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Delicious77 [7]
3 years ago
13

How to find instantaneous rate of change algebraically?

Mathematics
1 answer:
frosja888 [35]3 years ago
3 0
You use (y2-y1)/(x2-x1) so if you have two points (ex: (1,2) and (2,4)), plug in those number into the formula
(4-2)/(2-1) = 2/1 = 2 so the slope (or instantaneous rate of change) is 2 for those two points<span />
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Sanjay borrowed 7,000 at a simple interest rate of 3% per year. After a certain number of years he had paid $840 in interest alt
alexgriva [62]

Answer:

It was 4 years.

Step-by-step explanation:

To solve this problem we need to use the appropriate formula for simple interest, which is shown below:

M = C*r*t

Where M is the amount of interest, C is the initial amount of money, r is the rate of interest and t is the time elapsed in years. Applying the data from the problem we have:

840 =7000*0.03*t

840 = 210*t

210*t = 840

t = 840/210

t = 4

It was 4 years.

7 0
3 years ago
(8x - 14) (5y + 16) (5x + 34)​
labwork [276]

Answer: 200x^2y+640x^2+1010xy+3232x-2380y-7616

Step-by-step explanation:

((8x−14)(5y+16))(5x+34)

((8x−14)(5y+16))(5x)+((8x−14)(5y+16))(34)

200x2y+640x2−350xy−1120x+1360xy+4352x−2380y−7616

200x2y+640x2+1010xy+3232x−2380y−7616

3 0
3 years ago
What is the surface area of the rectangular pyramid
posledela

Answer:

<h2>41.74 m²</h2>

Step-by-step explanation:

We have:

rectangle 4.8 m × 3.8 m

two triangles with base b = 4.8 m and height h = 2.6 m

two triangle with base b = 3.8 m and height h = 2.9 m.

The formula of an area of a rectangle l × w:

A = lw

Substitute:

A_1 = (4.8)(3.8) = 18.24\ m^2

The formula of an area of a triangle:

A=\dfrac{bh}{2}

Substitute:

A_2=\dfrac{(4.8)(2.6)}{2}=6.24\ m^2\\\\A_3=\dfrac{(3.8)(2.9)}{2}=5.51\ m^2

The Surface Area:

S.A.=A_1+2A_2+2A_3\\\\S.A.=18.24+2(6.24)+2(5.51)=41.74\ m^2

3 0
3 years ago
What is an example of an Apostrophe in the poem Ode to thanks? This is worth 61 points, and will mark brainliest for the first c
maxonik [38]

Step-by-step explanation:

figure of speech in which a character or speaker addresses someone who is absent. This could be a person they know or don’t know someone who is alive or dead, or someone who never existed at all. It might also be a non-human animal, an abstracted, but personified force, or even an object. Often, this technique is used when a speaker addresses a god or group of gods.

Apostrophe Examples

Twinkle, twinkle, little star, how I wonder what you are. ( ...

O holy night! ...

Then come, sweet death, and rid me of this grief. ( ...

O, pardon me, thou bleeding piece of earth. ( ...

Roll on, thou deep and dark blue Ocean – roll! ( ...

Welcome, O life!

3 0
3 years ago
Read 2 more answers
A taxi company charges its passengers a fee of $3.75 plus $2.25 per mile. Melissa's taxi fare is $38.85. How many miles did Meli
OLga [1]
Answer is in the attached photo
X=15.6 miles
3 0
3 years ago
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