3 years ago

Which of the following is a statistical question that might be used to gather data from a specific group?

Mathematics

1 answer:

kupik [55]3 years ago

3 0

It’s is b your welcome

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If A = 50 degrees, B = 62 degrees, and a = 4, find b.<br><br> Round to the nearest tenth.

Phoenix [80]

<h3>Answer: 4.6</h3>

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Work Shown:

Use the law of sines

b/sin(B) = a/sin(A)

b/sin(62) = 4/sin(50)

b = sin(62)*4/sin(50)

b = 4.61042489526572

b = 4.6

Make sure your calculator is in degree mode.

8 0

3 years ago

(x+3)^2=4

GalinKa [24]

Answer:

x = -1, -5

Step-by-step explanation:

${(x + 3)}^{2} = 4 \\ = > {x}^{2} + 2 \times x \times 3 + {3}^{2} = 4 \\ = > {x}^{2} + 6x + 9 = 4 \\ = > {x}^{2} + 6x = 4 - 9 \\ = > {x}^{2} + 6x = - 5 \\ = > {x}^{2} + 6x + 5 = 0 \\ = > {x}^{2} + 5x + x + 5 = 0 \\ = > x(x + 5) + 1(x + 5) = 0 \\ = > (x + 1)(x + 5) \\ = > x = - 1 \: \: or \: \: - 5$