All categories

3 years ago

Please help plsssssss

Mathematics

2 answers:

Ivan3 years ago

6 0

Yes because they all have even lengths of a triangle

tamaranim1 [39]3 years ago

3 0

Answer:

Step-by-step explanation:

The sum of two sides of any triangle must be greater than the remaining side.

12+6>4

18>4

12+4>6

16>6

6+4<12

10<12

^This one doesn't work^

You might be interested in

9. A dust mite is about 250 microns long. One micron equals 0.001 millimeter. How long is a

lora16 [44]

Answer:

0.250

Step-by-step explanation:

0.001x250=0.250

6 0

3 years ago

Hey , I need help with this question

belka [17]

The answer is y = 6. My work is shown in the photo.

4 0

3 years ago

Can someone help me with number 6 pls. I will give brainly.

aalyn [17]

Answer:

The answer is... x = 7 I used an app called Cymath is goes down step by step to help.

Step-by-step explanation:

I hope I helped you! :)

3 0

3 years ago

Read 2 more answers

Write a numerical expression that represents the quotient of 85 minus 7 and 19

disa [49]

Answer:

85-7-19 or 85-26

Step-by-step explanation:

4 0

3 years ago

Find the Value of Sin A rounded to the nearest hundredth, if necessary.

leonid [27]

Step-by-step explanation:

In trigonometry, the law of sines is an equation that relates the length of the sides of a triangle (any type of triangle) to the sines of its angles. This is expressed mathematically as

$\displaystyle\frac{a}{\sin \alpha} \ = \ \displaystyle\frac{b}{\sin \beta} \ = \ \displaystyle\frac{c}{\sin \gamma}$ ,

where $a$ , $b$ , and $c$ are the lengths of the sides of the triangle and $\alpha$ , $\beta$ , and $\gamma$ are the opposite angles (as shown in the figure below). Likewise, the law is sometimes written as it reciprocals,

$\displaystyle\frac{\sin \alpha}{a} \ = \ \displaystyle\frac{\sin \beta}{b} \ = \ \displaystyle\frac{\sin \gamma}{c}$ .

Therefore,

$\displaystyle\frac{\sin A}{BC} \ = \ \displaystyle\frac{\sin B}{AC} \\ \\ \\ \sin A \ = \ \displaystyle\frac{\sin B \ \times \ BC}{AC} \\ \\ \\\sin A \ = \ \displaystyle\frac{\sin \left(90^{\circ}\right) \ \times \ \sqrt{\left(10\right)^{2} \ - \ \left(\sqrt{78}\right)^{2}}}{10} \\ \\ \\ \sin A \ = \ \dsiplaystyle\frac{\sqrt{22}}{10} \\ \\ \\ \sin A \ = \ 0.47 \ \ \ \ (\text{nearest hundredth})$

Alternatively, you can solve this question using the definition of the trigonometric function sine. For the angle $\theta$ in the figure below,

$\sin \theta \ = \ \displaystyle\frac{\text{opposite}}{\text{hypothenuse}}$ .

Therefore,

$\sin A \ = \ \displaystyle\frac{BC}{AC} \\ \\ \\ \sin A \ = \ \displaystyle\frac{\sqrt{\left(10\right)^{2} \ - \ \left(\sqrt{78}\right)^{2}}}{10} \\ \\ \\ \sin A \ = \ \displaystyle\frac{\sqrt{22}}{10} \\ \\ \\ \sin A \ = \ 0.47 \ \ \ \ (\text{nearest hundredth})$

8 0

3 years ago