2 years ago

Need help i will give brainlist

Mathematics

1 answer:

Nadya [2.5K]2 years ago

7 0

Answer:

The option u chose is the correct one

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Find the 100th term in the arithmetic sequence

fiasKO [112]

$a_n=a_1+(n-1)d\\\\d=a_{n+1}-a_n$

$a_1=-19;\ a_2=-14;\ a_3=-9;\ a_4=-4;\ a_5=1;\ ...\\\\d=a_2-a_1=a_3-a_2=a_4-a_3=...\\\\d=-14-(-19)=-14+19=5\\\\a_n=-19+(n-1)(5)=-19+5n-5=5n-24\\\\a_{100}=5(100)-24=500-24=476\to\boxed{c.}$

5 0

3 years ago

In the figure, d, e, and f, are parallel lines. What is the value of x?

Aleks04 [339]

Answer:

x=150

Step-by-step explanation:

Since f is flat, that means that the total degrees will equal 180°.

Therefore, because of the 60° and (x-30)° angles being supplementary angles, $60+x-30$ will equal 180.

$60+x-30=180\\30+x=180\\x=150$

5 0

3 years ago

Plzzz help me!!

bija089 [108]

The answer is 20 cm 3

3 0

4 years ago

Change the percent to a decimal equivalent.<br> 9 7/10

Simora [160]

Answer:

0.97

Step-by-step explanation:

97 /100

You can round once from behind to convert 97% to 0.97

6 0

4 years ago

Read 2 more answers

8x + 7y = 2<br> 8x + 3y = 10

DIA [1.3K]

Answer:

what do you want from this question?

Step-by-step explanation:

5 0

3 years ago

Need help i will give brainlist​

Need help i will give brainlist