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VikaD [51]
2 years ago
9

Algebra ,, will mark brainliest!!

Mathematics
1 answer:
Viktor [21]2 years ago
7 0

Answer:

B

Step-by-step explanation:

(1 1/2,-2)

solve for x and get 1 1/2

solve for y and get -2

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What’s the answer does anyone know?
Alexus [3.1K]

56.57

Explanation:
In the process,
Diameter= 18,
Radius(r)=
18
2

∴
Radius= 9
Now,
Circumference (Perimeter) = ?
According to the formula,
Perimeter= 2
×
22
7
×
r

Taking the equation,
Perimeter= 2
×
22
7
×
r

2
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396
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56.57142857

56.57

Let's hope this helps you:)
8 0
3 years ago
Read 2 more answers
In a race between 18 people, how many ways can the top 5 finishers be arranged?
snow_lady [41]

Answer:

Step-by-step explanation:

This is permutation, since order matters.  The formula for us is

₁₈P₅ = \frac{18!}{(18-5)!} which simplifies to

₁₈P₅ = \frac{18*17*16*15*14*13!}{13!}

The factorial of 13 cancels out on the top and bottom leaving you with

₁₈P₅ = 18 × 17 × 16 × 15 × 14

which comes to 1,028,160 ways

Another way to look at it is:  the first 5 people of 18 finish and the others you don't care about.  Once the first place person is first, there are only 4 of the 18 left to finish in second place.  Then there are only 3 left to finish in third place, etc.  So if we use that reasoning, we don't even need to use the formula, we can just say

18 * 17 * 16 * 15 * 14 and those are the first 5 people of 18 to finish.

8 0
3 years ago
What type of correlation is suggested by the scatter plot?
Bas_tet [7]
No correlation is suggested
8 0
3 years ago
8/7 ÷ 6/4 <br><br> Solve the problem (Hint: Simplify before you multiply) *
IgorLugansk [536]
16/21 is the correct answer
6 0
3 years ago
Solve by completing the square and show steps <br> x^(2)+6x+5=0
Crazy boy [7]
X ^2 +6x+ 5
(x+2)(x+3)

2 + 3 = 5
While also 2•3= 6
The two numbers have to equal b when multiplied and c when added
4 0
3 years ago
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