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lana [24]
3 years ago
12

Please help me with this thankyou ​

Mathematics
1 answer:
Rus_ich [418]3 years ago
3 0

Answer:

Area of the Rectangle is (length×breadth)

5 {x}^{5}  {y}^{3}  \times  {(7 {x}^{3}y) }^{4}  = 5 {x}^{5}  {y}^{3}  \times 2401 {x}^{12}  {y}^{4}  \\  = 12005 {x}^{17}  {y}^{7}

Third option is the right answer.

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Derive the equation of the parabola with a focus at (-5,5) and a directix of y = -1
Paladinen [302]

Answer:

D

Step-by-step explanation:

From any point (x, y) on the parabola the focus and directrix are equidistant

Using the distance formula

\sqrt{(x+5)^2+(y-5)^2} = | y + 1 |

Squaring both sides

(x + 5)² + (y - 5)² = (y + 1)^2 , that is

(y + 1)² = (x + 5)² + (y - 5)² ← subtract (y - 5)² from both sides

(y + 1)² - (y - 5)² = (x + 5)² ← expand left side and simplify

y² + 2y + 1 - y² + 10y - 25 = (x + 5)²

12y - 24 = (x + 5)² ← factor left side

12(y - 2) = (x + 5)² ← divide both sides by 12

y - 2 = \frac{1}{12} (x + 5)² ← add 2 to both sides

y = \frac{1}{12} (x + 5)² + 2

or

f(x) = \frac{1}{12} (x + 5)² + 2 → D

7 0
3 years ago
What is the volume of the cylinder?
jarptica [38.1K]

Answer:

v= 141.3

v= pi × r^2 × h

v= 3.14 × 3^2 × 5

v= 3.14 × 9 × 5

v=141.3

6 0
3 years ago
What is the length of the hypotenuse of the triangle?
sergey [27]
If you use the pothaorian theorym (A squared + B squared= C squared) youll be able to figure out the right answer is 65.
8 0
3 years ago
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Question : 3/4+ 0.6 = ? 1.15 1.35 1.45 or 1.05
Artyom0805 [142]

we have

\frac{3}{4} +0.6

we know that

\frac{3}{4}=0.75

and

0.75=0.40+0.35

substitute in the expression

0.40+0.35 +0.6

(0.40+0.60)+0.35

(1.00)+0.35=1.35

therefore

<u>the answer is</u>

1.35

3 0
3 years ago
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What is the area of this...
Verizon [17]
The area of the following shape is 50
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3 years ago
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