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MaRussiya [10]
3 years ago
13

WILL MARK BRAINLIST TO WHOEVER ANSWERS FIRST!!!!!!!1

Mathematics
1 answer:
valentina_108 [34]3 years ago
3 0

Answer:

D is my answer

B is my 2nd choice but im going with D hopefully im right and if I am, lmk

Step-by-step explanation:

remember it says which of the following equations can be used to determine NOT how much she will have after "w" weeks so it is not A.

C. is wrong because the 40 is supposed to come before the 20.

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Find the slope of the tangent line to the parabola y=4x-x^2 at the point (1,3)
Anna35 [415]
Y=4x - x²
dy/dx = 4-2x
dy/dx | x=1 : 4-2(1) = 4-2= 2
gradient= 2
7 0
3 years ago
SOLUTION TO 2X=3=X-4
OlgaM077 [116]

Answer:so 2x square+5x-12

Step-by-step explanation:

look carefully

8 0
3 years ago
Find the 6th term of the expansion of (2p - 3q)11. a. -7,185,024p4q7 c. -7,185p4q7 b. -7,185,024p6q5 d. -7,185p6q5
bezimeni [28]
\bf (2p-3q)^{11}\implies 
\begin{array}{llll}
term&coefficient&value\\
-----&-----&-----\\
1&&(2p)^{11}(-3q)^0\\
2&+11&(2p)^{10}(-3q)^1\\
3&+55&(2p)^9(-3q)^2\\
4&+165&(2p)^8(-3q)^3\\
5&+330&(2p)^7(-3q)^4\\
6&+462&(2p)^6(-3q)^5
\end{array}

the coefficient for the first term is 1, the next is 11 and so on... now, notice, the elements of the binomial, the 1st element starts off with 11, and every term it goes down by 1, the 2nd element starts off at 0, and goes up by 1 in each term.

now, to get the next coefficient, you simply, "get the product of the current coefficient and the exponent of the 1st element, and divide that by the exponent of the 2nd element in the next term".

for example, how did we get 165 for the 4th term.... well  (55*9)/3

how did we get 462 for the 6th term? well (330*7)/5.

and then you can just expand it from there.
8 0
3 years ago
Read 2 more answers
Help with this please 
emmainna [20.7K]
\bf \begin{array}{llll}
step~1&4x=28\\\\
step~2&x=\cfrac{28}{4}\impliedby \textit{she did not divide 28 by 4}
\end{array}

7 0
3 years ago
I need help. I'm confused ​
Alex
So, it is most likely that Joel runs 7 miles a day. On the x-axis would be the number of days he runs and the y-axis would be the mileage.
4 0
2 years ago
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