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Tomtit [17]
3 years ago
11

Solve each system by substitution. 1) y= 2x - 16 y= -2

Mathematics
1 answer:
DochEvi [55]3 years ago
7 0

Answer:

x = 7

Step-by-step explanation:

Solve equation [2] for the variable  y

[2]    y = - 2

Plug this in for variable  y  in equation [1]

[1]    (-2) - 2x = -16

[1]     - 2x = -14

Solve equation [1] for the variable  x

[1]    2x = 14

[1]    x = 7

Solution:
y = -2
x = 7

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Kayson is looking at two buildings, building A and building B, at an angle of elevation of 73°. Building A is 30 feet away, and
grigory [225]

Answer:

The correct option is:

Building B; it is around 16.35 feet taller than building A.

Step-by-step explanation:

Consult the diagram below where the first figure represent building A and second figure represents building B

For building A:

tan θ = Perpendicular / Base

tan 73° = Height of building A / 30

Height of building A = tan73 · 30

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For building B:

tan θ = Perpendicular / Base

tan 73° = Height of building B / 35

Height of building A = tan73 · 35

Height of building A = 114.48 ft

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Difference in height = height of building B - height of building A

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4 years ago
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devlian [24]

Answer:

See photo

Step-by-step explanation:

\frac{1}{3} = \frac{rise}{run}

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3 years ago
If you flip a coin or roll a 6-sided die, what is the probabilty that you will flip a tails and roll a 2?
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Answer:

\frac{1}{12}

Step-by-step explanation:

P(tail) = \frac{1}{2}

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3 years ago
The graph of y = f(x) is shown below. Find the value of ƒ (-2).
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