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kvasek [131]
3 years ago
15

I really need help with this question could I please get help?

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0
X is equal to 12 and y is equal to 8
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Find the first 5 terms of the arithmetic sequence : a(1)=-3 , a(17)=-20
madreJ [45]
The explicit formula for arithmetic sequence is:
an=a+(n-1)d
where:
a=first term
d=common difference 
given:
a3=22
a(17)=-20
substituting this in our equation we get:
22=a+(3-1)d
22=a+2d
a=22-2d........i

also:
-20=a+(17-1)d
-20=a+16d.....ii
but substituting i in ii we get:
-20=22-2d+16d
-20-22=14d
-42=14d
d=-3
but:
a=22-2d
a=22-2(-3)
a=28
thus the formula will be:
an=28-3(n-1)
thus the first term will be 28
the 2nd term will be:
a2=28-3(2-1)
a2=25

the 3rd term will be:
a3=28-3(3-1)
a3=28-6
a3=22

a4=28-3(4-1)
a4=28-9
a4=15

a5=28-3(5-1)
a5=28-3(4)
a5=28-12
a5=15

5 0
2 years ago
Determine the number of ways to distribute 10 orange drinks, 1 lemon drink, and 1 lime drink to four thirsty students so that ea
Thepotemich [5.8K]

Answer:

each student gets 3 drinks, make sure the lemon and lime are in different groupings

Step-by-step explanation:

7 0
2 years ago
select the three objectives mosquitoes hovered around the small puddle of still murky water in the background ​
gayaneshka [121]

Answer:

Step-by-step explanation:

6 0
2 years ago
Nathan is married filing jointly has a gross income of $54300 adjustments of $2460 2 exemptions of 16400 and deductions of 16500
Charra [1.4K]
 Gross Income of $54,300, Adjustments of $2460, 2 Exemptions of $16,400, and Deductions of $16,500?

Taxable amount = $54,300 - ( $2460 + $16,400 + $16,500 ) = 84,740.
I don't have the list of the tax bracket. The tax bracket of 2016 and 2017 are also different. Just get the tax bracket and multiply the taxable amount.

7 0
2 years ago
How to write 144 divided by 8 in distributive property
anygoal [31]
You could use long division ifyou know your multiplication you can do it but an example you do these steps
1.divide
2.multiply
3.subtract
4.do it again and do the steps all over again
7 0
3 years ago
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