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Radda [10]
3 years ago
14

Which equation represents a line which is perpendicular to the line

Mathematics
1 answer:
Mice21 [21]3 years ago
8 0

Answer: y=3/7x + 5

Step-by-step explanation:

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The radius of a circle in cm ,with area 77 over 2 cm square is​
Andrej [43]

Answer:

7/√2 cm

Step-by-step explanation:

Area of circle = 77 cm^2

=> π(r)^2 = 77

=> (22/7) x (r)^2 = 77

=> (r)^2 = (77 x 7) / 22

=> (r)^2 = 49/2

=> (r) = 7/√2 cm

3 0
3 years ago
Hhhhhheeeeeeellllpppppppppplllllllllllllllllllllzzzzzzzzzzzzzzz
Fudgin [204]

Answer:

the answer is A. I believe

4 0
3 years ago
Please answer and help me on this question!​
Nady [450]
<h3>Answer: 10.1 cm approximately</h3>

=====================================================

Explanation:

The double tickmarks show that segments DE and EB are the same length.

The diagram shows that DB = 16 cm long

We'll use these facts to find DE

DE+EB = DB

DE+DE = DB

2*DE = DB

DE = DB/2

DE = 16/2

DE = 8

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

Now let's focus on triangle DEC. We just found the horizontal leg is 8 units long. The vertical leg is EC which is unknown for now. We'll call it x. The hypotenuse is CD = 9

Use the pythagorean theorem to find x

a^2+b^2 = c^2

8^2+x^2 = 9^2

64+x^2 = 81

x^2 = 81 - 64

x^2 = 17

x = sqrt(17)

That makes EC to be exactly sqrt(17) units long.

If you follow those same steps for triangle ADE, then you'll find the missing length is AE = 6

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

So,

AC = AE+EC

AC = 6 + sqrt(17)

AC = 10.1231056256177

AC = 10.1 cm approximately

4 0
2 years ago
You have to pay $32.75 for an item after a 25% markup. What was the original price?
MariettaO [177]
 32.75 x .25
subtract the answer given with the original price, 32.75.
$24.56
3 0
3 years ago
Read 2 more answers
The large rectangle below represents one whole.
r-ruslan [8.4K]

44%

I hope this helped!!!

3 0
3 years ago
Read 2 more answers
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