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Brut [27]
3 years ago
5

In the diagram below AC is perpendicular to BD find x show all work

Mathematics
2 answers:
ozzi3 years ago
7 0
3x + 9 = 90
3x = 90 - 9 = 81
x = 81/3 = 27
x = 27
tino4ka555 [31]3 years ago
3 0

Answer:

27

Step-by-step explanation:

3x + 9 = 90⁰

3x = 81

x = 27

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The third term in an arithmetic sequence is 9 and the fifth term is 21 . If the first term if a1, which is an equation for the n
tino4ka555 [31]

Answer:

A: an = 6n - 9

Step-by-step explanation:

third term in an arithmetic sequence is 9

a3 = a + 2d

a + 2d = 9

the fifth term is 21

a5 = a + 4d

a + 4d = 21

a + 2d = 9 (1)

a + 4d = 21 (2)

Subtract (1) from (2) to eliminate a

4d - 2d = 21 - 9

2d = 12

d = 12/2

d = 6

Substitute d = 6 into (1)

a + 2d = 9 (1)

a + 2(6) = 9

a + 12 = 9

a = 9 - 12

a = -3

nth term of this sequence = a + (n - 1)d

= -3 + (n - 1)6

= -3 + 6n - 6

= 6n - 9

an = 6n - 9

3 0
2 years ago
What is the function rule for the following situation? Rex paid $20 for a membership to the pool and pays $300 each time he goes
asambeis [7]

f(x)=20+300x

Also, Rex should find a different pool because that fee is ridiculous.

8 0
2 years ago
Which equations matches the graph
iren2701 [21]
The answer for the question is C
7 0
2 years ago
Please see attached below and please explain how to solve.
densk [106]

Answer:

  The 6% simple interest account earns more interest in 2 years.

Step-by-step explanation:

You can compare the multipliers in the interest formulas.

For simple interest, the amount in the account (A) starting with principal P and earning at rate r for t years will be ...

  A = P(1 +rt)

For the values given, r=.06 and t=2, the multiplier is ...

  1 +rt = 1 +.06·2 = 1.12

__

For interest compounded annually, the amount will be ...

  A = P(1 +r)^t

For the given values, the multiplier is ...

  (1+r)^t = (1.04)^2 = 1.0816

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Since 1.12 > 1.0816, the account earning simple interest will earn more interest.

5 0
3 years ago
What is the distance between the two coordinates points?
Varvara68 [4.7K]
You just have to count the boxes between them which is 6
7 0
3 years ago
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