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Butoxors [25]
3 years ago
11

What is 8^4 / 8^0 in exponential format?

Mathematics
1 answer:
Deffense [45]3 years ago
3 0
Isn't it just 8^4? (sorry if i get this wrong, this is what i'm currently learning!!)
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During summer vacation, Tori read, on average, 40 pages per night. Now that she has returned to school, she is averaging 5% fewe
STatiana [176]

Answer: 38 pages per night

Step-by-step explanation:

Tori used to read an average of 40 pages per night but now she is going at a rate that is 5% slower.

To find the number of pages she is reading now, first find 5% of 40 pages:

= 5% * 40

= 2

Then subtract this figure from 40:

= 40 - 2

= 38 pages per night

<em>By deducting 5% from the reading quantity, the person is reading at 5% less. </em>

8 0
2 years ago
Find an equation for the line tangent to the curve at the point defined by the given value of t. Also, find the value of d^2y/dx
nikdorinn [45]

Answer:

Differentiation will give you the gradient for the tangent at any point, and you use the product rule whenever a function can be thought of as two functions multiplied together.

If

f

(

x

)

=

g

(

x

)

×

h

(

x

)

then

f

'

(

x

)

=

g

'

(

x

)

h

(

x

)

+

g

(

x

)

h

'

(

x

)

so if

y

=

x

×

sin

x

then

d

y

d

x

=

1

×

sin

x

+

x

×

cos

x

=

sin

x

+

x

cos

x

We know that

x

=

π

2

, so the gradient is

m

=

sin

(

π

2

)

+

π

2

cos

(

π

2

)

=

1

+

π

2

×

0

=

1

Therefore, we can say that

y

=

m

x

+

c

y

=

(

1

)

x

+

c

y

=

x

+

c

So all we really need to find now is the value for

c

, the

y

intercept. We do this by working out a point

(

x

,

y

)

on the graph. We are already given that

x

=

π

2

, so

y

=

x

sin

x

=

π

2

sin

(

π

2

)

=

π

2

×

1

=

π

2

∴

(

x

,

y

)

=

(

π

2

,

π

2

)

Now we substitute this into the equation we already have for the tangent,

y

=

x

+

c

,

(

x

,

y

)

=

(

π

2

,

π

2

)

π

2

=

π

2

+

c

c

=

π

2

−

π

2

=

0

∴

y

=

x

+

c

=

x

+

(

0

)

=

x

which means the tangent to the curve

y

=

x

sin

x

at

(

π

2

,

π

2

)

is simply

y

=

x

.

3 0
2 years ago
brandon has a collection of 25 pair of jordans and adidas shoes the average cost for the jordans are $165 while the average cost
Evgen [1.6K]

Answer:

Step-by-step explanation:

Guess and Check:

$80.00*15=$1,200

$165.00*10=$1,650

$1,200+$1,650=$2,850.

15 of the pairs of shoes are Jordans, while 10 of the pairs are Adidas.

5 0
3 years ago
Taylor wants to read 2 books. One book has 232 pages and the other has 184 pages. She needs to return the books to the library i
Norma-Jean [14]
As many as he can if he wants a good grade


5 0
3 years ago
PLEASE HELP MATH AND FIND THE VALUE OF X
Oksana_A [137]
Answer: x = 9
Explanation: 180 - (84 + 33) = 63, 63 - 9 = 54, 54/6 = 9
5 0
3 years ago
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