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Mathematics

1 answer:

Marrrta [24]3 years ago

4 0

Answer:

B and C

Step-by-step explanation:

i just did this give me brainliest

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Central= 127 Radius= 7. What is the length of the indicated arc (x)

tia_tia [17]

Given:

$\begin{gathered} \theta\text{ = 127} \\ r\text{ = 7 mm} \end{gathered}$

Required:

Length of an arc x.

Explanation:

Length of an arc is given as,

$Length\text{ of an arc =}\frac{\theta}{360}\times2\pi\text{r}$

Length of an arc is calculated as,

$\begin{gathered} Length\text{ of an arc = }\frac{127}{360}\times2\times3.14\times7 \\ Length\text{ of an arc = 0.3528 }\times2\times3.14\times7 \\ Length\text{ of an arc = 15.5091 mm} \\ \end{gathered}$

Answer:

Thus the value of the length of an arc is 15.5091 mm

5 0

2 years ago

What is 7500 written in scientific notation

hjlf

7.5 x 103 is the scientific notation of 7500

3 0

3 years ago

Read 2 more answers

Write an equation for the n'th trem of the arithmetic sequence.<br> -5, -4, -3, -2....

alexandr1967 [171]

Answer:

Step-by-step explanation:

It's A. =1n-6

6 0

3 years ago

What is the length of NM?

MA_775_DIABLO [31]

Answer:

See below :)

Step-by-step explanation:

We know that these traingles are all similar. We can see the angle NMK is 60 degrees so we also know that JNK is 60 degrees. Now we know that all of the triangles are 30-60-90 triangles. JN is 3, so from the "leg opposite to 30 degree theorem", we know that NK is two times JN which is 6. Then from the same theorem, we know that NM is NK divided by the square root of 3

$\frac{6}{\sqrt3}$