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Ede4ka [16]
3 years ago
7

5 8 y Find the exact value of y. y =

Mathematics
1 answer:
inn [45]3 years ago
8 0

Answer:

y=2\sqrt{10}

Step-by-step explanation:

By applying geometric mean theorem in the given right angle,

\frac{AD}{DB}=\frac{DB}{CD}

By substituting values in the given ratio,

\frac{5}{y}= \frac{y}{8}

y^2=8\times 5

y^2=40

y=2\sqrt{10}

Exact value of y is 2\sqrt{10}.

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A half game in football is 45 min. At one point, a half was extended so that it was 48 minutes 30 seconds long. By what percenta
kozerog [31]

Answer:

8%

Step-by-step explanation:

Multiply the number 45 by at least 1 point 0 something and therefore.  We can assume that a 5% increase is around 47 minutes and 15 seconds and a 10% increase is around 49 minutes and 30 seconds ranging for you to use from 6% to 9%.  The exact answer for the increase is around 7.78%, for me, I would plug in the equation like 45*1.7 and 45*1.8 on the calculator for more accuracy since you would need to round to the full percentage if it's between 7.5% to the exact number, it would be fully rounded to 8% since you would need at least a 5 to round up.

3 0
3 years ago
Raja drove from A to B at an average speed of 50mph
natali 33 [55]

Answer:

44.7

Step-by-step explanation:

Speed = distance / time

speed from distance a to b = 50 = 10 / time

time = 10/50 = 12 minutes

Speed from a to c = 62 = distance / 30 minutes

distance = 62 x 0.5 = 31 m

diatance from b to c = 31 - 10 = 21

time = 30 - 12 = 28 minutes

speed = 21 / 28 minutes

31 / 0.47

3 0
2 years ago
Tell whether each set of events is independent or dependent (problems 1 - 4).
tatyana61 [14]

Answer:

1 dependent

234 independent

Step-by-step explanation:

7 0
3 years ago
"mon ame ne suivit pas la sienne"<br><br><br>quelle figure de style represente cette phrase?​
just olya [345]

Answer:

It is a metaphor.

Step-by-step explanation:

Hope it helps

3 0
2 years ago
Pranav is cooking cupcakes. The recipe calls
Flauer [41]

Answer: 1 cup

Step-by-step explanation:

he has already put in 4, and he needs 5

5-4 = 1

5 0
3 years ago
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