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Arisa [49]
3 years ago
13

Help pls!!!! Pls explain how you got the answer if you can!!! Have a blessed day

Mathematics
1 answer:
Luden [163]3 years ago
6 0

Answer:

B. 0, 1, 2, 3

Step-by-step explanation:

If n were to be 4, the expression would then be incorrect because 36 is not greater than itself. However, if n was 0, 1, 2, or 3, each value would be less than 36, which is what we are looking for.

36 > 9n

36 > 9(0)

36 > 0

Correct!

36 > 9n

36 > 9(1)

36 > 9

Correct!

36 > 9n

36 > 9(2)

36 > 18

Correct!

36 > 9n

36 > 9(3)

36 > 27

Correct!

36 > 9n

36 > 9(4)

36 > 36

Incorrect! This expression would only be correct if the sign was representative of greater than or equal to, rather than just equal to.

I hope this made sense! Have an amazing day. :)

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Which is a valid proportion? <br> A. 3/4=21/28<br> B. 5/6=29/30<br> C.4/7=16/49<br> D.2/5=12/15
LiRa [457]
A valid proportion would be 3/4=21/28.

You would multiply both the 3 & 4 is 3/4 by 7 to get 21/28.

Hope this helps!
Can u plz mark me as brainliest? I really need it!
8 0
3 years ago
Read 2 more answers
Find mZ1 and mZ2 .<br><br> I cant figure it out
Ede4ka [16]

Answer:

∠ 1 = 110°, ∠ 2 = 70°

Step-by-step explanation:

∠ 1 and 110° are vertical angles and are congruent, thus

∠ 1 = 110°

∠ 1 and ∠ 2 are same- side interior angles and supplementary, sum to 180°

∠ 1 + ∠ 2 = 180°

110° + ∠ 2 = 180° ( subtract 110° from both sides )

∠ 2 = 70°

8 0
3 years ago
Cost 8.49 and 2 pounds
adelina 88 [10]
8.49 \2 = 4.245
So your answer would be 4.245
8 0
4 years ago
PLEAS PLEASE PLEASE HELP!!
jekas [21]

Using the given functions, it is found that:

  • Lower total cost at Jump-n-Play: 40, 64.
  • Lower total cost at Bounce house: 28, 8, 30.
  • Same total cost at both locations: 32.

<h3>What are the cost functions?</h3>

For n visits to Jump-n-play, the cost is:

J(n) = 189 + 3n.

For n visits to Bounce Word, the cost is:

B(n) = 125 + 5n.

Comparing them, we have that:

J(n) < B(n)

189 + 3n < 125 + 5n

64 < 2n

n > 32

Hence:

  • For less than 32 visits, the cost at Bounce World is lower.
  • For more than 32 visits, the cost at Jump-n-play is lower.

Hence:

  • Lower total cost at Jump-n-Play: 40, 64.
  • Lower total cost at Bounce house: 28, 8, 30.
  • Same total cost at both locations: 32.

More can be learned about functions at brainly.com/question/25537936

4 0
2 years ago
DRaw the graph of f (x) = 1/2 x² -2x where -2 &lt; x &lt; 4​
Flura [38]

Answer:

Graphs Attached Below

Step-by-step explanation:

Hello!

Standard form of a quadratic: ax^2 + bx + c= 0

From our Equation:

  • a = 1/2
  • b = -2
  • c = 0

There are several values that are needed to drawing a parabola:

  • y - intercept
  • Axis of Symmetry (AOS)
  • Vertex
  • x - intercepts

<h2>Y-intercept</h2>

Standard form of a quadratic: ax^2 + bx + c= 0

The y-intercept is the "c" value. Given that our equation has a "c" value of 0, the y -intercept is 0.

<h2>Axis of Symmetry</h2>

A parabola is always symmetrical vertically. The line in which the fold happens is the Axis of Symmetry.

To calculate the AOS, we use the formula AOS = \frac{-b}{2a}, from the values of the equation.

Calculate

  • AOS = \frac{-b}{2a}
  • AOS = \frac{-(-2)}{2(0.5)}
  • AOS = \frac{2}{1}
  • AOS = 2

The Axis of Symmetry is a vertical line, so the AOS is the line x = 2.

<h2>Vertex</h2>

The vertex is the highest or lowest point on the graph of a parabola. It resides on the AOS of the graph.

To calculate the vertex, we simply have to find the y-value, given that we have the x-value from the AOS. We can find the y-value by plugging in the AOS for x in the original equation.

Calculate

  • f(x) = \frac12x^2 - 2x
  • f(x) = \frac12 (2)^2 - 2(2)
  • f(x) = 2 - 4
  • f(x) = -2

The y-value is -2. The vertex is (2, -2).

<h2>X-intercepts</h2>

The x-intercepts are the points where the graph intersects the x-axis (y = 0).

Solve by Factoring

  • f(x) = \frac12 x^2 - 2x
  • 0 = \frac12x(x - 4)
  • x = 0, x = 4

The roots are (0,0) and (4,0).

<h2>Graph</h2>

Now we just draw the y-intercept, vertex, AOS, and the x-intercepts, and draw a curved line between them.

<em>Image Attached</em>

<h2>Domain Restrictions</h2>

The Domain (x-values) are being restricted to all x-values that are greater than or equal to -2 and less than 4.

That means we remove the parts of the line that don't belong in that domain.

<em>Image Attached</em>

3 0
2 years ago
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