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julsineya [31]
3 years ago
15

Solve the proportion below. 55/x=5/6 x=? A. 50 B. 60 C. 56 D. 66

Mathematics
2 answers:
Klio2033 [76]3 years ago
0 0

Answer:D)66


Step-by-step explanation:

55 /x = 5/ 6

Step 1: Cross-multiply.

55 /x = 5/ 6

(55)*(6)=5*x

330=5x

Step 2: Flip the equation.

5x=330

Step 3: Divide both sides by 5.

5x /5 = 330 /5

x=66

Ivahew [28]3 years ago
0 0

Answer:

d

Step-by-step explanation:

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3 years ago
Identify a pattern in the given list of numbers. Then use this pattern to find the next number.
Rom4ik [11]

Answer:

The given sequence is geometric sequence

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Step-by-step explanation:

Given numbers are 64,-16,4,-1

To identify the pattern of the given numbers :

Let a_1=64, a_2=-16 ,a_3=4  and a_4=-1

To find the next number that is a_5

common ratio r=\frac{a_2}{a_1}

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Therefore the common ration is r=-\frac{1}{4}

Therefore the given sequence is geometric sequence

The nth term of the geometric sequence is a_n=a_1r^{n-1}

Now find the 5th term so put n=5 , a_1=64andr=\frac{-1}{4} we have

a_5=64(\frac{-1}{4})^{5-1}

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=64(\frac{1}{4})^{4}

=64(\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4})

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Step-by-step explanation:

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Step-by-step explanation:

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