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maw [93]
2 years ago
8

At a speed of 50 miles per hour, a certain car uses 1 gallon of gasoline every 30 miles. if the car starts with a full 12 gallon

tank of gasoline and travels for 5 hours at 50 miles per hour, the amount of gasoline used would be what fraction of a full tank? (a) 3/25 (b) 11/36 (c) 7/12 (d) 2/3 (e) 25/36
Mathematics
1 answer:
yKpoI14uk [10]2 years ago
4 0

First find the total amount of miles traveled: 50*5=250

Then divide how many gallons of gas used per mile by total miles traveled: 30/250= 3/25

your answer: 3/25

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A teacher is organizing her school supllies. she noticed that for every 2 pencils she has 7 pens. If she has 35 pens how many pe
Liula [17]

Answer:

10

Step-by-step explanation:

because 7÷35 =5 but that would be for only one pencil so if u multiply that 5×2 it would be 10 pencils

6 0
2 years ago
9/11 - 1/2 in it's simplest form​
Murrr4er [49]

Answer:

7/22

Step-by-step explanation:

Step 1: <u>Define/explain.</u>

To subtract fractions with different denominators, you must first find the least common denominator (LCM).

You can do this by listing the multiples of each denominator.

Step 2: <u>Solve.</u>

11: 11, 22, 33, 44, 55, 66, 77, 88, 99, 110

2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22

22 is the LCM.

Now, we change the fractions to where they both have denominators of 22.

**REMEMBER: WHICHEVER NUMBER YOU MULTIPLY THE DENOMINATOR BY, YOU MULTIPLY IT BY THE NUMERATOR AS WELL!!**

9/11*2/2=18/22

1/2*11/11=11/22

Now, subtract as normal.

18/22-11/22=7/22

7/22 (simplified).

Step 3: <u>Conclude.</u>

Therefore, 9/11 - 1/2 = 7/22.

5 0
3 years ago
The cost of having a package delivered has a base fee of $9.70. Every pound over 5 lbs cost an additional $0.46 per pound. Write
FrozenT [24]
The linear model of this case takes the form:

y = a(x-b) + k

<span>The cost of having a package delivered has a base fee of $9.70
this is "k" >>>>>  k=9.7 (fixed amount of fee)

THEN

</span>
<span>Every pound over 5 lbs cost an additional $0.46 per pound

that means: 0.46(x-5)
in other words, if the package weighs foe example 9 pounds, then 9-5=4, it will cost 0.46*4 for these 4 extra pounds

Finally we have the linear form of this: C = 0.46 (W - 5) + 9.7
</span>
3 0
3 years ago
It kinda easy for you i promise
Nadya [2.5K]

Answer:

(x,y) = (4,3)

Step-by-step explanation:

6 0
2 years ago
Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does 0 rep
mote1985 [20]
This would be something like [5] or -[-5] which is absolute value (>.<)
8 0
3 years ago
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