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Allushta [10]
3 years ago
5

2 gallons : 31 miles

Mathematics
2 answers:
yarga [219]3 years ago
8 0
15.5 hope this helps
Vika [28.1K]3 years ago
7 0
15.5, because 31 divided by 2 is 15.5.  And all the other number divided by the number below them also turns out to be 15.5. 

Hope this helps. :)

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What is the value of x in the equation 3(2x + 8) = 0? –8 –4 4 8
Flura [38]
3(2x+8)=0

Simplify both sides of the equation.

3(2x+8)=0

(3)(2x)+(3)(8)=0(Distribute)

6x+24=0

Subtract 24 from both sides.

6x+24−24=0−24

6x=−24

Divide both sides by 6.

6x/6 = −24/6

x=−4

7 0
3 years ago
Read 2 more answers
Oops I meant: what is -7 + 9 = x +1
Ivanshal [37]

Hello!

-7 + 9 = x + 1

2 = x + 1

2 - 1 = x

1 = x

I hope this helps you! Have a lovely day!

- Mal

7 0
3 years ago
Read 2 more answers
The total of two numbers is 28. Four times the smaller number is 7 more than three times the larger number.
navik [9.2K]
Let's define:
x \ \textless \ y

So, you can set up a system of equations:
x + y = 28
4x = 7 + 3y

Now, to solve for both of those values, solve the system of equations:
x = 28 - y
4(28-y) = 7+3y
122-4y=7+3y
115 -4y = 3y
115 = 7y
y = 16.43

Now, plug that y-value into the first equation to solve for x:
x + 16.43=28
x = 11.57

Now, we have both the values. The smaller value (x) = 11.57 and the bigger value (y) = 16.43.
3 0
3 years ago
The product of two numbers is 10 times the value of 9 and 8. which expression shows the two numbers?
IrinaVladis [17]
10x(8+9)
or
10x17

hope this helps 
6 0
3 years ago
The perimeter of a square is given as 12x plus 20 write two different expressions to represent its perimeter for one way factors
Reika [66]

Given: 12x +20

factor out a two: 2(6x +10)
factor out a four: 4(3x+5)
factor out 3/4: 3/4(9x +15)
factor out 1/2: 1/2(6x +10)

Hint: think of Multiples of 12 and 20

Hope this helps!
6 0
3 years ago
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