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kotykmax [81]
3 years ago
14

If your car gets 35 miles per​ gallon, how much does it cost to drive 400 miles when gasoline costs ​$3.30 per​ gallon?

Mathematics
1 answer:
Arlecino [84]3 years ago
7 0
To solve his equation start by finding how many gallons of gas you need to purchase for the total trip.
Set up an expression that divides the total distance of the trip by the miles received per gallon.
This gives you:
400 / 35

Divide to get 11.43 gallons.

To find the cost of this, multiply the total number of gallons needed to cover the trip by the cost of each gallon.
Set this up in another expression.
This results in:
11.43 x 3.30

Multiply the values to find the total cost.
This leaves you with:
37.72

So, the total cost for gas for a 400 mile trip on 35 miles per gallon is $37.72.

I hope this is correct and helps you! :)
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14-8+5-2+6-11= a(4) b(8) c (20) d (26)​
avanturin [10]
14-8+5-2+6-11 is 4, therefore, the answer is A(4)
3 0
3 years ago
Can I get help please?
Annette [7]

Answer:

x = 1/4, y = 1/2

Step-by-step explanation:

First we can solve for y in each equation.

3x - 1/4 = y

y = 1/2(x) + 3/8

This means 3x - 1/4 = 1/2(x) + 3/8.

Simplifying, we get 5/2(x) = 5/8. This means x = 1/4. Now, we plug in x = 1/4 into the first equation to get

3(1/4) - 1/4 = y

3/4 - 1/4 = y

y = 2/4 = 1/2

6 0
2 years ago
Some one please help me with this 3 part assignment. I will give you as many points as you want. Just please do it correctly. Th
dsp73
The complete question in the attached figure
A) How much material does he need to cover one rectangular side of the tent?
to cover the rectangular side ABCD, calculate the area
Area=CD*AC=9*6=54 ft²
the answer part A is 54 ft²

B) <span>If David’s dad wanted to re-cover the whole tent, how much material would he need? 

the area total=2*[Area ABCD]+2*[Area ACE]

</span>Area ABCD=9*6=54 ft²
Area ACE=(1/2)*7*6=21 ft²
the area total=2*[54]+2*[21]=150 ft²

the answer part B is 150 ft²

C) <span>If David found a roll of tent material in the garage that was 65 ft2, would he have enough material to cover the entire tent? Explain your reasoning.

to cover the entire tent is required 150 </span>ft²
150 ft²> 65 ft²------> David not have enough material to cover the entire tent
<span>
the answer part C is 
</span>David not have enough material to cover the entire tent

8 0
3 years ago
In a certain elementary school, 52% of the students are girls. A sample of 65 students is drawn. Would it be unusual for more th
aksik [14]
P = 52% = 0.52
SE = sqrt(p(1 - p)/n) = sqrt(0.52(1 - 0.52)/65) = sqrt((0.52 x 0.48) / 65) = sqrt(0.00384) = 0.0620

Let x be a random variable representing the percent of girls in the sample, then
P(x > 0.70) = 1 - P(x < 0.70) = 1 - P(z < (0.70 - 0.52) / 0.0620) = 1 - P(z < 2.905) = 1 - 0.99816 = 0.00184

The probability that there will be more than 70% of girls in the sample is 0.00184. Therefore, it will be unusual for more than 70% of them to be girls.
4 0
3 years ago
(n+n+12)3=84<br><br><br><br><br> .......
Crazy boy [7]

Answer

Divide each term in 12n= 84 by 12

Step-by-step explanation:

Cancel the common factor of 12 , then divide n by 1. divide 84÷12= n=7

7 0
3 years ago
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