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3 years ago

What numbers have a sum of 20 and the difference is 4

Mathematics

2 answers:

kvv77 [185]3 years ago

8 0

Answer:

The numbers are 12 and 8

Step-by-step explanation:

let the numbers be x and y :

$x + y = 20 - - - (a) \\ x - y = 4 - - - (b)$

add (a) and (b):

$2x + 0y = 24 \\ 2x = 24 \\ x = 12$

find y:

$x + y = 20 \\ 12 + y = 20 \\ y = 20 - 12 \\ y = 8$

balu736 [363]3 years ago

6 0

Answer:

16 and 2

Step-by-step explanation:

I'm not sure honestly if this is correct, but I hope this helps.

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A line has a slope of -3 and includes the point (-5,4) and (-7,q). What is the value of q

serious [3.7K]

Answer:

q = 10

Step-by-step explanation:

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2 years ago

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4 years ago

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motikmotik

Probably D because it started out as negative and then kept going up to positive

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3 years ago

Given the expotential function f(x) = 4(3)^x find f(0) and f(1)

RoseWind [281]

Answer:

4 and 12

Step-by-step explanation:

Given

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3 years ago

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