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kvv77 [185]
4 years ago
15

The function is : E(x) =10 -35

Mathematics
1 answer:
Anton [14]4 years ago
8 0
A. For each addition door she knocks on, her earnings increase by 10 dollars.
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The length of a rectangle is twice its width. The length is 412 feet. What is the area of the rectangle?
attashe74 [19]

Answer:

Length is twice the Width

 

Perimeter = 126 ft.

 

let width = W

 

length = 2W

 

P = 2 length + 2 width

 

126 ft. = 2(2W) + 2W

 

126 ft. = 6W

 

 21 ft. = W

 

width is 21ft., length is 42 ft.

Step-by-step explanation:

HOPE IT HELPS.

5 0
3 years ago
Read 2 more answers
At a point only ground 35' from the base of the tree the distance to the top of the tree is 1' more than 3 times the height of t
shepuryov [24]

The answer is 108' because if you add 35+1 all you have to do is multiply that times 3 which is 36'×3=108'

7 0
4 years ago
Help!!! Question is attached. It is on Solving Equations.
kvv77 [185]
Hi there!

Okay, so we are solving for s. This is pretty simple. Just follow the steps below!

-10s = -8 - 9s

Step 1) Simplify both sides of the equation.

-10s = -8 + - 9s
-10s = -9s - 8

Step 2) Add 9s to both sides.

-10s + 9s = -9s - 8 + 9s
-s = -8

Step 3) Divide both sides by -1.

-s/-1 = -8/-1
s = 8

Our final answer is s = 8.

Hope this helps!
3 0
3 years ago
Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x = t, y
DochEvi [55]

Answer:

Step-by-step explanation:

At the point (0, 1,0) t = 0

Find the tangent vector:

\frac{dx}{dt}= 1

\frac{dy}{dt}= -4e^{-4t}

\frac{dz}{dt}=5-5t^4

The tangent vector for all points \vec v(t) is

\vec v(t) = \hat {i}-4e^{-4t}\hat{j}+(5-5t^4)\hat{k}

\rightarrow \vec v (0)= \hat{i}-4\hat{j}

The vector equation of the tangent line is

(x,y,z) = (0,1,0)+s(\hat{i}-4\hat{j})

The parametric equation for this line are

x= s

y=1-4s

z=0

7 0
4 years ago
a sidewalk is 5ft wide, 6in deep, and 220 ft long. how many cubic yards of concrete are needed to fill it?
tangare [24]

Answer:

1100/54 yds

Step-by-step explanation:

First convert inches and feet to yards

[3 ft = 1 yd, 12in = 1yd]

5ft = 1 2/3 yds

6in = 1/6 yds

220ft = 73 1/3 yds

Now use the volume formula,

b*w*h = A

[1 2/3] * [1/6] * [73 1/3]

= [5/3] * [1/6] * [220/3]

= [5/18] * [220/3]

= 1100/54 yds

8 0
3 years ago
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