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3 years ago

15

Suppose a line parallel to side BC of triangle ABC intersects AB and AC at point D and E, respectively. Find the length of AE if

DB = 32, AB= 48 and AC = 39

1 answer:

MrRissso [65]3 years ago

4 0

Answer: AE=13

Step-by-step explanation: took test

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aalyn [17]

Answer:

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3 years ago

I need help fast pls

mash [69]

Answer:

1. no

2. no

3. no

4.yes

Step-by-step explanation:

1. if you solve this you will get -11/120 and you want 3/7

2. no because you will get 5/16 and you want 5/8

3. no because you will get 3/8 and you want 5/8

4. yes because you will get 5/8

6 0

2 years ago

Which letter is the correct answer and why

Julli [10]

Answer:

<h2><em><u>Option</u></em><em><u> </u></em><em><u>C</u></em></h2>

Step-by-step explanation:

<em><u>Here</u></em><em><u>,</u></em>

<em>[</em><em>Taking</em><em> </em><em>'</em><em>A'</em><em> </em><em>=</em><em> </em><em>'</em><em>a'</em><em>]</em>

$a \: = \: 4\pi {r}^{2}$

<em><u>Then</u></em><em><u> </u></em><em><u>for</u></em><em><u> </u></em><em><u>'</u></em><em><u>r</u></em><em><u>'</u></em><em><u>,</u></em>

$= > 4\pi {r}^{2} = a$

$= > {r}^{2} = \frac{a}{4\pi}$

$= > r = \sqrt{\frac{a}{4\pi} }$

$= > r = \frac{1}{2}\sqrt{ \frac{a}{\pi} }$

<em><u>Hence</u></em><em><u>,</u></em>

<em><u>Option</u></em><em><u> </u></em><em><u>C</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>correct</u></em><em><u> </u></em><em><u>.</u></em>

3 0

2 years ago

Write √7 using rational exponents

Vikki [24]

Answer:

$7^{\frac{1}{2} }$

Step-by-step explanation:

rewritten using rational exponents

4 0

3 years ago

A circular running track is 1/4 mile long. Jamie runs on this track, completing each lap in 1/20 of an hour. What is Jamie’s run

Grace [21]

Answer: The running speed of Elena is 5 miles/hour and this can be determined by using the formula of speed.

Step-by-step explanation:

A circular running track 1/4 is a mile long.

Elena runs on this track, completing each lap in 1/20 of an hour.

Speed formula is used to determine the speed of Elena. The formula of speed is given by:

----- (1)

where S is the speed, D is the distance and T is the time taken by Elena to run a circle.

Now, put the value of distance D and time T in the equation (1).

Speed = 5 miles/hour

Therefore, the running speed of Elena is 5 miles/hour.

For more information, refer to the link given below:

brainly.com/question/22610586

3 0

2 years ago