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Rina8888 [55]
2 years ago
13

PleAse please help fast

Mathematics
2 answers:
Ilia_Sergeevich [38]2 years ago
8 0

Answer:

23

Step-by-step explanation:

their are 3 side that are 5cm long and 2 sides that are 4cm

3×5=15 4×2=8 15+8=23

pogonyaev2 years ago
3 0
18???? Sorry I’m not to sure, but you can try that out!
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The product (x) of two numbers is 24 and their sum (+) is 10. What is the value of the largest of the two numbers?
RideAnS [48]

let the two numbers be x and y

From the first sentence,

xy=24

x+y=10

Then make y in equation 2 the subject of the formular and substitute in equation 1

x+y=10

y=10-x

substituting in equation 2

x(10-x)=24

open the bracket

10x-x^2=24

=-x^2+10x=24

Transfer the constant to the left hand side

=-x^2+10x-24=0

Then factorise completely

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vovikov84 [41]

Answer:

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