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2 years ago

12

How do you do this question?

1 answer:

Basile [38]2 years ago

6 0

Answer:

b=3

Step-by-step explanation:

When multiplying square roots, you multiply numbers inside the radical.

S

$\sqrt{3} \times \sqrt{6} = \sqrt{18}$

Next, simplify the answer, and you will get

$3 \sqrt{2}$

giving 3 as your b value.

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The area of triangle ABC is 3√2 square inches. Find the measure of the acute angle, A, if b = 9 meters and c = 2 meters.

taurus [48]

Answer:

$A\approx 28^{\circ}$

Step-by-step explanation:

Please find the attachment.

We have been given that area of triangle ABC is 3√2 square inches.

$\text{Area}=\frac{1}{2}\text{Base}\times \text{height}$

We know that area of triangle an be found using trigonometry as:

$\text{Area}=\frac{1}{2}\times c\times h$

$\text{sin}(A)=\frac{h}{9}\\h=9\cdot \text{sin}(A)$

$3\sqrt{2}=\frac{1}{2}\times 2\times 9\cdot \text{sin}(A)$

$3\sqrt{2}=9\cdot \text{sin}(A)$

$9\cdot \text{sin}(A)=3\sqrt{2}$

$\text{sin}(A)=\frac{3\sqrt{2}}{9}$

$\text{sin}(A)=\frac{\sqrt{2}}{3}$

Now, we will use inverse sine to find the value of angle A as:

$A=\text{sin}^{-1}(\frac{\sqrt{2}}{3})$

$A=28.1255057^{\circ}$

$A\approx 28^{\circ}$

Therefore, the measure of angle A is approximately 28 degrees.

3 0

2 years ago

Please help me with this

kondaur [170]

For number 1a. the answer is 7 to 26 or
7:26 or
$\frac{7}{26}$
For number 2a. the answer is 8 to 28 or
8:28 or
$\frac{8}{28} or \frac{2}{7}$
For number 3a. the answer is 12 to 13 or
12:13 or
$\frac{12}{13}$
For number 4a. the answer is 19 to 12 or
19:12 or
$\frac{19}{12}$
For number 5a. the answer is 29 to 10 or
29:10 or
$\frac{29}{10}$
For number 6a. the answer is 11 to 28 or
11:28 or
$\frac{11}{28}$

I just did your homework

4 0

3 years ago

7 pattern.<br> 14. 44, 22, 20, 10, 8,<br> The pattern is

telo118 [61]

Answer:yeet

Step-by-step explanation:

Yeet

7 0

3 years ago

Read 2 more answers

260% of blank is 156

Reptile [31]

Answer:60?

Step-by-step explanation:

260%=2.6

156/2.6

5 0

3 years ago

How much more money will i need to get to 50 if i have 20

vaieri [72.5K]

Answer:

2 plus 3 equals 5 and add the zeros and you have 50

5 0

2 years ago