3 years ago

Which arc must be a major arc?

Mathematics

1 answer:

HACTEHA [7]3 years ago

5 0

Arc NRC is the answer to ur question
Hope This helps u.........

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I need help ASAP The angle measures of a triangle are shown in the diagram. 50° les (3x - 10) ° What is the value of x? F25 G 20

insens350 [35]

Answer:

The answer is 28

Step-by-step explanation:

Since the total measurements of triangle corners are equal to 180

Then

$2x + 3x - 10 + 50 = 180 \\ 5x - 40 = 180 \\ 5x = 140 \\ x = 28$

4 0

3 years ago

Suppose that 30% of flies are black, and 70% are grey. Two flies are chosen at random, what is the probability that the chosen f

Neporo4naja [7]

Probability of choosing a black fly = 30/100 = 0.3

Probability of choosing a grey fly = 70/100 = 0.7

So, probability of choosing 2 grey flies = 0.7*0.7 = 0.49

4 0

3 years ago

Find an equation for the nth term of the arithmetic sequence. -20, -16, -12, -8, ...

Mariulka [41]

Answer:

an= -20+4(n-1)

Step-by-step explanation:

8 0

3 years ago

The fifth term of an arithmetic sequence is 100, and the common difference is 4. Find the first three terms of the sequence.

Ronch [10]

$\bf a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term}\\
d=\textit{common difference}\\
--------------\\
a_5=100\\
n=5\\
d=4
\end{cases}
\\\\\\
a_5=a_1+(5-1)4\implies 100=a_1+(5-1)4
\\\\\\
\textit{solve for }a_1\textit{ to find the first term}$

then use the common difference "d", to get the 2nd and 3rd terms

-------------------------------------------------------------------------------------------

$\bf a_5=a_1+(5-1)4\implies 100=a_1+(5-1)4\implies 100=a_1+(4)4
\\\\\\
100=a_1+16\implies 100-16=a_1\\\\ 84=a_1\quad 
\begin{cases}
a_1=&84\\
a_2=84+4\to &88\\
a_3=88+4\to &92
\end{cases}$

6 0

4 years ago

Five brothers equally share 3boxes of snack crackers. How many boxes does each brother receive?

seraphim [82]

Answer:

1.666666=1 2/3 is the amount each brother recieves.

Step-by-step explanation:

First start with dividing

5/3= 1.666666=1 2/3 is the amount each brother recieves.

We can make sure by adding 1 2/3+1 2/3+ 1 2/3=3 6/3=5

3 0

3 years ago