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2 years ago

I need help please and thank you

Mathematics

1 answer:

AnnyKZ [126]2 years ago

5 0

The answer is s = 2t - 1/2r

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Y=4x+3<br> in slope intercept form

Aleks04 [339]

The answer is y=4x+3, it's already in slope intercept form.

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2 years ago

storchak [24]

Answer:

05949494

Step-by-step explanation:

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What’s the slope, if point 1 is (1,1) and point 2 is (-1, -4)

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2 years ago

Simplify square root of five times the quantity ten minus four square root of two. 14 fifteen square root of two five square roo

Vinvika [58]

｡☆✼★ ━━━━━━━━━━━━━━ ☾

√5 x (10 - 4√2)

Multiply the value outside the bracket by everything inside:

10√5 - 4√10

Thus, your answer is ten square root of five minus four square root of 10

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3 years ago

Read 2 more answers

According to data from a General Motors study, the average speed of your trip A (in miles per hour) is related to the number of

polet [3.4K]

Answer:

$(a)\hspace{3}-79.61mi/h^2$

$(b)\hspace{3}-4.36mi/h^2$

Step-by-step explanation:

Let's rewrite the equation as:

$A=26.5*(x^{-0.45 })$

Now, let's find its derivate:

$\frac{dA}{dx} =(-0.45)*(26.5)*x^{-0.45-1} =-11.925*x^{-1.45} =-\frac{11.925}{x^{1.45} }$

Let's evaluate x=0.27 and x=2:

$\frac{dA}{dx} \left \{ {x=0.27}} \right. =-\frac{11.925}{0.27^{1.45} } =-79.61mi/h^2$

$\frac{dA}{dx} \left \{ {x=2}} \right. =-\frac{11.925}{2^{1.45} } =-4.36mi/h^2$

Keep in mind that when we derivate A(average speed) we find the average acceleration, thats why the result is given in mi/h^2, also it explains the minus sign, because for every stop you make on the trip you are decelerating.

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3 years ago