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nexus9112 [7]
3 years ago
13

What is the value of x in the proportion ​

Mathematics
1 answer:
siniylev [52]3 years ago
4 0

Answer:

  5 2/5

Step-by-step explanation:

Multiply by (3 3/5)x/(1 1/2):

  x = (2 1/4)(3 3/5)/(1 1/2) = (9/4)(18/5)(2/3) =27/5

  x = 5 2/5

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The 8th term of an ap is 17 and 19 term is 39 find the common difference​
Ksivusya [100]

Answer:

2

Step-by-step explanation:

an = a1 + d(n-1) is the formula

17 = a1 +d(8-1 ) = a1 *7d

39 = a1 +d (19-1) =a1+ 18d

We have 2 equations and 2 unknown.  Subtract to eliminate a1

39 = a1 +18d

-17 = a1 +7d

--------------------

22 = 11d

Divide by 2

22/11 = 11d/11

2 =d

The common difference is 2

6 0
3 years ago
This is my question -- factorise x^2+5x+6
ioda

Answer: (x+2)(x+3)

Step-by-step explanation:

Find the multiples of 6 and then see which two numbers adds up to 5

4 0
3 years ago
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Answer:

y=x-3

Step-by-step explanation:

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it goes up 1 over 1

so essentially, it would be 1x or just x

7 0
3 years ago
Add. Write fractions in simplest form. REMEMBER TO USE YOUR INTEGER
Vesna [10]

Answer:

-8.85714285714

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5/7 divided by 3 and 1/3
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Answer:

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