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sergiy2304 [10]
3 years ago
5

Show your work in order to receive full credit. Find the solution to the system. x=10 y=2x-4

Mathematics
2 answers:
Ghella [55]3 years ago
8 0

Answer:

x=10  y=16

Step-by-step explanation:

y=2(10)-4

y=16

Phantasy [73]3 years ago
8 0

Answer:

y = 16 this is your correct answer

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In a trapezoid the lengths of bases are 11 and 18. The lengths of legs are 3 and 7. The extensions of the legs meet at some poin
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Answer: The length of segments between this point and the vertices of greater base are 7\frac{5}{7} and 18.

Step-by-step explanation:

Let ABCD is the trapezoid, ( shown in below diagram)

In which AB is the greater base and AB = 18 DC= 11, AD= 3 and BC = 7

Let P is the point where The extended legs meet,

So, according to the question, we have to find out : AP and BP

In Δ APB and Δ DPC,

∠ DPC ≅ ∠APB ( reflexive)

∠ PDC ≅ ∠ PAB    ( By alternative interior angle theorem)

And, ∠ PCD ≅ ∠ PBA  ( By alternative interior angle theorem)

Therefore, By AAA similarity postulate,

\triangle APB\sim \triangle D PC

Let, DP =x

⇒ \frac{3+x}{18} = \frac{x}{11}

⇒  33 +11x = 18x

⇒ x = 33/7= 4\frac{5}{7}

Thus, PD= 4\frac{5}{7}

But, AP= PD + DA

AP= 4\frac{5}{7}+3 =7\frac{5}{7}

Now, let PC =y,

⇒ \frac{7+y}{18} = \frac{y}{11}

⇒ 77 + 11y = 18y

⇒ y = 77/7 = 11

Thus, PC= 11

But, PB= PC + CB

PB= 11+7 = 18



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3 years ago
In American football, the playing field is 53.33 yards (yd) wide by 120 yards (yd) long. For a special game, the field staff wan
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Step-by-step explanation:

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Solve the following system of equations:
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xy = 4 \\ 2y = x - 6 \\  \\ xy = 4 \\ x = 6 + 2y

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