4 years ago

Write the equation of the horizontal line that passes through the point -3,7

Mathematics

1 answer:

zimovet [89]4 years ago

5 0

Answer:

y=7

Step-by-step explanation:

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lina2011 [118]

Answer:

true

Step-by-step explanation:

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4 years ago

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A rain gutter is made from sheets of aluminum that are 12 inches wide by turning up the edges to form right angles. Determine th

Len [333]

Answer:

Depth = 3 inches

Maximum cross-sectional area = 18 inches²

Step-by-step explanation:

Let 'D' be the depth of the gutter and 'W' be the width of the gutter, the cross-sectional area as function of depth, A(D), is:

$2D+W = 12\\W=12-2D\\A =D*W\\A(D)=-2D^2+12D$

The depth for which the derivate of the area function is zero is the depth that yields the maximum cross-sectional area:

$A'(D)=0=-4D+12\\D=3\ inches$

The cross-sectional area for D = 3 is:

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3 years ago

Pleas help me alot of points

alekssr [168]

Answer:

Step-by-step explanation:

its a square all sides of the square are the same so 48 divided by 4 is 12

5 points is not a lot of points

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3 years ago

Slove these one step equation for the variable listed: Show your work

3241004551 [841]

1. 7=k

2. 21+w=36

-21 -21

----------------------

w=15

3. -5 =G+3

-3 -3

---------------------

-8=G

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b=6

5. 35/5=5R/5

7= R

6. Q/2 (2) = 6 (2)

Q=12

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3 years ago