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3 years ago

14

Help me I'm kinda stuck xD

1 answer:

AveGali [126]3 years ago

7 0

The answer would be C or the third option.
Hope This Helps!

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The length of a rectangle is increasing at a rate of 4 cm/s and its width is increasing at a rate of 8 cm/s. When the length is

iVinArrow [24]

Answer:

Step-by-step explanation:

$A = lw \nl\frac{\dA}{\dt}$ = $\frac{\dA}{\text{d}l}\frac{\text{d}l}{\dt} + \frac{\dA}{\text{d}w}\frac{\text{d}w}{\dt}$ = $w\frac{\text{d}l}{\dt} + l\frac{\text{d}w}{\dt}$ $\nll = 20 \text{ cm}$ \;\; $\frac{\text{d}l}{\dt} = 8 \text{ cm/s}$ \;\;w = 10 \text{ cm}, \;\; $]\frac{\text{d}w}{\dt} = 3 \text{ cm/s}$ $\nl\frac{\dA}{\dt} =( 10 \text{ cm} )( 8 \text{ cm/s} ) + ( 20 \text{ cm} )( 3 \text{ cm/s} ) =140 \text{ cm}^2\!\text{/s}
$

7 0

3 years ago

Need help with the problem in the photo.

mr_godi [17]

Answer:

B. 3x -2y = 10

Step-by-step explanation:

The given line rises three units for each two units of run to the right. Hence its slope is 3/2. A parallel line will also have a slope of 3/2.

Of the equations we can see, selection B has a slope of 3/2. It can be rewritten in slope-intercept form as ...

3x -10 = 2y . . . . . add 2y-10 to isolate the y-term; next divide by 2.

y = 3/2x -5 . . . . . the coefficient of x is the slope

4 0

4 years ago

Read 2 more answers

Solve for r. l = prt

forsale [732]

Answer:

$r=\frac{l}{pt}$

Step-by-step explanation:

l = prt

r = l/pt

6 0

3 years ago

Irrational, rational, integer, whole or natural ? <br><br><br> for numbers 1-4

algol [13]

Answer:

1. irrational

2. rational, integer

3. ratioanal

4. whole, rational

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3 years ago

HELPPP I WILL MARL BRAINLEST

Ber [7]

Answer: 2: a 3: b 4:b

Step-by-step explanation:

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3 years ago