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rosijanka [135]
3 years ago
5

Find the area of the triangle. Round your answer to the nearest tenth. Triangle ABC Line AB =15 yd, Line AC = 15 yd, ∠A= 48° a.

112.5 yd2 b. 167.2 yd2 c. 124.9 yd2 d. 83.6 yd2
Mathematics
1 answer:
neonofarm [45]3 years ago
3 0

Answer:

A = 83.6 yd² ⇒ answer (d)

Step-by-step explanation:

∵ AB = 15 , AC = 15 and m∠A = 48°

∵ Area of the Δ by using sin Rule

∴ A = 1/2 × S1 × S2 × sin including angle between two sides

∴ A = 1/2 × 15 × 15 × sin48 = 83.6 yd² ⇒ answer (d)

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Frank and his family are going to the grand opening of a circus. There is a special price on tickets this weekend. Tickets cost
Art [367]

Answer:

30 dollars

Step-by-step explanation:

20% times 25

0.20 times 25= 5

25 + 5= 30

3 0
3 years ago
For a track meet, Tara ran the 1,600 m event at constant speed in 5 minutes and 20 seconds. What was her speed?
Arlecino [84]

Distance ran by Tara = 1600 m

Time taken by Tara to ran 1600 m = 5 min 20 seconds

We have to calculate the speed.

Firstly, we will convert the unit of time in one unit.

Time = 5 min 20 seconds

= 5 min +\frac{20}{60} min (Because 1 min = 60 sec)

= 5+\frac{1}{3}

=\frac{15+1}{3}

=\frac{16}{3} min

Now we will use Distance speed formula which states,

Distance = speed \times time

1600 m = speed \times \frac{16}{3}

speed = \frac{1600 \times 3}{16}

Speed = 300 m/min

So, the speed of Tara was 300 meter/min.

7 0
4 years ago
During the first year she owned her car, Leslie spent $756 on repairs and maintenance. She spent $1,580 the second year she owne
Drupady [299]

Answer:

109% of increase

Step-by-step explanation:

In order to know the increase in the percentage, we can do this in various methods, however let's follow the method using only rule of 3; you can also do it by the variation index, however, rule of 3 is easier.

First, we need to know the difference between 756$ and 1580$:

1580 - 756 = 824$

Now let's set the rule of three, assuming that 756 is 100% innitial:

756$-------->100%

824$--------> X

Solving for X:

X = 824 * 100 / 756 = 109.9947%

And if you round this number: 109%

8 0
4 years ago
If 2 over 3 ton of gravel covers 3 over 4 of a driveway, how many tons of gravel are required to cover the entire driveway?
coldgirl [10]
The answer would be instead of 2/3 i twill need to be 3/3 so that equals 1.
7 0
3 years ago
Se tienen 224 plumas de color negro y 420 de color rojo. Se quiere ponerlas en cajas iguales, de tal manera que cada caja tenga
Goshia [24]

Answer:

La cantidad de plumas que se deben poner en cada caja para que se utilice el menor número posible de cajas es 28.

Requieres 8 cajas con plumas de color negro y 15 cajas con plumas de color rojo, necesitando 23 cajas en total.

Step-by-step explanation:

El divisor común  es un número que es divisor a la vez de dos o más números, es decir, es un divisor común a esos números.

Por lo que se denomina máximo común divisor o M.C.D al mayor número que divide exactamente a dos o más números a la vez. En otras palabras, el Máximo Común Divisor es el mayor de los divisores comunes de varios números.

Para calcular el M.C.D, se descompone cada uno de ellos en factores primos. El M.C.D. es el resultado de multiplicar los factores que se repitan en todas las descomposiciones, afectados por el menor exponente.

En este caso, los números 224 y 420 se descomponen en:

224= 2⁵*7

420= 2²*3*5*7

Entonces, el M.C.D entre 224 y 420 es calculado como 2²*7, que da como resultado 28. Esto indica que <u><em>la cantidad de plumas que se deben poner en cada caja para que se utilice el menor número posible de cajas es 28. </em></u>

Para el calculo de cantidad de cajas que se necesitan, primero es necesario saber cuántas cajas de cada color de plumas se necesitan. Para eso, debes dividir la cantidad de plumas que tienes por la cantidad de cajas por las que debes repartirlo:

224 plumas negras÷ 28= 8

420 plumas rojas÷ 28= 15

Por lo que <u><em>requieres 8 cajas con plumas de color negro y 15 cajas con plumas de color rojo, necesitando 23 (8+15) cajas en total.</em></u>

7 0
3 years ago
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