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3 years ago

How many miles can you drive with 13.2 gallons of gasoline

Mathematics

2 answers:

Sergio [31]3 years ago

6 0

286.44 I multiplied the numbers together

Sidana [21]3 years ago

5 0

This depends on how large your car is and how fast you drive.
Certain cars burn more gasoline than others. You also may burn more or less gasoline depending on your speed. Slower speeds burn less, whereas faster speeds burn more.

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Brianne solved a quadratic equation. Her work is shown below, with Step 2 missing.

Alja [10]

Given:

The given quadratic equation is

$3(x+4)^{2} = 48$

or, $(x+4)^{2} =16$

And

The roots are given: $x = -8 , x = 0$

To find the missing step.

Let us solve the equation.

$3(x+4)^{2} = 48$

or, $(x+4)^{2} = 16$

or, $x^{2} +8x+16 = 16$ [ eliminating 16 from both the side]

or, $x^{2} +8x = 0$

or, $x(x+8) = 0$

or, $x = 0, x = -8$

Hence,

The step 2 could be $x^{2} +8x = 0$

6 0

4 years ago

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Exponents represent repeated:

prisoha [69]

The answer is B. addition or multiplication

5 0

3 years ago

Let f(x)=4x+1 and g(x)3x+k find value of k if fog(x)=gof(x)

kogti [31]

Answer:

$\huge\boxed{k=\dfrac{2}{3}}$

Step-by-step explanation:

$f(x)=4x+1\\\\g(x)=3x+k\\\\(f\circ g)(x)=f\bigg(g(x)\bigg)=4(3x+k)+1=(4)(3x)+(4)(k)+1=12x+4k+1\\\\(g\circ f)(x)=g\bigg(f(x)\bigg)=3(4x+1)+k=(3)(4x)+(3)(1)+k=12x+3+k\\\\(f\circ g)(x)=(g\circ f)(x)\iff12x+4k+1=12x+3+k\qquad|\text{cancel}\ 12x\\\\4k+1=3+k\qquad|\text{subtract 1 from both sides}\\\\4k=2+k\qquad|\text{subtract}\ k\ \text{from both sides}\\\\3k=2\qquad|\text{divide both sides by 3}\\\\k=\dfrac{2}{3}$

5 0

3 years ago

A dog runs 9.5 mi in 0.5 h. The distance the dog travels varies directly with the amount of time it runs.

xenn [34]

We divide 9.5 / 0.5 to see how much it runs in 1 hour.

9.5 / 0.5 = 19

So it runs 19 miles in 1 hour.

Now we multiply 1.75 to 19 miles.

1.75 * 19 = 33.25

So he will run 33.25 miles in 1.75 hours.

3 0

3 years ago

Read 2 more answers

Can someone please help me I will mark u brilliant for both answers

Margarita [4]

Step-by-step explanation:

A
the question is wrong

7 0

3 years ago