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dexar [7]
3 years ago
13

4m²-25 how do you solve this problem I don't understand

Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0
4m^2-25 => (ax+b) (ax-b)

(2m+5) (2m-5)
Ksivusya [100]3 years ago
3 0
Add 25 to both sides to get 4m^2= 25
divide by 4 to give m^2=25/4 (6.25)
square root answer to get m= 5/2 (2.5)
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The ratio of the heights of two similar cylinders is 1:3. If the volume of the smaller cylinder is 67 cubic cm, find the volume
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3 years ago
What is the rule of -3,18,-108,—,—,—
lisabon 2012 [21]

Hi! ❄

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

The rule for this sequence is 'multiply by -6'.

Verification ↓

-3*(-6)\stackrel\checkmark{=}18

18*(-6)\stackrel\checkmark{=}-108

So the rule for the sequence is 'multiply by -6'

And the Common ratio is -6.

Hope that made sense !!

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\star\tiny\pmb{calligraphy}\star

5 0
2 years ago
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Answer:

23 days

Step-by-step explanation:

We are told that the stadium holds 7500 individuals.

Now, if 600 seats have already been made, It means the number of seats left to be made to complete the stadium = 7500 - 600 = 6900 seats

We are told that 300 seats can be made in a day. Thus, number of days to be used to finish the remaining seats = 6900/300 = 23 days

Thus, it will take 23 days to complete all the 7500 seats.

5 0
3 years ago
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2. 177

Step-by-step explanation:

4 0
3 years ago
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