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3 years ago

7

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1 answer:

Stells [14]3 years ago

8 0

The answer is:

C. Yes, you can use HL to prove the triangles are congruent. Since you are given that E is the midpoint of AD and BC, you know that the hypotenuses BE and EC, as well as the legs AE and ED are congruent, you can use HL to prove the triangles are congruent.

Remember that a midpoint divides a segment into to two congruent segments.

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The cost for three copies of a book is $38.85. Estimate the cost for one book. Do you think your estimate is higher or lower? Ex

erica [24]

If you round 38.85 to $39 then divide by 3 you'd get $13 each. This would be a little high since we rounded the 38.85 UP

6 0

4 years ago

Por un tubo de 2.5 cm de diámetro fluye agua con una repidez de 20 cm/s ¿Cuál es el valor del flujo y el gasto del agua?

kompoz [17]

Answer:

El flujo y gasto de agua es aproximadamente 98.175 centímetros cúbicos por segundo.

Step-by-step explanation:

El gasto del agua ( $Q$ ), medido en centímetros cúbicos por segundo, es el flujo que pasa a través del tubo. La ecuación para determinar el gasto es:

$Q = \frac{\pi}{4}\cdot D^{2}\cdot v$ (1)

Donde:

$D$ - Diámetro del tubo, medido en centímetros.

$v$ - Velocidad del flujo, medida en centímetros por segundo.

Si sabemos que $D = 2.5\,cm$ y $v = 20\,\frac{cm}{s}$ , entonces el flujo y gasto del agua es:

$Q = \frac{\pi}{4}\cdot (2.5\,cm)^{2}\cdot \left(20\,\frac{cm}{s} \right)$

$Q \approx 98.175\,\frac{cm^{3}}{s}$

El flujo y gasto de agua es aproximadamente 98.175 centímetros cúbicos por segundo.

3 0

3 years ago

Can 1,3,7 form a triangle<br> Hurry I need help ASAP

blondinia [14]

Answer:

What

Step-by-step explanation:

ellaborate, if its just the numbers then no.

7 0

3 years ago

TiliK225 [7]

Answer:

53.8

Step-by-step explanation:

45+8= 8

then add the decimal 0.0+0.8= 0.8

53.8

4 0

2 years ago

Read 2 more answers

Jim has 8 unread emails in his inbox before going on vacation. While on vacation, Jim does not read email. If he receives an ave

Alecsey [184]

Answer:

$E_n = 8 + 22n$

Step-by-step explanation:

Since emails arrive at a constant rate of 22 per day, the equation for n-th term can be modeled by a linear relationship of general form:

$E_n = E_0 + k*t$

In this case, E₀ is the initial number of emails unread, 8, k is the rate at which emails arrive, 22 per day, and t is the number of days passed.

At t=n, the number of unread emails is:

$E_n = 8 + 22n$

5 0

4 years ago