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garik1379 [7]
3 years ago
14

Yet again I still get confused

Mathematics
1 answer:
ryzh [129]3 years ago
6 0
The left side is a half circle.
 The area of a circle is PI x r^2

The diameter of the circle would be the height of the rectangle, given as 10 feet.
 The radius is 1/2 the diameter, so 5 feet.

The area of half the circle is  (3.14 x 5^2) / 2 = 39.25 square feet.

The area of the rectangle is  20 x 10 = 200 square feet.

Total area = 200 + 39.25 = 239.25 square feet.

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Determine whether the following lines represented by the vector equations below intersect, are parallel, are skew, or are identi
KiRa [710]

Answer:

r(t) and s(t) are parallel.

Step-by-step explanation:

Given that :

the  lines represented by the vector equations are:

r(t)=⟨1−t,3+2t,−3t⟩

s(t)=⟨2t,−3−4t,3+6t⟩

The objective is to determine if the following lines represented by the vector equations below intersect, are parallel, are skew, or are identical.

NOTE:

Two lines will be parallel if \dfrac{x_1}{x_2}= \dfrac{y_1}{y_2}= \dfrac{z_1}{z_2}

here;

d_1 = (-1, \ 2, \ -3)

Thus;

r(t) = \dfrac{x-1}{-1} = \dfrac{y-3}{2}=\dfrac{z-0}{-3} = t

d_2 =(2, \ -4, \  +6)

s(t) = \dfrac{x-0}{2} = \dfrac{y+5}{-4}=\dfrac{z-3}{6} = t

∴

\dfrac{d_1}{d_2}= \dfrac{-1}{2} = \dfrac{2}{-4}= \dfrac{-3}{-6}

Hence, we can conclude that r(t) and s(t) are parallel.

6 0
3 years ago
How many days are in a month
ser-zykov [4K]
It could be 30 to 31 but February has 28 expected from a leap year with 29 days 
7 0
3 years ago
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A video game that costs $30 is on sale for 25% off. What is the sale price?
blondinia [14]
If it is on sane for 25% off, that's the same as being on sale for 75% of the original price.

Multiply the original cost by 75% in decimal form.

30*.75=22.5
Final answer: $22.50
8 0
3 years ago
How many times does 25 go into 200
dimaraw [331]
25 goes into 200 exactly 8 times.
3 0
3 years ago
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PLEASE ANSWER ASAP! NO SCAM LINKS OR REPORTED.
pochemuha

Answer:

Its A

Step-by-step explanation:

Standard equation: y=mx+b

x+y=0

-x    -x

y=-x+0

8 0
3 years ago
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