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PolarNik [594]
3 years ago
7

What is the area of the trapezoid with height 11 units?

Mathematics
2 answers:
Sholpan [36]3 years ago
5 0
If it is 11 units, divide how many sided by 11

DIA [1.3K]3 years ago
3 0

Answer:

275

Step-by-step explanation:

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Phantasy [73]

Search it up on the internet they should give you the answer

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4 years ago
2x0.2 does someone know this
zlopas [31]

Answer:

0.4

Step-by-step explanation:

Multiply without the decimal points, then put the decimal point in the answer

2 has 0  decimal places

0.2 has decimal place

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7 0
3 years ago
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The rectangular room is 10.25 inches by 8 inches. if 1 inch represents 2 feet of the actual room, what is the scale factor and a
GenaCL600 [577]
The rectangular room is 10.25 inches by 8 inches. If 1 inch represents 2 feet of the actual room. What is the scale factor and actual area of the room?

10.25 x 2 = 20.5 ft

and

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4 0
4 years ago
Solve 5y'' + 3y' – 2y = 0, y(0) = 0, y'(O) = 2.8 y(t) =( Preview
Karolina [17]

Answer:

y=\frac{4}{5}e^{t}-\frac{4}{5}e^{-\frac{2}{5}t}

Step-by-step explanation:

The given equation 5y'' + 3y' - 2y =0 can be written as

(5D^{2}+3D-2)y(t)=0

Solving for complementary function we have Roots of (5D^{2}+3D-2) as follows

(5D^{2}+5D-2D-2)

5D(D+1)-2(D+1)=0\\\\(5D-2)(D+1)=0\\\\\therefore D=-1\\D=+2/5

Thus the complementary function becomes

y=y=c_{1}e^{m_{1}t}+c_{2}e^{m_{2}t}

where

m_{1},m_{2} are calculated roots

thus solution becomes

y=c_{1}e^{-t}+c_{2}e^{\frac{2}{5}t}

Now to solve for the coefficients we use the given boundary conditions

y(0)=0\\\\\therefore c_{1}+c_{2}=0\\\\y'(0)=-c_{1}+\frac{2}{5}c_{2}=2.8\\\\\therefore c_{2}+\frac{2}{5}c_{2}=2.8\\\\c_{2}=2\\\\\therefore c_{1}=-2}

hence the solution becomes

y=-2e^-{t}+2e^{\frac{2}{5}t}

8 0
3 years ago
Find the equation of the line that passes through (-18, -10) and is parallel to the line that passes through (-2, 2) and (-8, 1)
zhuklara [117]

Answer:

y = 1/6x + 7/3

Step-by-step explanation:

(-2 ,2) and (-8, 1)

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b = 2 - (1/6)(-2) = 2 - 2/6 = 2 - 1/3 = 7/3

5 0
3 years ago
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