3 years ago

What's the solution to these questions?

Mathematics

1 answer:

sveticcg [70]3 years ago

6 0

1st Question:
X = 18

2nd Question:
X=20

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Please help with this question

natita [175]

Answer:

$12\sin{(2\theta)}\cos{(\theta)}$

Step-by-step explanation:

The appropriate trig identity is ...

$\sin{a}+\sin{b}=2\sin{\left(\dfrac{a+b}{2}\right)}\cos{\left(\dfrac{a-b}{2}\right)}$

Here, you have a scale factor of 6 and a=3θ, b=θ. Filling in these values gives ...

$6\sin{3\theta}+6\sin{\theta}=12\sin{\left(\dfrac{3\theta+\theta}{2}\right)}\cos{\left(\dfrac{3\theta-\theta}{2}\right)}\\\\=12\sin{(2\theta)}\cos{(\theta)}$

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3 years ago

A certain standardized test measures students’ knowledge in English and math. The English and math scores for 10 randomly select

rodikova [14]

Answer

A.
y=180.2 +0.68x

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Robert bought 24 chicken wings for $57.60. How much would it cost for 22 wings?

horsena [70]

Roberta it would cost 52.80 for 22 wings

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3 years ago

Read 2 more answers

What is 2.o85 x 10*6 in standard dorm

RSB [31]

The answer to the question is 2,085,000

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3 years ago

Find the area of the figure below A.288.62 B.266.22 C.186.66 D.236.6

Archy [21]

Answer:

A. 288.62

Step-by-step explanation:

Area of two triangles = 15.3 * 10.4 = 159.12

Area rectangle = hypotenuse triangle * 7

hypotenuse = √108.16 + 234.09

Hypotenuse = 18.5

Area rectangle = 18.5 * 7 = 129.5

129.5 + 159.12 = 288.62

Answer = A. 288.62

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-Chetan K

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3 years ago