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Yuliya22 [10]
3 years ago
8

How many meters are in 20 yards ?

Mathematics
1 answer:
Dafna1 [17]3 years ago
4 0

Answer:

18.288

Step-by-step explanation:

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Determine if the triangles, VWZ and VXY, are similar. If so, identify the similarity criterion.
jenyasd209 [6]

Answer:

The triangles Δ VWZ and Δ VXY are similar by AA criteria.

Step-by-step explanation:

See the attached diagram.

Here, VZ = 16 in and ZY = 8 in. Again, VW = 18 in and WX = 9 in.

Therefore, \frac{VZ}{ZY} = \frac{VW}{WX} = \frac{2}{1} = 2

So, line WZ divides the lines VY and VX in the same ratio 2 : 1.

So, Line WZ ║ Line XY

Hence, ∠ XYV = ∠ WZV {The corresponding angles as VY is a transverse}

Again, ∠ YXV = ∠ ZWV {The corresponding angles as VX is a transverse}

Therefore, the triangles Δ VWZ and Δ VXY are similar by Angle-Angle i.e. AA criteria. (Answer)

5 0
3 years ago
I really don't get what this means <br> -0.1 = -10c
baherus [9]

Answer:

C is variable. -10 times c is equal to -0.1

Step-by-step explanation:

3 0
3 years ago
The amount of bacteria in a petri dish increases at a rate proportional to the amount present. At time t=0, the amount of bacter
Lilit [14]

Answer:

Step-by-step explanation:

Formula to be used is N=N0e^(kt)

N0 - amount of bacteria at time 0, which is 10g

t=2, 30g

30 = 10*e^(k*2)

3 = e^(2k)

2k = ln3

k = 0.5ln3

At t=6:

N = 10*e^(0.5ln3*6)

N = 10e^(3ln3)

N = 10e^ln27

N = 10*27 =270

So the amount of bacteria at t=6 is 270

6 0
4 years ago
HELP PLS <br> the dimensions of an triangle are shown
solong [7]

Answer:

Answer is B ( 314.9 m2)

Step-by-step explanation:

A= H(B)/2

A= 25.6(24.6)/2

A= 314.88

6 0
3 years ago
Um navio esta situado exatamente a 10 milhas a leste de um ponto A. Um observador, situado exatamente a sul do navio, ve o ponto
12345 [234]
1) Considerando o ponto A, um vertice; o ponto O  onde o observador está e por ultimo, o ponto N que é onde o navio está.
Com estes 3 pontos formamos um triangulo. 
O angulo OAN vale 40º
O lado AN vale 10 milhas
O que queremos saber é a <span>distância entre o observador e o navio: lado NO
</span>
2) Para isso calculamos a tangente deste angulo: tg 40º= angulo oposto/ angulo adjacente.
angulo oposto é o NO e o lado adjacente ao angulo é o AN que vale 10

Se fores à calculadora vês que tg40º é <span>0,83.
0,83= angulo oposto/ 10
ang oposto= 8,3 milhas
</span>o observador e o navio estao a  8,3 milhas de distancia
8 0
3 years ago
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