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andrew-mc [135]
3 years ago
10

How long is each wire?

Mathematics
1 answer:
Yanka [14]3 years ago
6 0

Answer:

Its 50 feet. You only have to read the bottom

Step-by-step explanation:

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Solve for x by completing the square: x2 - 12x + 11 = 0
sineoko [7]

Answer:

B

Step-by-step explanation:

x² - 12x + 11 = 0 ( subtract 11 from both sides )

x² - 12x = - 11

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 6)x + 36 = - 11 + 36

(x - 6)² = 25 ( take square root of both sides )

x - 6 = ± \sqrt{25} = ± 5 ( add 6 to both sides )

x = 6 ± 5

Then

x = 6 - 5 = 1 ⇒ (1, 0 )

x = 6 + 5 = 11 ⇒ (11, 0 )

6 0
2 years ago
Erin has scanned a 4 × 5-inch postcard, and she wants to reduce it to make a graphic for her Web site. She will use a scale fact
kifflom [539]
Since im lazy im not going to do the work. an inch = 2.57 centimeters. so you have 1 inch - 2 centimeters yes? multiply it by two, and then multiply the inches. The answer would be <span>2 cm × 3 cm. Hope I helped.</span>
3 0
3 years ago
There must be fewer than 12 visitors in each tour group.
Black_prince [1.1K]
If there must be LESS than 12 people in the tour group, then it would automatically take out the n>12 because n>12 represents n being MORE than 12, so your answer would be n<12. I hope you aren't totally confused, and good luck on the test!!! I am working on my math skills and I just did this quiz, so the answer is in fact, <. Make me brainliest please, would truly help.
4 0
2 years ago
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Find the Perimeter of the figure below, composed of a rectangle and two semicircles. Round to the nearest tenths place.
MatroZZZ [7]

Step-by-step explanation:

the perimeter = 2 ×15 + (π×d)

= 30 + (3.14 ×10)

= 30 + 31.4

= 61.4

4 0
2 years ago
Chris used 45 meters of fencing to enclose a circular garden. What is the approximate radius of the garden,rounded to the neares
kobusy [5.1K]
The length of the fencing corresponds to the length of the perimeter of the garden:
p=45 m
We also know that the perimeter of a circle is given by:
p=2 \pi r
where r is the radius of the circle.

Putting together the two equations, we have
2 \pi r = 45
from which we can find r, the radius of the garden:
r= \frac{45}{2 \pi}= \frac{45}{2 \cdot 3.14}=7.17 m
3 0
2 years ago
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