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murzikaleks [220]
3 years ago
13

What is the length of line segment CD?

Mathematics
1 answer:
zzz [600]3 years ago
7 0
(-2,2), (4,-4). There are two common ways to attack this problem. The distance formula and Pythagorean theorem. I would use Pythagorean. make line segment cd the hypotenuse of a right triangle. legs would be 6 units and 6 units. a^2+b^2=c^2. 6^2+6^2=c^2.  c^2=36+36. c^2=72. c=sq root of 72. c=8.5
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I need help with number 2 ASAP!!!!! The pictures is number 2.
mars1129 [50]

Answer:

a=22.5\ units

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is equal

so

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If polygon RSUPE is similar to polygon KQUIC

then

\frac{RS}{KQ}=\frac{RE}{KC}

substitutes the values and solve for a

\frac{a+2}{14}=\frac{17.5}{10}\\ \\10a+20=14*17.5\\ \\10a=245-20\\ \\a=225/10\\ \\a=22.5\ units

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Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t
beks73 [17]

the answer would be C. i do believe hope this helps

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3 years ago
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If you are given the measurements of three angles of a triangle,
earnstyle [38]

Answer:

  B. They will all be similar

Step-by-step explanation:

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John rode 4 kilometers on his bike his sister sally rode 3400 meters on her bike who rode the farthest and how much farther did
emmasim [6.3K]
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A segment with endpoints A (3, 4) and C (5, 11) is partitioned by a point B such that AB and BC form a 2:3 ratio. Find B.
Dima020 [189]

Answer:

(3.8, 6.8)

Step-by-step explanation:

Point B:

Has coordinates (x,y)

AB and BC form a 2:3 ratio.

This means that:

B - A = \frac{2}{2+3}(C - A)

B - A = \frac{2}{5}(C - A)

We apply this both for the x-coordinate and for the y-coordinate.

x-coordinate:

x-coordinate of A: 3

x-coordinate of C: 5

x-coordinate of B: x

B - A = \frac{2}{5}(C - A)

x - 3 = \frac{2}{5}(5 - 3)

x - 3 = \frac{4}{5}

x = 0.8 + 3 = 3.8

y-coordinate:

y-coordinate of A: 4

y-coordinate of C: 11

y-coordinate of B: y

B - A = \frac{2}{5}(C - A)

y - 4 = \frac{2}{5}(11 - 4)

y - 4 = \frac{14}{5}

y = 2.8 + 4 = 6.8

Thus the correct answer is:

(3.8, 6.8)

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