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Mazyrski [523]
2 years ago
13

Find the derivative of f(x)=7 by the limit process

Mathematics
1 answer:
Alex17521 [72]2 years ago
6 0
f'(x)=\displaystyle\lim_{h\to0}\frac{f(x+h)-f(x)}h

If f(x)=7, then

f'(x)=\displaystyle\lim_{h\to0}\frac{7-7}h=0

which is what you expect from a constant function.
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Talja [164]

Answer:

a=15

Step-by-step explanation:

By pythagoras' theorem

25²=20²+a²

625=400+a² group like terms

a²=625-400

a²=225

\sqrt{a {}^{2} }  =  \sqrt{225}

therefore a=15

6 0
2 years ago
Why can you use Linear Pairs and Vertical Angles to prove lines are parallel?
natta225 [31]

Answer:

The reason why linear pairs and vertical angles are used to prove lines are parallel is because they area transversal drawn through the parallel lines will form angles on each of the two parallel lines including;

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2) Vertical angles

3) Alternate angles

Given that either;

a) The corresponding angles that form the linear pairs are congruent

b) The corresponding vertically opposite angles are congruent

c) The corresponding alternate angles are congruent, we have;

The two lines are said to be parallel.

Step-by-step explanation:

5 0
2 years ago
What is the relationship between 5.34×1055.34×105 and 5.34×10−25.34×10−2 ?
storchak [24]
 5+2=7 which means there will  be 7 zeros  so it is 10000000 times greater than
7 0
3 years ago
Read 2 more answers
Ivana works at a department store selling perfume and makeup. She earns $375 per week and 4% commission on her sales. If Ivana's
Aleks04 [339]

Answer:

<h2>$1380.2</h2>

Step-by-step explanation:

Step one:

given data

weekly earnings= $375

Commission is 4% of sales.= 0.4

supposing sale is x, and the total earning is y

the expression for the total earning will be

y=375+0.4x

Step two:

for x= 2513, y will be

y=375+0.4(2513)

y=375+1005.2

y=1380.2

<em><u>Hence  her total earnings for the week will be $1380.2</u></em>

3 0
3 years ago
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maxonik [38]
Best jump=4.25+0.12(4.25)=4.76
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5 0
3 years ago
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