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Papessa [141]
2 years ago
15

Question in screen shot

Mathematics
1 answer:
dedylja [7]2 years ago
4 0
You have to multiply negative 1 outside of every expression. ex; -1 (1). Each x value now has to be turned into a negative. If i’m not wrong, I assume the y values would also be turned into a negative. Hope this helped :)
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Let r(t)=⟨t2,1−t,4t⟩. calculate the derivative of r(t)⋅a(t) at t=5, assuming that a(5)=⟨−4,4,−5⟩ and a′(5)=⟨−5,9,3⟩
erastovalidia [21]
\mathbf r(t)=\langle t^2,1-t,4t\rangle
\implies\mathbf r'(t)=\langle 2t,-1,4\rangle

\dfrac{\mathrm d(\mathbf r(t)\cdot\mathbf a(t))}{\mathrm dt}\bigg|_{t=5}=\mathbf r'(5)\cdot\mathbf a(5)+\mathbf r(5)\cdot\mathbf a'(5)
=\langle10,-1,4\rangle\cdot\langle-4,4,-5\rangle+\langle25,-4,20\rangle\cdot\langle-5,9,3\rangle
=(-40-4-20)+(-125-36+60)
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6 0
3 years ago
What is the x for x - 8 = -5
nika2105 [10]

Answer:

3

Step-by-step explanation:

add 8 to both sides then x=3

5 0
3 years ago
Solve for x. 5x - 4 = -3x + 12
Dmitriy789 [7]

Step-by-step explanation:

5x+3x=12+4

8x=16

x=16÷8

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5 0
3 years ago
Read 2 more answers
If your pencils is 20 centimeters long how many millimeters is it
Alex Ar [27]
HI


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4 0
3 years ago
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The square of a number, x, is 16 less than eight times the number. What is the number? Type the correct answer in the box. Use n
liraira [26]

Given :

The square of a number, x, is 16 less than eight times the number.

To Find :

The value of x .

Solution :

The mathematical equation with all given data is :

x^2=8x-16\\\\x^2-8x+16=0\\\\x^2-4x-4x+16=0\\\\x(x-4)-4(x-4)=0\\\\(x-4)^2=0\\\\x=4

Therefore , the value of x is 4 .

Hence , this is the required solution .

3 0
3 years ago
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