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bazaltina [42]
2 years ago
15

Please help by the way this is differentiation ​

Mathematics
1 answer:
Nat2105 [25]2 years ago
7 0

Answer:

First i found out the gradient then used the equation of a straight line formula to find the tangent

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-4/5 + 3/10 simplified​
liberstina [14]

Answer:

-1/2

Step-by-step explanation:

We need to get a common denominator of 10

-4/5 *2/2 = -8/10

-8/10 +3/10

-5/10

Divide the top and bottom by 5

-1/2

8 0
3 years ago
keelah's clothing store buys coats for $50 and then sells them for$80. what is the percent of mark up on the price of the coat
Vesna [10]
I think the correct answer will be 50
8 0
3 years ago
PLEASE HELP!!!! what is the slope of the line that passes through the pair of points
olasank [31]
<span>(-2,7)
(18,1)

Slope = difference in "y" / </span><span>difference in "x"

Slope = 7 - 1 / -2 -18
</span>
<span>Slope = -6 / -20

Answer is 2) -3 / 10

</span>
4 0
3 years ago
100+[12×{20−(10÷5)}]<br> =
Dima020 [189]
<h2>= 316</h2><h2>_______________</h2>

<u>Step-by-step explanation:</u>

= 100+[12×{20−(10÷5)}]

= 100+[12×{20−2}]

= 100+[12×18]

= 100+216

= 316

<h2>_______________</h2><h2>FOLLOW ME</h2>
3 0
3 years ago
if a questions asks to find the area of half of the circle would you do 3.14(pie) times r2(radius squared) times 1/2? and if no
Leya [2.2K]

Answer:

A=\dfrac{3.14r^2}{2}

Step-by-step explanation:

The area of a circle is given by :

A=\pi r^2

Where

r is the radius of the circle.

If we talk about the area of half of the circle, it means we have to half the area such that,

A=\dfrac{\pi r^2}{2}\\\\or\\\\A=\dfrac{3.14r^2}{2}

Hence, this is the required solution.

4 0
3 years ago
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