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Alex17521 [72]
2 years ago
11

What is 9% expressed as a decimal?

Mathematics
1 answer:
kakasveta [241]2 years ago
7 0

Answer:

0.09

Step-by-step explanation:

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pat calculated tan(88)° and obtained a value of 28.6363, but isn't sure what that value means in context. write at least one sen
coldgirl [10]

Step-by-step explanation:

tangent is the ratio of opposite (o) to adjacent (a). it means when an angle is getting bigger, it will impact to the ratio of o/a and reaching infinite value at the angle 90°.

8 0
3 years ago
Translate these points
zmey [24]
3,-4 is the correct anwser
3 0
2 years ago
GC = 4x + 5, CF = 3x – 2, and GF = 24. What is the value of x?
Aleonysh [2.5K]
G = F(4x+5)/ 3x-2
C = (4x+5) (3x-2)/ 24C
F = 3x-2/C
6 0
3 years ago
Show 2 different solutions to the task.
laila [671]

Answer with Step-by-step explanation:

1. We are given that an expression n^2+n

We have to prove that this expression is always is even for every integer.

There are two cases

1.n is odd integer

2.n is even integer

1.n is an odd positive integer

n square is also odd integer and n is odd .The sum of two odd integers is always even.

When is negative odd integer then n square is positive odd integer and n is negative odd integer.We know that difference of two odd integers is always even integer.Therefore, given expression is always even .

2.When n is even positive integer

Then n square is always positive even integer and n is positive integer .The sum of two even integers is always even.Hence, given expression is always even when n is even positive integer.

When n is negative even integer

n square is always positive even integer and n is even negative integer .The difference of two even integers is always even integer.

Hence, the given expression is always even for every integer.

2.By mathematical induction

Suppose n=1 then n= substituting in the given expression

1+1=2 =Even integer

Hence, it is true for n=1

Suppose it is true for n=k

then k^2+k is even integer

We shall prove that it is true for n=k+1

(k+1)^1+k+1

=k^1+2k+1+k+1

=k^2+k+2k+2

=Even +2(k+1)[/tex] because k^2+k is even

=Sum is even because sum even numbers is also even

Hence, the given expression is always even for every integer n.

3 0
3 years ago
Please help immediately
EleoNora [17]

Answer:

.90(85.00) would give the same result

Step-by-step explanation:

Rhonda is using the total cost of the item ($85.00) multiplied by the discount (10%) to find the total discount:  85 x 0.10 = 8.50.  Once Rhonda subtracts the discount ($8.50) from the total:  $85 - $8.50 = $76.50.  The other way to look at the problem, is that Rhonda is only paying for 90% of the total cost of the items, instead of 100% since she is receiving the 10% discount.  So, she would get the same final total by multiplying the cost of the items ($85.00) by 90%, or 0.90.  

4 0
3 years ago
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