3 years ago

PLS HELP ASAP I WILL GIVE BRAINERLIST PLUS 10 POINTS

1 answer:

6 0

It’s the 3rd answer choice

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kolezko [41]

Answer:

you

Step-by-step explanation:

4 0

3 years ago

Musya8 [376]

3/5 x=21 /*5
3x= 105
x= 35
She brought 35

Answer to comment:
<span>1/7(14x+7)-5=6 /*7
14x+7-35=42
14x=42-7+35
14x= 70 /:14
x= 5
</span>

7 0

3 years ago

Marta_Voda [28]

Answer:

9 or 27

Step-by-step explanation:

8 0

3 years ago

kumpel [21]

Sorry, explain what?

3 0

3 years ago

kherson [118]

The explicit formula of an arithmetic sequence:

$a_n=a_1+(n-1)d$

We have:

$a_1=-100,\ a_2=-70,\ a_3=-40;\ a_4=-10,\ ...\\\\d=a_{n+1}-a_n\to d=-70-(-100)=-70+100=30$

Substitute:

$a_n=-100+(n-1)(30)=-100+30n-30=30n-130$

Answer: an = 30n - 130

7 0

3 years ago