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2 years ago

12

What is 64x6 + 27 written as a sum of cubes?

2 answers:

Dmitrij [34]2 years ago

9 0

Answer: (4x^2)^3+3^3

Step-by-step explanation:

nadezda [96]2 years ago

3 0

Answer:last one

Step-by-step explanation:

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A line with a slope -2 passes through the point (-1,4). Which equation represents this line in point-slope form?

sesenic [268]

9514 1404 393

Answer:

y-4 = -2(x+1)

Step-by-step explanation:

The point-slope equation of a line is ...

y -k = m(x -h) . . . . . line with slope m through point (h, k)

You have m = -2 and (h, k) = (-1, 4). Putting these numbers into the above form gives ...

y -4 = -2(x +1)

7 0

1 year ago

1. Renting a bicycle costs $30 for the first day and $10 for each additional day.a. Write an equation in simplified form to find

Reptile [31]

Part a: 30+10d That is your equation. 30 for the start and 10 more for each additional day.
Part b: So there are 4 additional days. Let's fill in the equation and solve.
30+10*4
30+40
$70
The answer is $70

4 0

2 years ago

Substitution method<br>6x-7y=5,3x+y=-1

uranmaximum [27]

Answer:

$x = - \frac{2}{27}$

$y = - \frac{4}{5}$

Step-by-step explanation:

Lets call

$6x - 7y = 5$

equation 1

$3x + y = - 1$

equation 2

using equation 2, we would make y the subject of the formula as it would be easier

$y = - 1 - 3x$

This would now be called our equation 3

Now the next step is to substitute equation 3 in equation 1

$6x - (7( - 1 - 3x)) = 5$

$6x - ( - 7 - 21x) = 5$

$6x + 7 + 21x = 5$

$27x = 5 - 7$

$27x = - 2$

Divide both sides by 27 $\frac{27x}{27} = - \frac{2}{27}$

$x = \frac{ - 2}{27}$

Substitute the value of x in equation 2

$3( \frac{ - 2}{27} ) + y = - 1$

$- \frac{ 2}{9} + y = - 1$

$y = - 1 + \frac{2}{9}$

$y = - \frac{ 8}{10}$

$y = - \frac{4}{5}$

6 0

1 year ago

What’s 1 + 1 and why?

MrRa [10]

Answer:

2

Step-by-step explanation:

you add 1 to 1 and that gives you 2

8 0

2 years ago

Read 2 more answers

Translate the sentence 1/4 of x is 6 =

vfiekz [6]

Hi there!

The answer is
$\frac{1}{4} \times x = 6$
$\frac{1}{4} x = 6$

Additional note:
To find the value of x, we only need to multiply both sides of the equation by 4

$\frac{1}{4} x \times 4= 6 \times 4$
$x = 24$

4 0

2 years ago

Read 2 more answers