3 years ago

Angles of a triangle

1 answer:

xeze [42]3 years ago

8 0

Answer:

120 being vertically opposite angle of 120 and are equal

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viva [34]

Answer:

4 [miles].

Step-by-step explanation:

1) the condition 'the entire trip took 5 hours' can be written as (where t_us - time spent upstream, t_ds - time spent downstream)

$t_{us}+t_{ds}=5;$

2) but the distance [D] upstream is equal the distance downstream, then the condition above can be written:

$\frac{D}{V_{us}} +\frac{D}{V_{ds}} =5; \ (V_{us}-rowing \ upstream,V_{ds}-rowing \ downstream);$

3) finally,

$D=\frac{5V_{us}*V_{ds}}{V_{us}+V_{ds}};$

D=5*4/5=4 [miles].

5 0

1 year ago

DanielleElmas [232]

A.) is the correct answer.

7 0

3 years ago

Delvig [45]

Answer:

so 14 can go into 28, 2 times and 19 can go into 38 2 times so the techaer can make 2 group with 14 girls and 19 boys in each group.

Step-by-step explanation:

5 0

2 years ago

iragen [17]

The independent variable is the type of material the balls are made from

6 0

3 years ago

Eddi Din [679]

Answer = a = 5 b = 3

6 0

3 years ago