a \cdot x^b = x^{a+b}

Apply the rule in the given expression;

d^3 \cdot d^5  

d^{3+5}  

d^{8}  

Therefore, the correct simplification of the given expression is, d^{8}  

7 0
4 years ago
Read 2 more answers
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