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Nataly [62]
3 years ago
13

HELPPPPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
Vika [28.1K]3 years ago
5 0

Answer:

-1.9b + 7.8

Step-by-step explanation:

inn [45]3 years ago
4 0

Answer:

-1.9b + 7.8

Step-by-step explanation:

1.3b - 3.2b = -1.9b

Add that with 7.8 and you get -1.9b + 7.8

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1/8miles a second it's easy I'm good at mathematics

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3 years ago
Combine these radicals. 3/5 + 2/45
Jet001 [13]

Answer:

(3√3 + 3√10)/3√5

Step-by-step explanation:

Radical means square root.

√3/5 + √2/45 = (3√3 + 3√10)/3√5

Note : √45 = √9 × 5 = √ 9 × √ 5 = 3√5

5 0
3 years ago
What percent of the jeans cost more than $20.
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Answer:

866

Step-by-step explanation:

659

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3 years ago
Read 2 more answers
It takes 9 minutes to fill an empty aquarium of a depth of 3/5 meters. What is the unit rate in minutes per meter?
GarryVolchara [31]

Answer:

<h2>The rate is 15 minutes per meter.</h2>

Step-by-step explanation:

It takes 9 minutes to fill a depth of \frac{3}{5} meters.

Filling  \frac{3}{5} meters take 9 minutes time.

Filling 3 meters of the aquarium takes 5\times9 = 45 minutes time (Multiplying by 5 both the numbers).

In order to<u> fill 1 meter of the aquarium it will take </u>\frac{9\times5}{3} = 15<u> minutes</u> (Dividing by 3 both the numerical values).

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