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3 years ago

A car traveling 118 miles uses 4 gallons of gas. At the rate, how many gallons will it use traveling 227 miles?

Mathematics

1 answer:

sashaice [31]3 years ago

8 0

Answer:

b.7.69

Step-by-step explanation:

188/4=29.5

29.5 gal per mile

227/29.5=7.69

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Are these numbers rational or irrational? √10 (square root of 10) √16 (square root of 16) 52% 1.235 1. Rational 2. Irrational pl

77julia77 [94]

Step-by-step explanation:

any rational number can be expressed as a/b, with a and b being integer numbers, and b different to 0.

-7 = -7/1 rational

sqrt(10) irrational (because there is no rational number multiplied by itself that results in 10)

sqrt(16) = sqrt(4×4) = 4 = 4/1 rational

52% = 52/100 rational

1.235 = 1235/1000 rational

5 0

2 years ago

Solve the system.

gtnhenbr [62]

X = y + 11

2x + y = -2
2(y + 11) + y = -2
2y + 22 + y = -2
3y + 22 = -2
3y = -24
y = -8

x = y + 11
x = -8 + 11
x = 3

Solution set {3, -8} (C)

8 0

3 years ago

9m+5n+7m-2n? Find the sum

ANEK [815]

Answer:

16m + 3n

Step-by-step explanation:

Combine like terms.

This answer is correct.

Hope this helps!

~Courtney

4 0

3 years ago

Read 2 more answers

If f(1) = 2 – 2 anid 9(37)<br> and g(x) = x2 – 9, what is the domain of g(x) = f(x)?

lana66690 [7]

Answer:

Step-by-step explanation:

Let divide g(x) by f(x)

$\frac{ {x}^{2} - 9 }{2 - x {}^{ \frac{1}{2} } }$

The domain of a rational function cannot equal zero so let set the bottom function to zero.

$2 - x {}^{ \frac{1}{2} } = 0$

$x {}^{ \frac{1}{2} } = 2$

Square both sides

$x = 4$

Also we can simplify the bottom denomiator into a square root function

$2 - \sqrt{x}$

The domain of a square root function is all real number greater than or equal to zero because a square root of a negative number isn't graphable.

So we must find a answer that

Disincludes 4 from the interval
Doesnt range in the negative number or infinity)
Range out in positve infinity
The answer to that is B

8 0

3 years ago

8 is 2% of what number

bixtya [17]

The answer would be 16.
8+8=16

5 0

3 years ago

Read 2 more answers