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Len [333]
3 years ago
5

A car can travel 120 miles on 4 gallons of gasoline. How much gasoline will it need to go 510 miles?

Mathematics
1 answer:
meriva3 years ago
7 0

Answer:

17

Step-by-step explanation:

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18 questions answered correctly on a test. that is 75% of the total number of questions. How many questions were on the test?
adelina 88 [10]

Answer:

24 = questions on test

Step-by-step explanation:

Questions answered correctly = questions on test * percent answered correctly


We know that she answered 18 correctly and that 75% were answered correctly

Substitute this information into the equation

18 = questions on test *.75

Divide by .75 on each side

18/.75 = questions on test *.75/.75

24 = questions on test

7 0
3 years ago
There is an average of 3.5 x 10^−2 kilograms of dissolved salt in each liter of seawater. The Pacific Ocean contains approximate
IgorC [24]
This is the answer check it out

3 0
3 years ago
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Solve by elimination <br> 3x - 2y = 4<br> x+4y=34
Xelga [282]

Answer:

x= 6

y= 7

Step-by-step explanation:

multiply top by 2 then eliminate

4 0
3 years ago
What is the simplified form of the following expression? 2 Sqrt 18+3 Sqrt 2 + Sqrt 162
grandymaker [24]

Answer:

18√2

Step-by-step explanation:

2√18 + 3√2 + √162

= 2√(9 * 2) + 3√2 + √(81 * 2)

= (2 * 3)√2 + 3√2 + 9√2

= 6√2 + 3√2 + 9√2

= (6 + 3 + 9)√2

= 18√2

6 0
3 years ago
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Please helppppppppppppppppppppppppppppp
Jobisdone [24]

Answer:

54

Step-by-step explanation:

angle A+angle B+Angle C =180 degree [ angle sum property of a triangle]

36 +90 + angle B =180 degree

126 +angle B =180 degree

angle B= 180-126

54 degree

Ans

5 0
3 years ago
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