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boyakko [2]
3 years ago
8

What numbers multiply to 20 & add up to 9.

Mathematics
2 answers:
Fantom [35]3 years ago
5 0

Answer:

4 and 5

Step-by-step explanation:

4 x 5 = 20

4 + 5 = 9

larisa [96]3 years ago
3 0

Answer:

4 and 5

Step-by-step explanation:

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Last term of the arithmetic progression 8,15,22 is 218. Find<br>the number of terms.​
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31 terms.

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3 years ago
Solve the equation below and find the variation constant, k .Find y when x = 7 and z=5, if y varies jointly as x and 2, and y= 1
Vlada [557]
<h3>Answers:</h3>

Variation Constant: k = 7/6

y = 245/6 when x = 7 and z = 5

====================================

Explanation:

"y varies jointly as x and z" means that y = kxz

We have (x,y,z) = (4,14,3) as one triple, so,

y = kxz

14 = k*4*3

14 = 12k

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k = 7/6 is the variation constant

The equation goes from y = kxz to y = (7/6)xz

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

Plug in x = 7 and z = 5 to find y

y = (7/6)xz

y = (7/6)*7*5

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3 years ago
5j+s=t-2 solve for t
Gekata [30.6K]

The answer is

T= 5j+s+2


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