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IrinaVladis [17]

3 years ago

8

Do most students walk, bike, or bus to school? Most students to school. If 100 students were surveyed, how many students walk to

school each day? students

1 answer:

Mekhanik [1.2K]3 years ago

4 0

Answer:

54

Step-by-step explanation:

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Boston had a high temperature this year of 99º. They had a low temperature of -10°.

stealth61 [152]

Answer:

109

Step-by-step explanation:

99+10=109

3 0

3 years ago

In how many ways can a teacher arrange 6 students in the front row if there are 30 total students?

katrin2010 [14]

Same as before, Permutation $\bf _nP_r=\cfrac{n!}{(n-r)!}\qquad \qquad _{30}P_6=\cfrac{30!}{(30-6)!}$

8 0

3 years ago

Find the sum of the geometric sequence -3,15,-75,375,... when there are 7 terms and select the correct answer below.

vivado [14]

Answer:

-39,063

Step-by-step explanation:

In this geometric, sequence, you are multiplying by -5. So, we can continue the sequence by mulitplying 375(your last value) by -5 and so on, until we have 7 total terms.

Now we add the terms together:

-3+15+-75+375+-1875+9375+-46875

=-3+15-75+375-1875+9375-46875

=-39063

Hope this helps :)

8 0

3 years ago

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 ...

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

8 0

2 years ago

Hi y’all please help me !

mestny [16]

Answer:

C

Step-by-step explanation:

They are vertical angles, vertical angles always have the same measurement. example below

this angle is 56---> 56 ><m <---- this angle is always 56 since they are vertical

6 0

2 years ago

Read 2 more answers