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Morgarella [4.7K]
2 years ago
14

Please help meeeeeeeeee im so confused

Mathematics
2 answers:
Alexeev081 [22]2 years ago
8 0
I believe C is the answer because of Keep Change Flip when you’re trying to multiply a fraction.
Snezhnost [94]2 years ago
4 0

Answer:

your right if you thin your wrong B can be right too

Step-by-step explanation:

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The third term in an arithmetic sequence is 14 and the fifth term is 20. If the first term is a1, which is an equation for the n
Kruka [31]

Answer:

The equation for nth term is 3n + 5.

Step-by-step explanation:

Let a1 be a,

a3 = a + (n - 1)d

or, 14 = a + (3 - 1)d

so, 14 = a + 2d

Now,

a5 = a + (n - 1)d

or, 20 = a + (5 - 1)d

or, 20 = a + 4d

now,

a + 4d = 20

a + 2d = 14

now,

a + 4d - ( a + 2d) = 20 - 14

or, a + 4d - a - 2d = 6

or, 2d = 6

so, d = 3

Now,

a + 2d = 14

or, a + 2(3) = 14

or, a = 14 - 6

so, a = 8

Now,

an = a + (n - 1)d

or, an = 8 + (n - 1)3

or, an = 8 + 3n - 3

so, an = 3n + 5

5 0
2 years ago
Jessica plans to purchase a car in one year at a cost of $30,000. how much should be invested in an account paying 10% compounde
dezoksy [38]
The formula is
A=p (1+r/k)^kt
A fund needed 30000
p Amount invested?
R interest rate 0.1
K compounded semiannual 2
T time 1 year
Solve the formula for p to get
P=A÷(1+r/k)^kt
P=30,000÷(1+0.1÷2)^(2×1)
P=27,210.88
4 0
3 years ago
For her birthday, Kendra received a gift card in the mail from her grandparents. The gift card was worth $50. Kendra thought, si
scoundrel [369]

Answer:

$15

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Line q has a slope of 3. line r is parallel to line q. what is the slope of line r?
Misha Larkins [42]

Answer:

998655

Step-by-step explanation:

yes

8 0
2 years ago
Consider triangle PQR. What is the length of side QR?
Inessa [10]

Answer:

Its 16 units!

Step-by-step explanation:

I did thee test on edge :)

6 0
2 years ago
Read 2 more answers
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