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Margarita [4]
3 years ago
12

Solve the inequality. Explain all steps and identify the properties used. 3a-4<_ 5

Mathematics
1 answer:
Ierofanga [76]3 years ago
3 0
Well, you want to solve for a. You first add the 4 to both sides. 
3a-4<5
3a<9
Then you want to get a by itself so you divide both sides by 3. Since the 3 is positive you don't have to worry about switching the sign. It stays this way <

After you divided both sides by 3 you get a<3
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AleksAgata [21]
The number 3

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3 years ago
A rectangular park, 90 meters by 60 meters, is to be built on a city block having an area of 9000 m^2. A uniform strip borders a
stealth61 [152]

Answer:

x = 10.52 m

Step-by-step explanation:

Given that,

Length of a park = 90 m

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(90+2x)(60+2x) = 9000

4x^2 +120x +180x =5400 = 9000\\\\x=10.52\ m

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8 0
2 years ago
Factor 0.04m 2 - n 2. (0.2n - m)(0.2n + m) (0.2m - n)(0.2m - n) (0.2m - n)(0.2m + n)
Romashka [77]
-----------------
0.04m² - n²

(0.2m)² - n²

<span>(0.2m + n)(0.2m -  n)</span>
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5 0
2 years ago
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Snowcat [4.5K]

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5 0
1 year ago
Please help me solve for the slope of the graph
zalisa [80]

Answer:

4/5

Step-by-step explanation:

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8 0
2 years ago
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