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Nana76 [90]
3 years ago
9

The cube of the sum of a number and 8

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
7 0

Answer:

Step-by-step explanation:

Let the number by x

Sum of x and 8: x +8

(x + 8)³

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Can someone help me?
Kitty [74]

Answer:

see explanation

Step-by-step explanation:

Given the width is \frac{1}{3} of the length, then

y - 4 = \frac{1}{3}(2y + 6)

Multiply through by 3 to clear the fraction

3y - 12 = 2y + 6 ( subtract 2y from both sides )

y - 12 = 6 ( add 12 to both sides )

y = 18

Thus

length = 2y + 6 = 2(18) + 6 = 36 + 6 = 42 in

width = y - 4 = 18 - 4 = 14 in

6 0
3 years ago
I need help with this <br><br> 10 points <br><br> Pls pls pls someone come help me
Vikki [24]

Answer:

angle b is 62 degrees. This is because if we solve for x, by putting the 2 equations equal to each other(because they are vertical angles), than we figure out that x=6. Now plug that into angle b's equation, and you get 62 degrees.

Step-by-step explanation:

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3 years ago
HELPPP ASAP PLEASE 20 POINTS
MAXImum [283]

Answer:

i would go with D.

the intercecting point is closer to D than any other but you can decide.



6 0
3 years ago
A function f(x) is graphed on the coordinate plane.
Sidana [21]

Answer: y = - 4x + 2


Explanation:


The graph shows a linear function, which is a first degree polynomial, whose form is ax + b.


The rule or fucntion is f(x) = y = ax + b. This form is called the slope-intercept form, because the coefficient a is the slope of the line and b is the y-intercept.


The graph permits you to calculate both parameters.


1) The slope, a is defined in this way:

  • a = rise / run = [change in y] / [change in x] = [y₂ -y₁] / [x₂ - x₁]
  • you can use the points (0, - 2) and (-1,2):

       ⇒ a = [ 2 - (-2) ] / [ -1 - 0 ] = 4 / (-1) = - 4

2) b, the y-intercept, is the value of the function, y, when x = 0. In the graph you can see that this is - 2. b =  - 2.


3) Substituting the values of a and b in the form y = ax + b, you the rule:

  • y = - 4x - 2


8 0
3 years ago
Read 2 more answers
What is the reference angle for 7 pi/6?
Mademuasel [1]

Answer:

\frac{\pi }{6}

Step-by-step explanation:

\frac{7\pi }{6} is an angle in the third quadrant

To find the reference angle subtract π from it

reference angle = \frac{7\pi }{6} - π = \frac{\pi }{6}

3 0
3 years ago
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