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FromTheMoon [43]

3 years ago

8

Find the slope of the parametric curve xequalsnegative 4 t cubed plus 8, yequals5 t squared, for negative infinity less than t

less than infinity, at the point corresponding to tequals6.

1 answer:

Licemer1 [7]3 years ago

6 0

Take a picture so I can do the problem

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Use Gauss's approach to find the following sums (do not use formulas). 1+3+5+7+...999

muminat

$S=1+3+5+\cdots+995+997+999$
$S=999+997+995+\cdots+5+3+1$
$\implies 2S=(1+999)+(3+997)+(5+995)+\cdots+(995+5)+(997+3)+(999+1)$

$2S=\underbrace{1000+1000+\cdots+1000+1000}_{500\text{ times}}$

(We are adding 500 instances of 1000 because that's how many odd numbers there are between 1 and 1000, inclusive.)

$2S=500\times1000=500000$
$\implies S=250000$

4 0

3 years ago

I know one answer is C

SSSSS [86.1K]

Answer:

A&C

Step-by-step explanation:

As, you said, the first answer is C. Now, we are given seven, and when we are adding a negative number, we move in the direction of left, and since we are moving by 7, we would be moving 7 to the left. Therefore, the other answer is A.

7 0

2 years ago

PLEASE HELP ME :)))Micheal is making scale drawings of rectangular rooms using a scale of 1in to 1 1/2 feet

Aleksandr-060686 [28]

Answer:

a) 256 ft^2 No

b) 150 ft^2 Yes

c) 300 ft^2 NO

d) 192 ft^2 Yes

w=8.5 in

l=11 in

A=w•l

A=8.5•11=93.5 in^2

Scale:

1in:1.5 ft

1in^2:2.25 ft^2

1in ^2. 2.25ft^2

93.5 in^2. Xft^2

X=2.25•93.5

X=210.375

Step-by-step explanation:

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2 years ago

What is the quadrant of terminal angle for sin330°?

Dafna11 [192]

Answer:

First, we know that sin330 will be in the 4th quadrant, as it lies between 270 and 360 degrees

Step-by-step explanation:

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2 years ago

How to solve 40-4x=2|3x-10|

antiseptic1488 [7]

40-4x=2/3x-10
50=14/3x
150/14=x
75/7=x

8 0

3 years ago